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## 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 447241 2006-09-18 05:12:57Z mrglavas $
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
`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.

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