Top Description Fields Constructors Methods
org.eclipse.persistence.internal.identitymaps

public Class IdentityMapKeyEnumeration

extends AbstractIdentityMapEnumeration<CacheKey>
Class Inheritance
Imports
java.util.*
Allows to iterate over CacheKey instances stored in the IdentityMap.

Field Summary

Inherited from org.eclipse.persistence.internal.identitymaps.AbstractIdentityMapEnumeration:
cacheKeysIteratornextKeyshouldCheckReadLocks

Constructor Summary

AccessConstructor and Description
public
IdentityMapKeyEnumeration(Collection<CacheKey>
Collection of CacheKey instances to be iterated
keys)

Creates an instance of CacheKey instances enumeration.

public
IdentityMapKeyEnumeration(Collection<CacheKey>
Collection of CacheKey instances to be iterated
keys, boolean
value of true if read lock on the CacheKey instances should be checked or false otherwise
shouldCheckReadLocks)

Creates an instance of CacheKey instances enumeration.

Method Summary

Modifier and TypeMethod and Description
public CacheKey

Returns:

the next element of this enumeration
nextElement()

Implements abstract org.eclipse.persistence.internal.identitymaps.AbstractIdentityMapEnumeration.nextElement.

Implements java.util.Enumeration.nextElement.

Get next element of CacheKey enumeration if this enumeration object has at least one more element to provide.
Inherited from org.eclipse.persistence.internal.identitymaps.AbstractIdentityMapEnumeration:
getNextElementhasMoreElements

Constructor Detail

IdentityMapKeyEnumerationback to summary
public IdentityMapKeyEnumeration(Collection<CacheKey> keys)

Creates an instance of CacheKey instances enumeration. Checking of read lock on the CacheKey instances is turned on.

Parameters
keys:Collection<CacheKey>

Collection of CacheKey instances to be iterated

IdentityMapKeyEnumerationback to summary
public IdentityMapKeyEnumeration(Collection<CacheKey> keys, boolean shouldCheckReadLocks)

Creates an instance of CacheKey instances enumeration.

Parameters
keys:Collection<CacheKey>

Collection of CacheKey instances to be iterated

shouldCheckReadLocks:boolean

value of true if read lock on the CacheKey instances should be checked or false otherwise

Method Detail

nextElementback to summary
public CacheKey nextElement()

Implements abstract org.eclipse.persistence.internal.identitymaps.AbstractIdentityMapEnumeration.nextElement.

Implements java.util.Enumeration.nextElement.

Get next element of CacheKey enumeration if this enumeration object has at least one more element to provide.

Returns:CacheKey

the next element of this enumeration

Annotations
@Override
Exceptions
NoSuchElementException:
if no more elements exist