Package org.eclipse.collections.impl.multimap.bag.strategy

Class HashBagMultimapWithHashingStrategy<K,V>

java.lang.Object

org.eclipse.collections.impl.multimap.AbstractMultimap<K,V,C>

org.eclipse.collections.impl.multimap.AbstractMutableMultimap<K,V,MutableBag<V>>

org.eclipse.collections.impl.multimap.bag.AbstractMutableBagMultimap<K,V>

org.eclipse.collections.impl.multimap.bag.strategy.HashBagMultimapWithHashingStrategy<K,V>

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, BagMultimap<K,V>, MutableBagIterableMultimap<K,V>, MutableBagMultimap<K,V>, UnsortedBagMultimap<K,V>, Multimap<K,V>, MutableMultimap<K,V>

public final class HashBagMultimapWithHashingStrategy<K,V>
extends AbstractMutableBagMultimap<K,V>
implements java.io.Externalizable

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
private HashingStrategy<? super K>	hashingStrategy
private static long	serialVersionUID

Fields inherited from class org.eclipse.collections.impl.multimap.AbstractMutableMultimap

map, totalSize

Constructor Summary

Constructors

Constructor	Description
HashBagMultimapWithHashingStrategy()	Deprecated. Empty default constructor used for serialization.
HashBagMultimapWithHashingStrategy(HashingStrategy<? super K> hashingStrategy)
HashBagMultimapWithHashingStrategy(HashingStrategy<? super K> hashingStrategy, java.lang.Iterable<Pair<K,V>> inputIterable)
HashBagMultimapWithHashingStrategy(HashingStrategy<? super K> hashingStrategy, Multimap<? extends K,? extends V> multimap)
HashBagMultimapWithHashingStrategy(HashingStrategy<? super K> hashingStrategy, Pair<K,V>... pairs)
HashBagMultimapWithHashingStrategy(HashBagMultimapWithHashingStrategy<K,V> multimap)

Method Summary

Modifier and Type	Method	Description
<V2> HashBagMultimapWithHashingStrategy<K,V2>	collectValues(Function<? super V,? extends V2> function)	Returns a new multimap with the results of applying the specified function on each value of the source multimap.
protected MutableBag<V>	createCollection()	Creates the collection of values for a single key.
protected MutableMap<K,MutableBag<V>>	createMap()
protected MutableMap<K,MutableBag<V>>	createMapWithKeyCount(int keyCount)
MutableBagMultimap<V,K>	flip()	Given a Multimap from Domain -> Range return a multimap from Range -> Domain.
HashingStrategy<? super K>	getKeyHashingStrategy()
HashBagMultimapWithHashingStrategy<K,V>	newEmpty()	Creates a new instance of the same implementation type, using the default capacity and growth parameters.
static <K,V> HashBagMultimapWithHashingStrategy<K,V>	newMultimap(HashingStrategy<? super K> multimapHashingStrategy)
static <K,V> HashBagMultimapWithHashingStrategy<K,V>	newMultimap(HashingStrategy<? super K> multimapHashingStrategy, java.lang.Iterable<Pair<K,V>> inputIterable)
static <K,V> HashBagMultimapWithHashingStrategy<K,V>	newMultimap(HashingStrategy<? super K> multimapHashingStrategy, Multimap<? extends K,? extends V> multimap)
static <K,V> HashBagMultimapWithHashingStrategy<K,V>	newMultimap(HashingStrategy<? super K> multimapHashingStrategy, Pair<K,V>... pairs)
static <K,V> HashBagMultimapWithHashingStrategy<K,V>	newMultimap(HashBagMultimapWithHashingStrategy<K,V> multimap)
void	readExternal(java.io.ObjectInput in)
HashBagMultimapWithHashingStrategy<K,V>	rejectKeysMultiValues(Predicate2<? super K,? super RichIterable<V>> predicate)	Returns all elements of the source multimap that don't satisfy the predicate.
HashBagMultimapWithHashingStrategy<K,V>	rejectKeysValues(Predicate2<? super K,? super V> predicate)	Returns all elements of the source multimap that don't satisfy the predicate.
HashBagMultimapWithHashingStrategy<K,V>	selectKeysMultiValues(Predicate2<? super K,? super RichIterable<V>> predicate)	Returns all elements of the source multimap that satisfies the predicate.
HashBagMultimapWithHashingStrategy<K,V>	selectKeysValues(Predicate2<? super K,? super V> predicate)	Returns all elements of the source multimap that satisfies the predicate.
void	writeExternal(java.io.ObjectOutput out)

Methods inherited from class org.eclipse.collections.impl.multimap.bag.AbstractMutableBagMultimap

asSynchronized, collectKeyMultiValues, collectKeysValues, forEachKeyMutableBag, putOccurrences, toImmutable, toMutable

Methods inherited from class org.eclipse.collections.impl.multimap.AbstractMutableMultimap

addToTotalSize, clear, clearTotalSize, decrementTotalSize, get, getIfAbsentPutAll, getMap, incrementTotalSize, isEmpty, keySet, put, putAll, putAll, remove, removeAll, replaceValues, size, sizeDistinct, subtractFromTotalSize, toMap, toMap

Methods inherited from class org.eclipse.collections.impl.multimap.AbstractMultimap

collectKeyMultiValues, collectKeysValues, collectValues, containsKey, containsKeyAndValue, containsValue, createCollectionBlock, equals, forEachKey, forEachKeyMultiValues, forEachKeyValue, forEachValue, hashCode, keyBag, keyMultiValuePairsView, keysView, keyValuePairsView, multiValuesView, notEmpty, rejectKeysMultiValues, rejectKeysValues, selectKeysMultiValues, selectKeysValues, toString, valuesView

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.eclipse.collections.api.multimap.Multimap

collectKeyMultiValues, collectKeysValues, collectValues, containsKey, containsKeyAndValue, containsValue, equals, forEachKey, forEachKeyMultiValues, forEachKeyValue, forEachValue, hashCode, isEmpty, keyBag, keyMultiValuePairsView, keySet, keysView, keyValuePairsView, multiValuesView, notEmpty, rejectKeysMultiValues, rejectKeysValues, selectKeysMultiValues, selectKeysValues, size, sizeDistinct, toMap, toMap, valuesView

Methods inherited from interface org.eclipse.collections.api.multimap.bag.MutableBagMultimap

get, getIfAbsentPutAll, removeAll, replaceValues, withKeyMultiValues, withKeyValue

Methods inherited from interface org.eclipse.collections.api.multimap.MutableMultimap

add, clear, put, putAll, putAll, putAllPairs, putAllPairs, remove

Field Detail

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

hashingStrategy

private HashingStrategy<? super K> hashingStrategy

Constructor Detail

HashBagMultimapWithHashingStrategy

@Deprecated
public HashBagMultimapWithHashingStrategy()

Deprecated.

Empty default constructor used for serialization. Instantiating an HashBagMultimapWithHashingStrategy with this constructor will have a null multimapHashingStrategy, and throw NullPointerException when used.

HashBagMultimapWithHashingStrategy

public HashBagMultimapWithHashingStrategy(HashingStrategy<? super K> hashingStrategy)

HashBagMultimapWithHashingStrategy

public HashBagMultimapWithHashingStrategy(HashBagMultimapWithHashingStrategy<K,V> multimap)

HashBagMultimapWithHashingStrategy

public HashBagMultimapWithHashingStrategy(HashingStrategy<? super K> hashingStrategy,
                                          Multimap<? extends K,? extends V> multimap)

HashBagMultimapWithHashingStrategy

public HashBagMultimapWithHashingStrategy(HashingStrategy<? super K> hashingStrategy,
                                          Pair<K,V>... pairs)

HashBagMultimapWithHashingStrategy

public HashBagMultimapWithHashingStrategy(HashingStrategy<? super K> hashingStrategy,
                                          java.lang.Iterable<Pair<K,V>> inputIterable)

Method Detail

newMultimap

public static <K,V> HashBagMultimapWithHashingStrategy<K,V> newMultimap(HashBagMultimapWithHashingStrategy<K,V> multimap)

newMultimap

public static <K,V> HashBagMultimapWithHashingStrategy<K,V> newMultimap(HashingStrategy<? super K> multimapHashingStrategy,
                                                                                    Multimap<? extends K,? extends V> multimap)

newMultimap

public static <K,V> HashBagMultimapWithHashingStrategy<K,V> newMultimap(HashingStrategy<? super K> multimapHashingStrategy)

newMultimap

@SafeVarargs
public static <K,V> HashBagMultimapWithHashingStrategy<K,V> newMultimap(HashingStrategy<? super K> multimapHashingStrategy,
                                                                                    Pair<K,V>... pairs)

newMultimap

public static <K,V> HashBagMultimapWithHashingStrategy<K,V> newMultimap(HashingStrategy<? super K> multimapHashingStrategy,
                                                                                    java.lang.Iterable<Pair<K,V>> inputIterable)

createMap

protected MutableMap<K,MutableBag<V>> createMap()

Specified by:

createMap in class AbstractMutableMultimap<K,V,MutableBag<V>>

createMapWithKeyCount

protected MutableMap<K,MutableBag<V>> createMapWithKeyCount(int keyCount)

Specified by:

createMapWithKeyCount in class AbstractMutableMultimap<K,V,MutableBag<V>>

createCollection

protected MutableBag<V> createCollection()

Description copied from class: AbstractMultimap

Creates the collection of values for a single key.

Collections with weak, soft, or phantom references are not supported. Each call to createCollection should create a new instance.

The returned collection class determines whether duplicate key-value pairs are allowed.

Specified by:

createCollection in class AbstractMultimap<K,V,MutableBag<V>>

Returns:

an empty collection of values

getKeyHashingStrategy

public HashingStrategy<? super K> getKeyHashingStrategy()

newEmpty

public HashBagMultimapWithHashingStrategy<K,V> newEmpty()

Description copied from interface: Multimap

Creates a new instance of the same implementation type, using the default capacity and growth parameters.

Specified by:

newEmpty in interface BagMultimap<K,V>

Specified by:

newEmpty in interface Multimap<K,V>

Specified by:

newEmpty in interface MutableBagIterableMultimap<K,V>

Specified by:

newEmpty in interface MutableBagMultimap<K,V>

Specified by:

newEmpty in interface MutableMultimap<K,V>

Specified by:

newEmpty in interface UnsortedBagMultimap<K,V>

writeExternal

public void writeExternal(java.io.ObjectOutput out)
                   throws java.io.IOException

Specified by:

writeExternal in interface java.io.Externalizable

Overrides:

writeExternal in class AbstractMutableBagMultimap<K,V>

Throws:

java.io.IOException

readExternal

public void readExternal(java.io.ObjectInput in)
                  throws java.io.IOException,
                         java.lang.ClassNotFoundException

Specified by:

readExternal in interface java.io.Externalizable

Overrides:

readExternal in class AbstractMutableBagMultimap<K,V>

Throws:

java.io.IOException

java.lang.ClassNotFoundException

flip

public MutableBagMultimap<V,K> flip()

Description copied from interface: Multimap

Given a Multimap from Domain -> Range return a multimap from Range -> Domain.

Specified by:

flip in interface BagMultimap<K,V>

Specified by:

flip in interface Multimap<K,V>

Specified by:

flip in interface MutableBagIterableMultimap<K,V>

Specified by:

flip in interface MutableBagMultimap<K,V>

Specified by:

flip in interface MutableMultimap<K,V>

collectValues

public <V2> HashBagMultimapWithHashingStrategy<K,V2> collectValues(Function<? super V,? extends V2> function)

Description copied from interface: Multimap

Returns a new multimap with the results of applying the specified function on each value of the source multimap. This method is also commonly called transform or map.

e.g.
 return multimap.collectValues(new Function<Person, String>()
 {
     public String valueOf(Person person)
     {
         return person.getLastName();
     }
 });
 

Specified by:

collectValues in interface Multimap<K,V>

Specified by:

collectValues in interface MutableBagIterableMultimap<K,V>

Specified by:

collectValues in interface MutableBagMultimap<K,V>

Specified by:

collectValues in interface MutableMultimap<K,V>

Specified by:

collectValues in interface UnsortedBagMultimap<K,V>

Parameters:

function - a Function to use for transformation

Returns:

Multimap, which contains elements as a result of the transformation

selectKeysValues

public HashBagMultimapWithHashingStrategy<K,V> selectKeysValues(Predicate2<? super K,? super V> predicate)

Description copied from interface: Multimap

Returns all elements of the source multimap that satisfies the predicate. This method is also commonly called filter.

e.g.
 return multimap.selectKeysValues(new Predicate2<Integer, Person>()
 {
     public boolean accept(Integer age, Person person)
     {
         return (age >= 18)
                  && (person.getAddress().getCity().equals("Metuchen"));
     }
 });
 

Specified by:

selectKeysValues in interface BagMultimap<K,V>

Specified by:

selectKeysValues in interface Multimap<K,V>

Specified by:

selectKeysValues in interface MutableBagIterableMultimap<K,V>

Specified by:

selectKeysValues in interface MutableBagMultimap<K,V>

Specified by:

selectKeysValues in interface MutableMultimap<K,V>

Specified by:

selectKeysValues in interface UnsortedBagMultimap<K,V>

Parameters:

predicate - a Predicate2 to use as the select criteria

Returns:

Multimap, which contains elements as a result of the select criteria

rejectKeysValues

public HashBagMultimapWithHashingStrategy<K,V> rejectKeysValues(Predicate2<? super K,? super V> predicate)

Description copied from interface: Multimap

Returns all elements of the source multimap that don't satisfy the predicate.

e.g.
 return multimap.rejectKeysValues(new Predicate2<Integer, Person>()
 {
     public boolean accept(Integer age, Person person)
     {
         return (age >= 18)
                  && (person.getAddress().getCity().equals("Metuchen"));
     }
 });
 

Specified by:

rejectKeysValues in interface BagMultimap<K,V>

Specified by:

rejectKeysValues in interface Multimap<K,V>

Specified by:

rejectKeysValues in interface MutableBagIterableMultimap<K,V>

Specified by:

rejectKeysValues in interface MutableBagMultimap<K,V>

Specified by:

rejectKeysValues in interface MutableMultimap<K,V>

Specified by:

rejectKeysValues in interface UnsortedBagMultimap<K,V>

Parameters:

predicate - a Predicate2 to use as the reject criteria

Returns:

Multimap, which contains elements that don't satisfy the predicate

selectKeysMultiValues

public HashBagMultimapWithHashingStrategy<K,V> selectKeysMultiValues(Predicate2<? super K,? super RichIterable<V>> predicate)

Description copied from interface: Multimap

Returns all elements of the source multimap that satisfies the predicate. This method is also commonly called filter.

e.g.
 return multimap.selectKeysMultiValues(new Predicate2<Integer, Iterable<Person>>()
 {
     public boolean accept(Integer age, Iterable<Person> values)
     {
         return (age >= 18)
                  && ((RichIterable<Person>)values.size() >= 2);
     }
 });
 

Specified by:

selectKeysMultiValues in interface BagMultimap<K,V>

Specified by:

selectKeysMultiValues in interface Multimap<K,V>

Specified by:

selectKeysMultiValues in interface MutableBagIterableMultimap<K,V>

Specified by:

selectKeysMultiValues in interface MutableBagMultimap<K,V>

Specified by:

selectKeysMultiValues in interface MutableMultimap<K,V>

Specified by:

selectKeysMultiValues in interface UnsortedBagMultimap<K,V>

Parameters:

predicate - a Predicate2 to use as the select criteria

Returns:

Multimap, which contains elements as a result of the select criteria

rejectKeysMultiValues

public HashBagMultimapWithHashingStrategy<K,V> rejectKeysMultiValues(Predicate2<? super K,? super RichIterable<V>> predicate)

Description copied from interface: Multimap

Returns all elements of the source multimap that don't satisfy the predicate.

e.g.
 return multimap.rejectKeysMultiValues(new Predicate2<Integer, Iterable<Person>>()
 {
     public boolean accept(Integer age, Iterable<Person> values)
     {
         return (age >= 18)
                  && ((RichIterable<Person>)values.size() >= 2);
     }
 });
 

Specified by:

rejectKeysMultiValues in interface BagMultimap<K,V>

Specified by:

rejectKeysMultiValues in interface Multimap<K,V>

Specified by:

rejectKeysMultiValues in interface MutableBagIterableMultimap<K,V>

Specified by:

rejectKeysMultiValues in interface MutableBagMultimap<K,V>

Specified by:

rejectKeysMultiValues in interface MutableMultimap<K,V>

Specified by:

rejectKeysMultiValues in interface UnsortedBagMultimap<K,V>

Parameters:

predicate - a Predicate2 to use as the reject criteria

Returns:

Multimap, which contains elements that don't satisfy the predicate