EclipseLink Core 4.0.2 · org.eclipse.persistence.indirection.IndirectMap

Modifier and Type	Field and Description
private transient String	attributeName The mapping attribute name, used to raise change events.
private transient PropertyChangeListener	changeListener Change tracking listener.
protected volatile Hashtable<K, V>	delegate Reduce type casting
protected int	initialCapacity Store initial size for lazy init.
protected float	loadFactor Hides java.util.Hashtable.loadFactor. Store load factor for lazy init.
protected volatile ValueHolderInterface<Map<K, V>>	valueHolder Delegate indirection behavior to a value holder

Access	Constructor and Description
public	IndirectMap() PUBLIC: Construct a new, empty IndirectMap with a default capacity and load factor.
public	IndirectMap(int the initial capacity of the hashtable initialCapacity) PUBLIC: Construct a new, empty IndirectMap with the specified initial capacity and default load factor.
public	IndirectMap(int the initial capacity of the hashtable initialCapacity, float a number between 0.0 and 1.0 loadFactor) PUBLIC: Construct a new, empty IndirectMap with the specified initial capacity and load factor.
public	IndirectMap(Map<? extends K, ? extends V> a map containing the mappings to use m) PUBLIC: Construct a new IndirectMap with the same mappings as the given Map.

Method Summary

Modifier and Type	Method and Description
public PropertyChangeListener	_persistence_getPropertyChangeListener() Implements org.eclipse.persistence.descriptors.changetracking.ChangeTracker._persistence_getPropertyChangeListener. Return the property change listener for change tracking.
public void	_persistence_setPropertyChangeListener(PropertyChangeListener changeListener) Implements org.eclipse.persistence.descriptors.changetracking.ChangeTracker._persistence_setPropertyChangeListener. INTERNAL: Set the property change listener for change tracking.
protected Hashtable<K, V>	buildDelegate() Return the freshly-built delegate.
public synchronized void	clear() Overrides java.util.Hashtable.clear. Implements java.util.Map.clear. Clears this hashtable so that it contains no keys.
public void	clearDeferredChanges() Implements org.eclipse.persistence.indirection.IndirectCollection.clearDeferredChanges. INTERNAL: clear any changes that have been deferred to instantiation.
public synchronized Object	clone() Overrides java.util.Hashtable.clone. Creates a shallow copy of this hashtable.
public synchronized V	compute(K key with which the specified value is to be associated key, BiFunction<? super K, ? super V, ? extends V> the remapping function to compute a value remappingFunction) Overrides java.util.Hashtable.compute. Overrides default java.util.Map.compute. Attempts to compute a mapping for the specified key and its current mapped value (or `null` if there is no current mapping).
public synchronized V	computeIfAbsent(K key with which the specified value is to be associated key, Function<? super K, ? extends V> the mapping function to compute a value mappingFunction) Overrides java.util.Hashtable.computeIfAbsent. Overrides default java.util.Map.computeIfAbsent. If the specified key is not already associated with a value (or is mapped to `null`), attempts to compute its value using the given mapping function and enters it into this map unless `null`.
public synchronized V	computeIfPresent(K key with which the specified value is to be associated key, BiFunction<? super K, ? super V, ? extends V> the remapping function to compute a value remappingFunction) Overrides java.util.Hashtable.computeIfPresent. Overrides default java.util.Map.computeIfPresent. If the value for the specified key is present and non-null, attempts to compute a new mapping given the key and its current mapped value.
public synchronized boolean	contains(Object a value to search for value) Overrides java.util.Hashtable.contains. Tests if some key maps into the specified value in this hashtable.
public synchronized boolean	containsKey(Object possible key key) Overrides java.util.Hashtable.containsKey. Implements java.util.Map.containsKey. Tests if the specified object is a key in this hashtable.
public boolean	containsValue(Object value whose presence in this hashtable is to be tested value) Overrides java.util.Hashtable.containsValue. Implements java.util.Map.containsValue. Returns true if this hashtable maps one or more keys to this value.
public synchronized Enumeration<V>	elements() Overrides java.util.Hashtable.elements. Returns an enumeration of the values in this hashtable.
public Set<Map.Entry<K, V>>	entrySet() Overrides java.util.Hashtable.entrySet. Implements java.util.Map.entrySet. Returns a `Set` view of the mappings contained in this map.
public synchronized boolean	equals(Object object to be compared for equality with this hashtable o) Overrides java.util.Hashtable.equals. Implements java.util.Map.equals. Compares the specified Object with this Map for equality, as per the definition in the Map interface.
public synchronized void	forEach(BiConsumer<? super K, ? super V> The action to be performed for each entry action) Overrides java.util.Hashtable.forEach. Overrides default java.util.Map.forEach. Performs the given action for each entry in this map until all entries have been processed or the action throws an exception.
public synchronized V	get(Object the key whose associated value is to be returned key) Overrides java.util.Hashtable.get. Implements java.util.Map.get. Returns the value to which the specified key is mapped, or `null` if this map contains no mapping for the key.
public Collection<Map.Entry<K, V>>	getAddedElements() Implements org.eclipse.persistence.indirection.IndirectCollection.getAddedElements. INTERNAL: Return the elements that have been added before instantiation.
protected Hashtable<K, V>	getDelegate() INTERNAL: Check whether the contents have been read from the database.
public Map<K, V>	getDelegateObject() Implements org.eclipse.persistence.indirection.IndirectCollection.getDelegateObject. INTERNAL: Return the real collection object.
public synchronized V	getOrDefault(Object the key whose associated value is to be returned key, V the default mapping of the key defaultValue) Overrides java.util.Hashtable.getOrDefault. Overrides default java.util.Map.getOrDefault. Returns the value to which the specified key is mapped, or `defaultValue` if this map contains no mapping for the key.
public Collection<Map.Entry<K, V>>	getRemovedElements() Implements org.eclipse.persistence.indirection.IndirectCollection.getRemovedElements. INTERNAL: Return the elements that have been removed before instantiation.
public String	getTrackedAttributeName() Implements org.eclipse.persistence.descriptors.changetracking.CollectionChangeTracker.getTrackedAttributeName. INTERNAL: Return the mapping attribute name, used to raise change events.
public ValueHolderInterface<Map<K, V>>	getValueHolder() Implements org.eclipse.persistence.indirection.IndirectContainer.getValueHolder. PUBLIC: Return the valueHolder.
public boolean	hasDeferredChanges() Implements org.eclipse.persistence.indirection.IndirectCollection.hasDeferredChanges. INTERNAL: Return if any elements that have been added or removed before instantiation.
public synchronized int	hashCode() Overrides java.util.Hashtable.hashCode. Implements java.util.Map.hashCode. Returns the hash code value for this Map as per the definition in the Map interface.
public boolean	hasTrackedPropertyChangeListener() INTERNAL: Return if the collection has a property change listener for change tracking.
protected void	initialize(int initialCapacity, float loadFactor) Initialize the instance.
protected void	initialize(Map<? extends K, ? extends V> m) Initialize the instance.
public boolean	isEmpty() Overrides java.util.Hashtable.isEmpty. Implements java.util.Map.isEmpty. Tests if this hashtable maps no keys to values.
public boolean	isInstantiated() Implements org.eclipse.persistence.indirection.IndirectContainer.isInstantiated. PUBLIC: Return whether the contents have been read from the database.
public synchronized Enumeration<K>	keys() Overrides java.util.Hashtable.keys. Returns an enumeration of the keys in this hashtable.
public Set<K>	keySet() Overrides java.util.Hashtable.keySet. Implements java.util.Map.keySet. Returns a `Set` view of the keys contained in this map.
public synchronized V	merge(K key with which the resulting value is to be associated key, V the non-null value to be merged with the existing value associated with the key or, if no existing value or a null value is associated with the key, to be associated with the key value, BiFunction<? super V, ? super V, ? extends V> the remapping function to recompute a value if present remappingFunction) Overrides java.util.Hashtable.merge. Overrides default java.util.Map.merge. If the specified key is not already associated with a value or is associated with null, associates it with the given non-null value.
public synchronized V	put(K the hashtable key key, V the value value) Overrides java.util.Hashtable.put. Implements java.util.Map.put. Maps the specified `key` to the specified `value` in this hashtable.
public synchronized void	putAll(Map<? extends K, ? extends V> mappings to be stored in this map t) Overrides java.util.Hashtable.putAll. Implements java.util.Map.putAll. Copies all of the mappings from the specified map to this hashtable.
public synchronized V	putIfAbsent(K key with which the specified value is to be associated key, V value to be associated with the specified key value) Overrides java.util.Hashtable.putIfAbsent. Overrides default java.util.Map.putIfAbsent. If the specified key is not already associated with a value (or is mapped to `null`) associates it with the given value and returns `null`, else returns the current value.
protected void	raiseAddChangeEvent(Object key, Object value) Raise the add change event and relationship maintainence.
protected void	raiseRemoveChangeEvent(Object key, Object value) Raise the remove change event.
protected void	rehash() Overrides java.util.Hashtable.rehash. Increases the capacity of and internally reorganizes this hashtable, in order to accommodate and access its entries more efficiently.
public synchronized boolean	remove(Object key with which the specified value is associated key, Object value expected to be associated with the specified key value) Overrides java.util.Hashtable.remove. Overrides default java.util.Map.remove. Removes the entry for the specified key only if it is currently mapped to the specified value.
public synchronized V	remove(Object the key that needs to be removed key) Overrides java.util.Hashtable.remove. Implements java.util.Map.remove. Removes the key (and its corresponding value) from this hashtable.
public synchronized V	replace(K key with which the specified value is associated key, V value to be associated with the specified key value) Overrides java.util.Hashtable.replace. Overrides default java.util.Map.replace. Replaces the entry for the specified key only if it is currently mapped to some value.
public synchronized boolean	replace(K key with which the specified value is associated key, V value expected to be associated with the specified key oldValue, V value to be associated with the specified key newValue) Overrides java.util.Hashtable.replace. Overrides default java.util.Map.replace. Replaces the entry for the specified key only if currently mapped to the specified value.
public synchronized void	replaceAll(BiFunction<? super K, ? super V, ? extends V> the function to apply to each entry function) Overrides java.util.Hashtable.replaceAll. Overrides default java.util.Map.replaceAll. Replaces each entry's value with the result of invoking the given function on that entry until all entries have been processed or the function throws an exception.
public void	setTrackedAttributeName(String attributeName) Implements org.eclipse.persistence.descriptors.changetracking.CollectionChangeTracker.setTrackedAttributeName. INTERNAL: Set the mapping attribute name, used to raise change events.
public void	setUseLazyInstantiation(boolean useLazyInstantiation) Implements org.eclipse.persistence.indirection.IndirectCollection.setUseLazyInstantiation. INTERNAL Set whether this collection should attempt do deal with adds and removes without retrieving the collection from the dB
public void	setValueHolder(ValueHolderInterface<Map<K, V>> valueHolder) Implements org.eclipse.persistence.indirection.IndirectContainer.setValueHolder. INTERNAL: Set the value holder.
public int	size() Overrides java.util.Hashtable.size. Implements java.util.Map.size. Returns the number of keys in this hashtable.
public String	toString() Overrides java.util.Hashtable.toString. PUBLIC: Use the Hashtable.toString(); but wrap it with braces to indicate there is a bit of indirection.
public Collection<V>	values() Overrides java.util.Hashtable.values. Implements java.util.Map.values. Returns a `Collection` view of the values contained in this map.

public Class IndirectMap<K, V>

Field Summary

Constructor Summary

Method Summary