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

Nested Class Summary

Nested classes/interfaces 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

TABLE_SIZE, fBuckets, fCount, fLoadFactor, fTableSize, fThreshold

Constructor Summary

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

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.

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

addSymbol, addSymbol, containsSymbol, containsSymbol, hash, hash, rehash

Field Details

fSymbolTable

protected SymbolTable fSymbolTable
Main symbol table.

Constructor Details

SynchronizedSymbolTable

public SynchronizedSymbolTable()

SynchronizedSymbolTable

public SynchronizedSymbolTable(int size)

SynchronizedSymbolTable

public SynchronizedSymbolTable(SymbolTable symbolTable)
Constructs a synchronized symbol table.

Method Details

addSymbol

public String addSymbol(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 interface SymbolTable
Parameters:
symbol - The new symbol.

addSymbol

public 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 interface 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(String symbol)
Returns true if the symbol table already contains the specified symbol.
Overrides:
containsSymbol in interface 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 interface 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.

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