### YamlMime:JavaType
uid: "com.azure.core.util.ReferenceManager"
fullName: "com.azure.core.util.ReferenceManager"
name: "ReferenceManager"
nameWithType: "ReferenceManager"
summary: "This interface represents managing references to <xref uid=\"java.lang.Object\" data-throw-if-not-resolved=\"false\" data-raw-source=\"Objects\"></xref> and providing the ability to run a cleaning operation once the object is no longer able to be reference."
syntax: "public interface ReferenceManager"
fields:
- uid: "com.azure.core.util.ReferenceManager.INSTANCE"
  fullName: "com.azure.core.util.ReferenceManager.INSTANCE"
  name: "INSTANCE"
  nameWithType: "ReferenceManager.INSTANCE"
  summary: "The global instance of <xref uid=\"com.azure.core.util.ReferenceManager\" data-throw-if-not-resolved=\"false\" data-raw-source=\"ReferenceManager\"></xref> that should be used to maintain object references."
  modifiers:
  - "static"
  - "final"
  field:
    type: "<xref href=\"com.azure.core.util.ReferenceManager?alt=com.azure.core.util.ReferenceManager&text=ReferenceManager\" data-throw-if-not-resolved=\"False\" />"
  syntax: "public static final ReferenceManager INSTANCE"
  desc: "The global instance of <xref uid=\"com.azure.core.util.ReferenceManager\" data-throw-if-not-resolved=\"false\" data-raw-source=\"ReferenceManager\"></xref> that should be used to maintain object references."
methods:
- uid: "com.azure.core.util.ReferenceManager.register(java.lang.Object,java.lang.Runnable)"
  fullName: "com.azure.core.util.ReferenceManager.register(Object object, Runnable cleanupAction)"
  name: "register(Object object, Runnable cleanupAction)"
  nameWithType: "ReferenceManager.register(Object object, Runnable cleanupAction)"
  summary: "Registers the `object` and the cleaning action to run once the object becomes phantom reachable."
  modifiers:
  - "abstract"
  parameters:
  - description: "The object to monitor."
    name: "object"
    type: "<a href=\"https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html\">Object</a>"
  - description: "The cleanup action to perform when the <code>object</code> becomes phantom reachable."
    name: "cleanupAction"
    type: "<a href=\"https://docs.oracle.com/javase/8/docs/api/java/lang/Runnable.html\">Runnable</a>"
  syntax: "public abstract void register(Object object, Runnable cleanupAction)"
  desc: "Registers the `object` and the cleaning action to run once the object becomes phantom reachable.\n\nThe `cleanupAction` cannot have a reference to the `object`, otherwise the object will never be able to become phantom reachable.\n\nExceptions thrown by `cleanupAction` are ignored."
type: "interface"
desc: "This interface represents managing references to <xref uid=\"java.lang.Object\" data-throw-if-not-resolved=\"false\" data-raw-source=\"Objects\"></xref> and providing the ability to run a cleaning operation once the object is no longer able to be reference.\n\nExpected usage of this is through <xref uid=\"com.azure.core.util.ReferenceManager.INSTANCE\" data-throw-if-not-resolved=\"false\" data-raw-source=\"ReferenceManager#INSTANCE\"></xref>."
metadata: {}
package: "com.azure.core.util"
artifact: com.azure:azure-core:1.32.0