IdentityMapEnumeration

java.lang.Object
- org.eclipse.persistence.internal.identitymaps.AbstractIdentityMapEnumeration<java.lang.Object>
- - org.eclipse.persistence.internal.identitymaps.IdentityMapEnumeration

All Implemented Interfaces:

java.util.Enumeration<java.lang.Object>
```
public class IdentityMapEnumeration
extends AbstractIdentityMapEnumeration<java.lang.Object>
```
Allows to iterate over Object instances stored in CacheKey instances in the IdentityMap.

Field Summary
- Fields inherited from class org.eclipse.persistence.internal.identitymaps.AbstractIdentityMapEnumeration
  cacheKeysIterator, nextKey, shouldCheckReadLocks

Constructor Summary

Constructors
Constructor Description

IdentityMapEnumeration(java.util.Collection<CacheKey> keys)
Creates an instance of CacheKey instances enumeration.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.lang.Object`	`nextElement()`	Get next `CacheKey.getObject()` element of `CacheKey` enumeration if this enumeration object has at least one more element to provide.

Methods inherited from class org.eclipse.persistence.internal.identitymaps.AbstractIdentityMapEnumeration
getNextElement, hasMoreElements

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Enumeration
asIterator

- Constructor Detail
  - IdentityMapEnumeration
```
public IdentityMapEnumeration(java.util.Collection<CacheKey> keys)
```
    Creates an instance of CacheKey instances enumeration. Checking of read lock on the CacheKey instances is turned on.
    
    Parameters:
    
    keys - Collection of CacheKey instances to be iterated
- Method Detail
  - nextElement
```
public java.lang.Object nextElement()
```
    Get next CacheKey.getObject() element of CacheKey enumeration if this enumeration object has at least one more element to provide.
    
    Specified by:
    
    nextElement in interface java.util.Enumeration<java.lang.Object>
    
    Specified by:
    
    nextElement in class AbstractIdentityMapEnumeration<java.lang.Object>
    
    Returns:
    
    the next CacheKey.getObject() element of this enumeration
    
    Throws:
    
    java.util.NoSuchElementException - if no more elements exist