org.apache.xerces.util
Class SynchronizedSymbolTable

java.lang.Object
  |
  +--org.apache.xerces.util.SymbolTable
        |
        +--org.apache.xerces.util.SynchronizedSymbolTable

public final class SynchronizedSymbolTable

extends SymbolTable

Synchronized symbol table. This class moved into the util package since it's needed by multiple other classes (CachingParserPool, XMLGrammarCachingConfiguration).

Version:

$Id: SynchronizedSymbolTable.java,v 1.3 2004/02/24 23:15:53 mrglavas Exp $

Author:

Andy Clark, IBM

Inner classes inherited from class org.apache.xerces.util.SymbolTable

SymbolTable.Entry

Field Summary

protected SymbolTable

fSymbolTable Main symbol table.

Fields inherited from class org.apache.xerces.util.SymbolTable

fBuckets, fCount, fLoadFactor, fTableSize, fThreshold, TABLE_SIZE

Constructor Summary

SynchronizedSymbolTable()

SynchronizedSymbolTable(int size)

SynchronizedSymbolTable(SymbolTable symbolTable)
Constructs a synchronized symbol table.

Method Summary

java.lang.String	addSymbol(char[] buffer, int offset, int length) Adds the specified symbol to the symbol table and returns a reference to the unique symbol.
java.lang.String	addSymbol(java.lang.String symbol) Adds the specified symbol to the symbol table and returns a reference to the unique symbol.
boolean	containsSymbol(char[] buffer, int offset, int length) Returns true if the symbol table already contains the specified symbol.
boolean	containsSymbol(java.lang.String symbol) Returns true if the symbol table already contains the specified symbol.

Methods inherited from class org.apache.xerces.util.SymbolTable

hash, hash, rehash

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

fSymbolTable

protected SymbolTable fSymbolTable

Main symbol table.

Constructor Detail

SynchronizedSymbolTable

public SynchronizedSymbolTable(SymbolTable symbolTable)

Constructs a synchronized symbol table.

SynchronizedSymbolTable

public SynchronizedSymbolTable()

SynchronizedSymbolTable

public SynchronizedSymbolTable(int size)

Method Detail

addSymbol

public java.lang.String addSymbol(java.lang.String symbol)

Adds the specified symbol to the symbol table and returns a reference to the unique symbol. If the symbol already exists, the previous symbol reference is returned instead, in order guarantee that symbol references remain unique.

Overrides:

addSymbol in class SymbolTable

Parameters:

symbol - The new symbol.

addSymbol

public java.lang.String addSymbol(char[] buffer,
                                  int offset,
                                  int length)

Adds the specified symbol to the symbol table and returns a reference to the unique symbol. If the symbol already exists, the previous symbol reference is returned instead, in order guarantee that symbol references remain unique.

Overrides:

addSymbol in class SymbolTable

Parameters:

buffer - The buffer containing the new symbol.

offset - The offset into the buffer of the new symbol.

length - The length of the new symbol in the buffer.

containsSymbol

public boolean containsSymbol(java.lang.String symbol)

Returns true if the symbol table already contains the specified symbol.

Overrides:

containsSymbol in class SymbolTable

Parameters:

symbol - The symbol to look for.

containsSymbol

public boolean containsSymbol(char[] buffer,
                              int offset,
                              int length)

Returns true if the symbol table already contains the specified symbol.

Overrides:

containsSymbol in class SymbolTable

Parameters:

buffer - The buffer containing the symbol to look for.

offset - The offset into the buffer.

length - The length of the symbol in the buffer.