EclipseLink Core 4.0.2 · org.eclipse.persistence.internal.identitymaps.AbstractIdentityMapEnumeration

Field Summary

Modifier and Type	Field and Description
protected final Iterator<CacheKey>	cacheKeysIterator `CacheKey` instances iterator.
protected CacheKey	nextKey Next key to be returned.
protected boolean	shouldCheckReadLocks Value of `true` if readLocks should be checked or false otherwise.

Constructor Summary

Access	Constructor and Description
protected	AbstractIdentityMapEnumeration(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` content enumeration.

Method Summary

Modifier and Type	Method and Description
private CacheKey	Returns: next `CacheKey` instance or `null` if there is no more instance to provide getNextCacheKey() Get next `CacheKey` instance from iterator.
protected CacheKey	Returns: the next element of this enumeration getNextElement() Get next element of `CacheKey` instances enumeration if this enumeration object has at least one more element to provide.
public boolean	Returns: value of `true` if this enumeration object contains at least one more element to provide or `false` otherwise hasMoreElements() Implements java.util.Enumeration.hasMoreElements. Check whether this enumeration contains more elements.
public abstract T	Returns: the next element of this enumeration nextElement() Redeclares java.util.Enumeration.nextElement. Get next element of `CacheKey` content enumeration if this enumeration object has at least one more element to provide.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

cacheKeysIterator	back to summary
protected final Iterator<CacheKey> cacheKeysIterator `CacheKey` instances iterator.

nextKey	back to summary
protected CacheKey nextKey Next key to be returned.

shouldCheckReadLocks	back to summary
protected boolean shouldCheckReadLocks Value of `true` if readLocks should be checked or false otherwise.

Constructor Detail

AbstractIdentityMapEnumeration back to summary

AbstractIdentityMapEnumeration	back to summary
protected AbstractIdentityMapEnumeration(Collection<CacheKey> keys, boolean shouldCheckReadLocks) Creates an instance of `CacheKey` content 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

protected AbstractIdentityMapEnumeration(Collection<CacheKey> keys, boolean shouldCheckReadLocks)

Creates an instance of CacheKey content 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

getNextCacheKey back to summary

getNextCacheKey	back to summary
private CacheKey getNextCacheKey() Get next `CacheKey` instance from iterator. Returns:CacheKey next `CacheKey` instance or `null` if there is no more instance to provide

private CacheKey getNextCacheKey()

Get next CacheKey instance from iterator.

Returns:CacheKey: next CacheKey instance or null if there is no more instance to provide

getNextElement back to summary

getNextElement	back to summary
protected CacheKey getNextElement() Get next element of `CacheKey` instances enumeration if this enumeration object has at least one more element to provide. Returns:CacheKey the next element of this enumeration Exceptions NoSuchElementException: if no more elements exist

protected CacheKey getNextElement()

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

Returns:CacheKey

the next element of this enumeration

Exceptions

NoSuchElementException:: if no more elements exist

hasMoreElements back to summary

hasMoreElements	back to summary
public boolean hasMoreElements() Implements java.util.Enumeration.hasMoreElements. Check whether this enumeration contains more elements. Returns:boolean value of `true` if this enumeration object contains at least one more element to provide or `false` otherwise Annotations @Override

public boolean hasMoreElements()

Implements java.util.Enumeration.hasMoreElements.

Check whether this enumeration contains more elements.

Returns:boolean

value of true if this enumeration object contains at least one more element to provide or false otherwise

Annotations

@Override

nextElement back to summary

nextElement	back to summary
public abstract T nextElement() Redeclares java.util.Enumeration.nextElement. Get next element of `CacheKey` content enumeration if this enumeration object has at least one more element to provide. It it expected that this method will be implemented using `getNextElement()` in child classes. Returns:T the next element of this enumeration Annotations @Override Exceptions NoSuchElementException: if no more elements exist

public abstract T nextElement()

Redeclares java.util.Enumeration.nextElement.

Get next element of CacheKey content enumeration if this enumeration object has at least one more element to provide. It it expected that this method will be implemented using getNextElement() in child classes.

Returns:T