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Java Source Code / Java Documentation » Development » PCJ » bak.pcj.map 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   bak.pcj.map.AbstractLongKeyLongMap
      bak.pcj.map.LongKeyLongChainedHashMap

LongKeyLongChainedHashMap
public class LongKeyLongChainedHashMap extends AbstractLongKeyLongMap implements LongKeyLongMap,Cloneable,Serializable(Code)
This class represents chained hash table based maps from long values to long values.
See Also:   LongKeyLongOpenHashMap
See Also:   java.util.Map
author:
   Søren Bak
version:
   1.4 21-08-2003 19:48
since:
   1.0


Field Summary
final public static  intDEFAULT_CAPACITY
     The default capacity of this map.
final public static  intDEFAULT_GROWTH_CHUNK
     The default chunk size with which to increase the capacity of this map.
final public static  doubleDEFAULT_GROWTH_FACTOR
     The default factor with which to increase the capacity of this map.
final public static  doubleDEFAULT_LOAD_FACTOR
     The default load factor of this map.

Constructor Summary
public  LongKeyLongChainedHashMap()
     Creates a new hash map with capacity 11, a relative growth factor of 1.0, and a load factor of 75%.
public  LongKeyLongChainedHashMap(LongKeyLongMap map)
     Creates a new hash map with the same mappings as a specified map.
public  LongKeyLongChainedHashMap(int capacity)
     Creates a new hash map with a specified capacity, a relative growth factor of 1.0, and a load factor of 75%.
public  LongKeyLongChainedHashMap(double loadFactor)
     Creates a new hash map with a capacity of 11, a relative growth factor of 1.0, and a specified load factor.
public  LongKeyLongChainedHashMap(int capacity, double loadFactor)
     Creates a new hash map with a specified capacity and load factor, and a relative growth factor of 1.0.
public  LongKeyLongChainedHashMap(int capacity, double loadFactor, double growthFactor)
     Creates a new hash map with a specified capacity, load factor, and relative growth factor.
public  LongKeyLongChainedHashMap(int capacity, double loadFactor, int growthChunk)
     Creates a new hash map with a specified capacity, load factor, and absolute growth factor.

The map capacity increases to capacity()+growthChunk. This strategy is good for avoiding wasting memory.

public  LongKeyLongChainedHashMap(LongHashFunction keyhash)
     Creates a new hash map with capacity 11, a relative growth factor of 1.0, and a load factor of 75%.
public  LongKeyLongChainedHashMap(LongHashFunction keyhash, int capacity)
     Creates a new hash map with a specified capacity, a relative growth factor of 1.0, and a load factor of 75%.
public  LongKeyLongChainedHashMap(LongHashFunction keyhash, double loadFactor)
     Creates a new hash map with a capacity of 11, a relative growth factor of 1.0, and a specified load factor.
public  LongKeyLongChainedHashMap(LongHashFunction keyhash, int capacity, double loadFactor)
     Creates a new hash map with a specified capacity and load factor, and a relative growth factor of 1.0.
public  LongKeyLongChainedHashMap(LongHashFunction keyhash, int capacity, double loadFactor, double growthFactor)
     Creates a new hash map with a specified capacity, load factor, and relative growth factor.
public  LongKeyLongChainedHashMap(LongHashFunction keyhash, int capacity, double loadFactor, int growthChunk)
     Creates a new hash map with a specified capacity, load factor, and absolute growth factor.

The map capacity increases to capacity()+growthChunk. This strategy is good for avoiding wasting memory.


Method Summary
public  voidclear()
    
public  Objectclone()
     Returns a clone of this hash map.
public  booleancontainsKey(long key)
    
public  booleancontainsValue(long value)
    
public  LongKeyLongMapIteratorentries()
    
public  longget(long key)
    
public  booleanisEmpty()
    
public  LongSetkeySet()
    
public  longlget()
    
public  longput(long key, long value)
    
public  longremove(long key)
    
public  intsize()
    
public  longtget(long key)
    
public  LongCollectionvalues()
    

Field Detail
DEFAULT_CAPACITY
final public static int DEFAULT_CAPACITY(Code)
The default capacity of this map.



DEFAULT_GROWTH_CHUNK
final public static int DEFAULT_GROWTH_CHUNK(Code)
The default chunk size with which to increase the capacity of this map.



DEFAULT_GROWTH_FACTOR
final public static double DEFAULT_GROWTH_FACTOR(Code)
The default factor with which to increase the capacity of this map.



DEFAULT_LOAD_FACTOR
final public static double DEFAULT_LOAD_FACTOR(Code)
The default load factor of this map.




Constructor Detail
LongKeyLongChainedHashMap
public LongKeyLongChainedHashMap()(Code)
Creates a new hash map with capacity 11, a relative growth factor of 1.0, and a load factor of 75%.



LongKeyLongChainedHashMap
public LongKeyLongChainedHashMap(LongKeyLongMap map)(Code)
Creates a new hash map with the same mappings as a specified map.
Parameters:
  map - the map whose mappings to put into the new map.
throws:
  NullPointerException - if map is null.



LongKeyLongChainedHashMap
public LongKeyLongChainedHashMap(int capacity)(Code)
Creates a new hash map with a specified capacity, a relative growth factor of 1.0, and a load factor of 75%.
Parameters:
  capacity - the initial capacity of the map.
throws:
  IllegalArgumentException - if capacity is negative.



LongKeyLongChainedHashMap
public LongKeyLongChainedHashMap(double loadFactor)(Code)
Creates a new hash map with a capacity of 11, a relative growth factor of 1.0, and a specified load factor.
Parameters:
  loadFactor - the load factor of the map.
throws:
  IllegalArgumentException - if capacity is negative.



LongKeyLongChainedHashMap
public LongKeyLongChainedHashMap(int capacity, double loadFactor)(Code)
Creates a new hash map with a specified capacity and load factor, and a relative growth factor of 1.0.
Parameters:
  capacity - the initial capacity of the map.
Parameters:
  loadFactor - the load factor of the map.
throws:
  IllegalArgumentException - if capacity is negative;if loadFactor is not positive.



LongKeyLongChainedHashMap
public LongKeyLongChainedHashMap(int capacity, double loadFactor, double growthFactor)(Code)
Creates a new hash map with a specified capacity, load factor, and relative growth factor.

The map capacity increases to capacity()*(1+growthFactor). This strategy is good for avoiding many capacity increases, but the amount of wasted memory is approximately the size of the map.
Parameters:
  capacity - the initial capacity of the map.
Parameters:
  loadFactor - the load factor of the map.
Parameters:
  growthFactor - the relative amount with which to increase thethe capacity when a capacity increase is needed.
throws:
  IllegalArgumentException - if capacity is negative;if loadFactor is not positive;if growthFactor is not positive.




LongKeyLongChainedHashMap
public LongKeyLongChainedHashMap(int capacity, double loadFactor, int growthChunk)(Code)
Creates a new hash map with a specified capacity, load factor, and absolute growth factor.

The map capacity increases to capacity()+growthChunk. This strategy is good for avoiding wasting memory. However, an overhead is potentially introduced by frequent capacity increases.
Parameters:
  capacity - the initial capacity of the map.
Parameters:
  loadFactor - the load factor of the map.
Parameters:
  growthChunk - the absolute amount with which to increase thethe capacity when a capacity increase is needed.
throws:
  IllegalArgumentException - if capacity is negative;if loadFactor is not positive;if growthChunk is not positive;




LongKeyLongChainedHashMap
public LongKeyLongChainedHashMap(LongHashFunction keyhash)(Code)
Creates a new hash map with capacity 11, a relative growth factor of 1.0, and a load factor of 75%.
Parameters:
  keyhash - the hash function to use when hashing keys.
throws:
  NullPointerException - if keyhash is null.



LongKeyLongChainedHashMap
public LongKeyLongChainedHashMap(LongHashFunction keyhash, int capacity)(Code)
Creates a new hash map with a specified capacity, a relative growth factor of 1.0, and a load factor of 75%.
Parameters:
  keyhash - the hash function to use when hashing keys.
Parameters:
  capacity - the initial capacity of the map.
throws:
  IllegalArgumentException - if capacity is negative.
throws:
  NullPointerException - if keyhash is null.



LongKeyLongChainedHashMap
public LongKeyLongChainedHashMap(LongHashFunction keyhash, double loadFactor)(Code)
Creates a new hash map with a capacity of 11, a relative growth factor of 1.0, and a specified load factor.
Parameters:
  keyhash - the hash function to use when hashing keys.
Parameters:
  loadFactor - the load factor of the map.
throws:
  IllegalArgumentException - if capacity is negative.
throws:
  NullPointerException - if keyhash is null.



LongKeyLongChainedHashMap
public LongKeyLongChainedHashMap(LongHashFunction keyhash, int capacity, double loadFactor)(Code)
Creates a new hash map with a specified capacity and load factor, and a relative growth factor of 1.0.
Parameters:
  keyhash - the hash function to use when hashing keys.
Parameters:
  capacity - the initial capacity of the map.
Parameters:
  loadFactor - the load factor of the map.
throws:
  IllegalArgumentException - if capacity is negative;if loadFactor is not positive.
throws:
  NullPointerException - if keyhash is null.



LongKeyLongChainedHashMap
public LongKeyLongChainedHashMap(LongHashFunction keyhash, int capacity, double loadFactor, double growthFactor)(Code)
Creates a new hash map with a specified capacity, load factor, and relative growth factor.

The map capacity increases to capacity()*(1+growthFactor). This strategy is good for avoiding many capacity increases, but the amount of wasted memory is approximately the size of the map.
Parameters:
  keyhash - the hash function to use when hashing keys.
Parameters:
  capacity - the initial capacity of the map.
Parameters:
  loadFactor - the load factor of the map.
Parameters:
  growthFactor - the relative amount with which to increase thethe capacity when a capacity increase is needed.
throws:
  IllegalArgumentException - if capacity is negative;if loadFactor is not positive;if growthFactor is not positive.
throws:
  NullPointerException - if keyhash is null.




LongKeyLongChainedHashMap
public LongKeyLongChainedHashMap(LongHashFunction keyhash, int capacity, double loadFactor, int growthChunk)(Code)
Creates a new hash map with a specified capacity, load factor, and absolute growth factor.

The map capacity increases to capacity()+growthChunk. This strategy is good for avoiding wasting memory. However, an overhead is potentially introduced by frequent capacity increases.
Parameters:
  keyhash - the hash function to use when hashing keys.
Parameters:
  capacity - the initial capacity of the map.
Parameters:
  loadFactor - the load factor of the map.
Parameters:
  growthChunk - the absolute amount with which to increase thethe capacity when a capacity increase is needed.
throws:
  IllegalArgumentException - if capacity is negative;if loadFactor is not positive;if growthChunk is not positive;
throws:
  NullPointerException - if keyhash is null.





Method Detail
clear
public void clear()(Code)



clone
public Object clone()(Code)
Returns a clone of this hash map. a clone of this hash map.
since:
   1.1



containsKey
public boolean containsKey(long key)(Code)



containsValue
public boolean containsValue(long value)(Code)



entries
public LongKeyLongMapIterator entries()(Code)



get
public long get(long key)(Code)



isEmpty
public boolean isEmpty()(Code)



keySet
public LongSet keySet()(Code)



lget
public long lget()(Code)



put
public long put(long key, long value)(Code)



remove
public long remove(long key)(Code)



size
public int size()(Code)



tget
public long tget(long key)(Code)



values
public LongCollection values()(Code)



Methods inherited from bak.pcj.map.AbstractLongKeyLongMap
public void clear()(Code)(Java Doc)
public boolean containsKey(long key)(Code)(Java Doc)
public boolean containsValue(long value)(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
public long get(long key)(Code)(Java Doc)
public int hashCode()(Code)(Java Doc)
public boolean isEmpty()(Code)(Java Doc)
public void putAll(LongKeyLongMap map)(Code)(Java Doc)
public long remove(long key)(Code)(Java Doc)
public int size()(Code)(Java Doc)
public long tget(long key)(Code)(Java Doc)
public String toString()(Code)(Java Doc)
public void trimToSize()(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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