org.apache.xerces.util

Class 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

Field Summary
protected SymbolTable	fSymbolTable Main symbol table.

Constructor Summary
	SynchronizedSymbolTable(SymbolTable symbolTable) Constructs a synchronized symbol table.
	SynchronizedSymbolTable()
	SynchronizedSymbolTable(int size)

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

Field Detail

fSymbolTable

protected SymbolTable fSymbolTable

Main symbol table.

Constructor Detail

SynchronizedSymbolTable

public SynchronizedSymbolTable(SymbolTable symbolTable)

Constructs a synchronized symbol table.

SynchronizedSymbolTable

public SynchronizedSymbolTable(int size)

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.

Parameters: symbol The new symbol.

addSymbol

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

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(String symbol)

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

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.

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.