ice.util.io
Class DataStorage

java.lang.Object
  ice.util.io.DataStorage

public abstract class DataStorage

extends Object

Interface to persistent data storage.

Constructor Summary

DataStorage()

Method Summary

abstract byte[]	get(String dataName) Get data associated with dataName.
void	set(String dataName, byte[] array) Alias to set(dataName, array, 0, array.length);
abstract void	set(String dataName, byte[] array, int offset, int length) Set data associated with dataName.

Methods inherited from class java.lang.Object

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

Constructor Detail

DataStorage

public DataStorage()

Method Detail

get

public abstract byte[] get(String dataName)
                    throws IOException

Get data associated with dataName.

Parameters:

dataName - name of data storage key.

Returns:

data associated with dataName or null if dataName does not exist.

Throws:

IOException

set

public abstract void set(String dataName,
                         byte[] array,
                         int offset,
                         int length)
                  throws IOException

Set data associated with dataName.

Parameters:

dataName - name of data storage key.

array - the data buffer.

offset - start offset of data to set in array.

length - length of data to set.

Throws:

IOException

set

public final void set(String dataName,
                      byte[] array)
               throws IOException

Alias to set(dataName, array, 0, array.length);

Throws:

IOException

See Also:

set(String dataName, byte[] array, int offset, int length)