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 /*-
  * See the file LICENSE for redistribution information.
  *
  * Copyright (c) 2000, 2010 Oracle and/or its affiliates.  All rights reserved.
  *
  */
 
 package com.sleepycat.bind.tuple;
 
A concrete TupleBinding for a Character primitive wrapper or a char primitive.

There are two ways to use this class:

  1. When using the com.sleepycat.je package directly, the static methods in this class can be used to convert between primitive values and com.sleepycat.je.DatabaseEntry objects.
  2. When using the com.sleepycat.collections package, an instance of this class can be used with any stored collection. The easiest way to obtain a binding instance is with the TupleBinding.getPrimitiveBinding(java.lang.Class) method.

See also:
Integer Formats
public class CharacterBinding extends TupleBinding<Character> {
    private static final int CHAR_SIZE = 2;
    // javadoc is inherited
    public Character entryToObject(TupleInput input) {
        return input.readChar();
    }
    // javadoc is inherited
    public void objectToEntry(Character objectTupleOutput output) {
        output.writeChar(object);
    }
    // javadoc is inherited
    protected TupleOutput getTupleOutput(Character object) {
        return sizedOutput();
    }

    
Converts an entry buffer into a simple char value.

Parameters:
entry is the source entry buffer.
Returns:
the resulting value.
    public static char entryToChar(DatabaseEntry entry) {
        return entryToInput(entry).readChar();
    }

    
Converts a simple char value into an entry buffer.

Parameters:
val is the source value.
entry is the destination entry buffer.
    public static void charToEntry(char valDatabaseEntry entry) {
        outputToEntry(sizedOutput().writeChar(val), entry);
    }

    
Returns a tuple output object of the exact size needed, to avoid wasting space when a single primitive is output.
    private static TupleOutput sizedOutput() {
        return new TupleOutput(new byte[]);
    }
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