Package org.apache.jena.ext.xerces.util
Class SymbolHash
- java.lang.Object
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- org.apache.jena.ext.xerces.util.SymbolHash
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public class SymbolHash extends java.lang.Object
This class is an unsynchronized hash table primary used for String to Object mapping.The hash code uses the same algorithm as SymbolTable class.
- Version:
- $Id: SymbolHash.java 819653 2009-09-28 17:29:56Z knoaman $
- Author:
- Elena Litani
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Constructor Summary
Constructors Constructor Description SymbolHash()
Constructs a key table with the default size.SymbolHash(int size)
Constructs a key table with a given size.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
clear()
Remove all key/value assocaition.java.lang.Object
get(java.lang.Object key)
Get the value associated with the given key.java.lang.Object[]
getEntries()
Return key/value pairs of all entries in the mapint
getLength()
Get the number of key/value pairs stored in this table.int
getValues(java.lang.Object[] elements, int from)
Add all values to the given array.SymbolHash
makeClone()
Make a clone of this object.void
put(java.lang.Object key, java.lang.Object value)
Adds the key/value mapping to the key table.
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Method Detail
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put
public void put(java.lang.Object key, java.lang.Object value)
Adds the key/value mapping to the key table. If the key already exists, the previous value associated with this key is overwritten by the new value.- Parameters:
key
-value
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get
public java.lang.Object get(java.lang.Object key)
Get the value associated with the given key.- Parameters:
key
-- Returns:
- the value associated with the given key.
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getLength
public int getLength()
Get the number of key/value pairs stored in this table.- Returns:
- the number of key/value pairs stored in this table.
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getValues
public int getValues(java.lang.Object[] elements, int from)
Add all values to the given array. The array must have enough entry.- Parameters:
elements
- the array to store the elementsfrom
- where to start store element in the array- Returns:
- number of elements copied to the array
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getEntries
public java.lang.Object[] getEntries()
Return key/value pairs of all entries in the map
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makeClone
public SymbolHash makeClone()
Make a clone of this object.
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clear
public void clear()
Remove all key/value assocaition. This tries to save a bit of GC'ing by at least keeping the fBuckets array around.
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