Refactor EventHubClientFactory to return functional creator
This commit is contained in:
Warren Zhu
Родитель
e2538d16c4
Коммит
ade99e09c4
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@ -12,11 +12,23 @@ public class Tuple<T, U> {
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private final T first;
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private final U second;
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public Tuple(T first, U second) {
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private Tuple(T first, U second) {
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this.first = first;
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this.second = second;
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}
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public static <T, U> Tuple<T, U> of(T first, U second) {
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return new Tuple(first, second);
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}
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public T getFirst() {
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return first;
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}
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public U getSecond() {
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return second;
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}
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@Override
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public boolean equals(Object o) {
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if (this == o) {
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@ -13,8 +13,10 @@ import com.microsoft.azure.eventhubs.PartitionSender;
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import com.microsoft.azure.eventprocessorhost.EventProcessorHost;
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import com.microsoft.azure.management.eventhub.AuthorizationRule;
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import com.microsoft.azure.management.eventhub.EventHubAuthorizationKey;
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import com.microsoft.azure.management.eventhub.EventHubNamespace;
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import com.microsoft.azure.spring.cloud.context.core.AzureAdmin;
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import com.microsoft.azure.spring.cloud.context.core.AzureUtil;
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import com.microsoft.azure.spring.integration.core.Memoizer;
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import com.microsoft.azure.spring.integration.core.Tuple;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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@ -22,10 +24,11 @@ import org.springframework.beans.factory.DisposableBean;
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import org.springframework.util.Assert;
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import java.io.IOException;
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import java.util.Map;
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import java.util.concurrent.CompletableFuture;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.concurrent.Executors;
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import java.util.stream.Stream;
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import java.util.function.Function;
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/**
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* Default implementation of {@link EventHubClientFactory}.
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@ -34,22 +37,17 @@ import java.util.stream.Stream;
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*/
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public class DefaultEventHubClientFactory implements EventHubClientFactory, DisposableBean {
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private static final Log LOGGER = LogFactory.getLog(DefaultEventHubClientFactory.class);
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// eventHubName -> eventHubClient
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private final ConcurrentHashMap<String, EventHubClient> clientMap = new ConcurrentHashMap<>();
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// eventHubName -> connectionString
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private final ConcurrentHashMap<String, String> connectionStringMap = new ConcurrentHashMap<>();
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private final Map<String, EventHubClient> clientsByName = new ConcurrentHashMap<>();
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// (eventHubName, partitionId) -> partitionSender
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private final ConcurrentHashMap<Tuple<String, String>, PartitionSender> partitionSenderMap =
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new ConcurrentHashMap<>();
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// (eventHubClient, partitionId) -> partitionSender
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private final Map<Tuple<EventHubClient, String>, PartitionSender> partitionSenderMap = new ConcurrentHashMap<>();
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// (eventHubName, consumerGroup) -> eventProcessorHost
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private final ConcurrentHashMap<Tuple<String, String>, EventProcessorHost> processorHostMap =
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new ConcurrentHashMap<>();
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private final Map<Tuple<String, String>, EventProcessorHost> processorHostMap = new ConcurrentHashMap<>();
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private final AzureAdmin azureAdmin;
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private final String namespace;
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private final EventHubNamespace namespace;
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private String checkpointStorageAccountContainer;
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private String checkpointStorageConnectionString;
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@ -57,7 +55,7 @@ public class DefaultEventHubClientFactory implements EventHubClientFactory, Disp
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Assert.notNull(azureAdmin, "azureAdmin can't be null.");
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Assert.hasText(namespace, "namespace can't be null or empty");
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this.azureAdmin = azureAdmin;
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this.namespace = namespace;
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this.namespace = azureAdmin.getOrCreateEventHubNamespace(namespace);
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}
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public void initCheckpointConnectionString(String checkpointStorageAccount) {
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@ -71,62 +69,72 @@ public class DefaultEventHubClientFactory implements EventHubClientFactory, Disp
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this.checkpointStorageAccountContainer = checkpointStorageAccountContainer;
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}
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@Override
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public EventHubClient getOrCreateEventHubClient(String eventHubName) {
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return this.clientMap.computeIfAbsent(eventHubName, key -> {
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try {
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return EventHubClient
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.createSync(getOrCreateConnectionString(eventHubName), Executors.newSingleThreadExecutor());
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} catch (EventHubException | IOException e) {
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throw new EventHubRuntimeException("Error when creating event hub client", e);
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}
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});
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@Override
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public Function<String, EventHubClient> getEventHubClientCreator() {
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return Memoizer.memoize(clientsByName, this::createEventHubClient);
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}
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@Override
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public PartitionSender getOrCreatePartitionSender(String eventHubName, String partitionId) {
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return this.partitionSenderMap.computeIfAbsent(new Tuple(eventHubName, partitionId), key -> {
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try {
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return getOrCreateEventHubClient(eventHubName).createPartitionSenderSync(partitionId);
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} catch (EventHubException e) {
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throw new EventHubRuntimeException("Error when creating event hub partition sender", e);
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}
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});
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public Function<Tuple<EventHubClient, String>, PartitionSender> getPartitionSenderCreator() {
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return Memoizer.memoize(partitionSenderMap, this::createPartitionSender);
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}
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@Override
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public EventProcessorHost getOrCreateEventProcessorHost(String eventHubName, String consumerGroup) {
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return this.processorHostMap.computeIfAbsent(new Tuple(eventHubName, consumerGroup),
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key -> new EventProcessorHost(EventProcessorHost.createHostName("hostNamePrefix"), eventHubName,
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consumerGroup, getOrCreateConnectionString(eventHubName), checkpointStorageConnectionString,
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checkpointStorageAccountContainer));
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public Function<Tuple<String, String>, EventProcessorHost> getProcessorHostCreator() {
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return Memoizer.memoize(processorHostMap, this::createEventProcessorHost);
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}
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private String getOrCreateConnectionString(String eventHubName) {
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private EventHubClient createEventHubClient(String eventHubName) {
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try {
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return EventHubClient
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.createSync(connectionStringCreator().apply(eventHubName), Executors.newSingleThreadExecutor());
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} catch (EventHubException | IOException e) {
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throw new EventHubRuntimeException("Error when creating event hub client", e);
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}
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}
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return this.connectionStringMap.computeIfAbsent(eventHubName,
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name -> azureAdmin.getOrCreateEventHubNamespace(namespace).listAuthorizationRules().stream().findFirst()
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.map(AuthorizationRule::getKeys)
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.map(EventHubAuthorizationKey::primaryConnectionString)
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.map(s -> new ConnectionStringBuilder(s).setEventHubName(name).toString())
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.orElseThrow(() -> new EventHubRuntimeException(
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String.format("Failed to fetch connection string of '%s'", eventHubName),
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null)));
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private PartitionSender createPartitionSender(Tuple<EventHubClient, String> clientAndPartitionId) {
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try {
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return clientAndPartitionId.getFirst().createPartitionSenderSync(clientAndPartitionId.getSecond());
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} catch (EventHubException e) {
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throw new EventHubRuntimeException("Error when creating event hub partition sender", e);
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}
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}
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private EventProcessorHost createEventProcessorHost(Tuple<String, String> nameAndConsumerGroup) {
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return new EventProcessorHost(EventProcessorHost.createHostName("hostNamePrefix"),
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nameAndConsumerGroup.getFirst(), nameAndConsumerGroup.getSecond(),
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connectionStringCreator().apply(nameAndConsumerGroup.getFirst()), checkpointStorageConnectionString,
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checkpointStorageAccountContainer);
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}
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private Function<String, String> connectionStringCreator() {
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return Memoizer.memoize(this::getConnectionString);
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}
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private String getConnectionString(String eventHubName) {
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return namespace.listAuthorizationRules().stream().findFirst().map(AuthorizationRule::getKeys)
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.map(EventHubAuthorizationKey::primaryConnectionString)
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.map(s -> new ConnectionStringBuilder(s).setEventHubName(eventHubName).toString()).orElseThrow(
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() -> new RuntimeException(
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String.format("Failed to fetch connection string of '%s'", eventHubName), null));
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}
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private <K, V> void close(Map<K, V> map, Function<V, CompletableFuture<Void>> close) {
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CompletableFuture.allOf(map.values().stream().map(close).toArray(CompletableFuture[]::new))
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.exceptionally((ex) -> {
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LOGGER.warn("Failed to clean event hub client factory", ex);
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return null;
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});
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}
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@Override
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public void destroy() throws Exception {
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Stream<CompletableFuture<Void>> closeClientFutures = clientMap.values().stream().map(EventHubClient::close);
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Stream<CompletableFuture<Void>> closeSenderFutures =
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partitionSenderMap.values().stream().map(PartitionSender::close);
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Stream<CompletableFuture<Void>> closeProcessorFutures =
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processorHostMap.values().stream().map(EventProcessorHost::unregisterEventProcessor);
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CompletableFuture.allOf(Stream.of(closeClientFutures, closeSenderFutures, closeProcessorFutures)
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.toArray(CompletableFuture[]::new)).exceptionally((ex) -> {
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LOGGER.warn("Failed to clean event hub client factory", ex);
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return null;
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});
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close(clientsByName, EventHubClient::close);
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close(partitionSenderMap, PartitionSender::close);
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close(processorHostMap, EventProcessorHost::unregisterEventProcessor);
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}
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}
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@ -9,15 +9,28 @@ package com.microsoft.azure.spring.integration.eventhub;
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import com.microsoft.azure.eventhubs.EventHubClient;
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import com.microsoft.azure.eventhubs.PartitionSender;
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import com.microsoft.azure.eventprocessorhost.EventProcessorHost;
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import com.microsoft.azure.spring.integration.core.Tuple;
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import java.util.function.Function;
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/**
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* @author Warren Zhu
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*/
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public interface EventHubClientFactory {
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EventHubClient getOrCreateEventHubClient(String eventHubName);
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/**
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* Return a function which accepts event hub name, then returns {@link EventHubClient}
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*/
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Function<String, EventHubClient> getEventHubClientCreator();
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PartitionSender getOrCreatePartitionSender(String eventHubName, String partitionId);
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/**
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* Return a function which accepts {@link EventHubClient} and partition id, then returns {@link PartitionSender}
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*/
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Function<Tuple<EventHubClient, String>, PartitionSender> getPartitionSenderCreator();
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/**
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* Return a function which accepts event hub name and consumer group, then returns {@link EventProcessorHost}
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*/
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Function<Tuple<String, String>, EventProcessorHost> getProcessorHostCreator();
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EventProcessorHost getOrCreateEventProcessorHost(String eventHubName, String consumerGroup);
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}
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@ -31,7 +31,7 @@ import java.util.function.Consumer;
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* Default implementation of {@link EventHubOperation}.
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*
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* <p>
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* The main eventhub component for sending to and consuming from event hub
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* The main event hub component for sending to and consuming from event hub
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*
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* @author Warren Zhu
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*/
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@ -57,12 +57,13 @@ public class EventHubTemplate implements EventHubOperation {
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Assert.hasText(eventHubName, "eventHubName can't be null or empty");
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Assert.notNull(message, "message can't be null");
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try {
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EventHubClient client = this.clientFactory.getOrCreateEventHubClient(eventHubName);
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EventHubClient client = this.clientFactory.getEventHubClientCreator().apply(eventHubName);
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if (partitionSupplier == null) {
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return client.send(message);
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} else if (!Strings.isNullOrEmpty(partitionSupplier.getPartitionId())) {
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return this.clientFactory.getOrCreatePartitionSender(eventHubName, partitionSupplier.getPartitionId())
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return this.clientFactory.getPartitionSenderCreator().apply(Tuple.of(client, partitionSupplier
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.getPartitionId()))
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.send(message);
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} else if (!Strings.isNullOrEmpty(partitionSupplier.getPartitionKey())) {
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return client.send(message, partitionSupplier.getPartitionKey());
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@ -79,13 +80,13 @@ public class EventHubTemplate implements EventHubOperation {
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@Override
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public Checkpointer<EventData> getCheckpointer(String destination, String consumerGroup) {
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return checkpointersByNameAndConsumerGroup.get(new Tuple<>(destination, consumerGroup));
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return checkpointersByNameAndConsumerGroup.get(Tuple.of(destination, consumerGroup));
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}
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@Override
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public synchronized boolean subscribe(String destination, Consumer<Iterable<EventData>> consumer,
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String consumerGroup) {
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Tuple<String, String> nameAndConsumerGroup = new Tuple<>(destination, consumerGroup);
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Tuple<String, String> nameAndConsumerGroup = Tuple.of(destination, consumerGroup);
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consumersByNameAndConsumerGroup.putIfAbsent(nameAndConsumerGroup, new CopyOnWriteArraySet<>());
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boolean added = consumersByNameAndConsumerGroup.get(nameAndConsumerGroup).add(consumer);
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@ -94,14 +95,15 @@ public class EventHubTemplate implements EventHubOperation {
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}
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processorHostsByNameAndConsumerGroup.computeIfAbsent(nameAndConsumerGroup, key -> {
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EventProcessorHost host = this.clientFactory.getOrCreateEventProcessorHost(destination, consumerGroup);
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EventProcessorHost host = this.clientFactory.getProcessorHostCreator().apply(Tuple.of(destination,
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consumerGroup));
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host.registerEventProcessorFactory(context -> new IEventProcessor() {
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@Override
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public void onOpen(PartitionContext context) throws Exception {
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LOGGER.info(String.format("Partition %s is opening", context.getPartitionId()));
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checkpointersByNameAndConsumerGroup.putIfAbsent(nameAndConsumerGroup, new EventHubCheckpointer());
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checkpointersByNameAndConsumerGroup.get(new Tuple<>(destination, consumerGroup))
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checkpointersByNameAndConsumerGroup.get(Tuple.of(destination, consumerGroup))
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.addPartitionContext(context);
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}
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@ -109,7 +111,7 @@ public class EventHubTemplate implements EventHubOperation {
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public void onClose(PartitionContext context, CloseReason reason) throws Exception {
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LOGGER.info(
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String.format("Partition %s is closing for reason %s", context.getPartitionId(), reason));
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checkpointersByNameAndConsumerGroup.get(new Tuple<>(destination, consumerGroup))
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checkpointersByNameAndConsumerGroup.get(Tuple.of(destination, consumerGroup))
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.removePartitionContext(context);
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}
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@ -132,7 +134,7 @@ public class EventHubTemplate implements EventHubOperation {
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@Override
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public synchronized boolean unsubscribe(String destination, Consumer<Iterable<EventData>> consumer,
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String consumerGroup) {
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Tuple<String, String> nameAndConsumerGroup = new Tuple<>(destination, consumerGroup);
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Tuple<String, String> nameAndConsumerGroup = Tuple.of(destination, consumerGroup);
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boolean existed = consumersByNameAndConsumerGroup.get(nameAndConsumerGroup).remove(consumer);
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if (consumersByNameAndConsumerGroup.get(nameAndConsumerGroup).isEmpty()) {
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processorHostsByNameAndConsumerGroup.remove(nameAndConsumerGroup).unregisterEventProcessor();
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@ -1,119 +0,0 @@
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/*
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See LICENSE in the project root for
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* license information.
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*/
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package com.microsoft.azure.spring.integration.core;
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import com.microsoft.azure.eventhubs.EventHubClient;
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import com.microsoft.azure.eventhubs.PartitionSender;
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import com.microsoft.azure.eventprocessorhost.EventProcessorHost;
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import com.microsoft.azure.management.eventhub.EventHub;
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import com.microsoft.azure.management.eventhub.EventHubNamespace;
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import com.microsoft.azure.spring.cloud.context.core.AzureAdmin;
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import com.microsoft.azure.spring.integration.eventhub.DefaultEventHubClientFactory;
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import com.microsoft.azure.spring.integration.eventhub.EventHubClientFactory;
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import org.junit.Before;
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import org.junit.Ignore;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.mockito.Mock;
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import org.powermock.api.mockito.PowerMockito;
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import org.powermock.core.classloader.annotations.PrepareForTest;
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import org.powermock.modules.junit4.PowerMockRunner;
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import java.util.concurrent.Executor;
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import static org.junit.Assert.assertEquals;
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import static org.mockito.ArgumentMatchers.eq;
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import static org.mockito.ArgumentMatchers.isA;
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import static org.mockito.Mockito.when;
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import static org.powermock.api.mockito.PowerMockito.whenNew;
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@RunWith(PowerMockRunner.class)
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@PrepareForTest(EventHubClient.class)
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public class DefaultEventHubClientFactoryTest {
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@Mock
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private AzureAdmin azureAdmin;
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@Mock
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private EventHubNamespace eventHubNamespace;
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@Mock
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private EventHubClient eventHubClient;
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@Mock
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private PartitionSender partitionSender;
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@Mock
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private EventProcessorHost processorHost;
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@Mock
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private EventHub eventHub;
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private EventHubClientFactory factory;
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private String namespace = "namespace";
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private String eventHubName = "eventHub";
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private String consumerGroup = "group";
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private String partitionId = "1";
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@Before
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public void setUp() throws Exception {
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this.factory = new DefaultEventHubClientFactory(azureAdmin, namespace);
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when(azureAdmin.getOrCreateEventHubNamespace(eq(namespace))).thenReturn(eventHubNamespace);
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when(azureAdmin.getOrCreateEventHub(eq(namespace), eq(eventHubName))).thenReturn(eventHub);
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when(eventHubClient.getEventHubName()).thenReturn(eventHubName);
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when(partitionSender.getPartitionId()).thenReturn(partitionId);
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PowerMockito.mockStatic(EventHubClient.class);
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when(EventHubClient.createSync(isA(String.class), isA(Executor.class))).thenReturn(eventHubClient);
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when(eventHubClient.createPartitionSenderSync(eq(partitionId))).thenReturn(partitionSender);
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whenNew(EventProcessorHost.class).withAnyArguments().thenReturn(processorHost);
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}
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@Test
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@Ignore
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public void testGetClient() {
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EventHubClient client = factory.getOrCreateEventHubClient(eventHubName);
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assertEquals(eventHubName, client.getEventHubName());
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EventHubClient same = factory.getOrCreateEventHubClient(eventHubName);
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assertEquals(same, client);
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}
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@Test
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@Ignore
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public void testGetSender() {
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PartitionSender sender = factory.getOrCreatePartitionSender(eventHubName, partitionId);
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assertEquals(partitionId, sender.getPartitionId());
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PartitionSender same = factory.getOrCreatePartitionSender(eventHubName, partitionId);
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assertEquals(same, sender);
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}
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@Test
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@Ignore
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public void testGetEventProcessorHost() {
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EventProcessorHost host = factory.getOrCreateEventProcessorHost(eventHubName, consumerGroup);
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EventProcessorHost same = factory.getOrCreateEventProcessorHost(eventHubName, consumerGroup);
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assertEquals(host, same);
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}
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@Test(expected = IllegalArgumentException.class)
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||||
public void testNewDefaultPublisherFactory_nullProjectIdProvider() {
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new DefaultEventHubClientFactory(null,
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namespace);
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}
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@Test(expected = IllegalArgumentException.class)
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||||
public void testNewDefaultPublisherFactory_nullProjectId() {
|
||||
new DefaultEventHubClientFactory(azureAdmin, null);
|
||||
}
|
||||
}
|
||||
|
|
@ -58,17 +58,15 @@ public class EventHubTemplateTest {
|
|||
public void setUp() {
|
||||
this.eventHubTemplate = new EventHubTemplate(this.mockClientFactory);
|
||||
|
||||
when(this.mockClientFactory.getOrCreateEventHubClient(eventHubName)).thenReturn(this.mockClient);
|
||||
when(this.mockClientFactory.getEventHubClientCreator()).thenReturn(s -> this.mockClient);
|
||||
when(this.mockClient.send(isA(EventData.class))).thenReturn(this.future);
|
||||
when(this.mockClient.send(isA(EventData.class), eq(partitionKey))).thenReturn(this.future);
|
||||
|
||||
when(this.mockClientFactory.getOrCreatePartitionSender(eq(eventHubName), isA(String.class)))
|
||||
.thenReturn(this.mockSender);
|
||||
when(this.mockClientFactory.getPartitionSenderCreator()).thenReturn(t -> this.mockSender);
|
||||
when(this.mockSender.send(isA(EventData.class))).thenReturn(this.future);
|
||||
when(this.mockClientFactory.getOrCreateEventProcessorHost(eq(eventHubName), eq(consumerGroup))).thenReturn
|
||||
(this.host);
|
||||
when(this.host.registerEventProcessorFactory(isA(IEventProcessorFactory.class
|
||||
))).thenReturn(new CompletableFuture<>());
|
||||
when(this.mockClientFactory.getProcessorHostCreator()).thenReturn(t -> this.host);
|
||||
when(this.host.registerEventProcessorFactory(isA(IEventProcessorFactory.class)))
|
||||
.thenReturn(new CompletableFuture<>());
|
||||
}
|
||||
|
||||
@Test
|
||||
|
|
@ -99,7 +97,7 @@ public class EventHubTemplateTest {
|
|||
|
||||
assertEquals(null, future.get());
|
||||
verify(this.mockSender, times(1)).send(isA(EventData.class));
|
||||
verify(this.mockClientFactory, times(1)).getOrCreatePartitionSender(eq(eventHubName), eq(partitionId));
|
||||
verify(this.mockClientFactory, times(1)).getPartitionSenderCreator();
|
||||
}
|
||||
|
||||
@Test
|
||||
|
|
@ -111,13 +109,14 @@ public class EventHubTemplateTest {
|
|||
|
||||
assertEquals(null, future.get());
|
||||
verify(this.mockClient, times(1)).send(isA(EventData.class), eq(partitionKey));
|
||||
verify(this.mockClientFactory, times(1)).getOrCreateEventHubClient(eq(eventHubName));
|
||||
verify(this.mockClientFactory, times(1)).getEventHubClientCreator();
|
||||
}
|
||||
|
||||
@Test(expected = EventHubRuntimeException.class)
|
||||
public void testSendCreateSenderFailure() throws Throwable {
|
||||
when(this.mockClientFactory.getOrCreateEventHubClient(eventHubName))
|
||||
.thenThrow(new EventHubRuntimeException("couldn't create the event hub client."));
|
||||
when(this.mockClientFactory.getEventHubClientCreator()).thenReturn((s) -> {
|
||||
throw new EventHubRuntimeException("couldn't create the event hub client.");
|
||||
});
|
||||
|
||||
try {
|
||||
this.eventHubTemplate.sendAsync(eventHubName, this.message, null).get();
|
||||
|
|
@ -145,8 +144,9 @@ public class EventHubTemplateTest {
|
|||
public void testSubscribe() {
|
||||
this.eventHubTemplate.subscribe(eventHubName, this::handleMessage, consumerGroup);
|
||||
|
||||
verify(this.mockClientFactory, times(1)).getOrCreateEventProcessorHost(eq(eventHubName), eq(consumerGroup));
|
||||
verify(this.mockClientFactory, times(1)).getProcessorHostCreator();
|
||||
}
|
||||
|
||||
private void handleMessage(Iterable<EventData> events){}
|
||||
private void handleMessage(Iterable<EventData> events) {
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Загрузка…
Ссылка в новой задаче