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Java 2 Platform SE v1.3.1: Class ByteHolder
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JavaTM 2 Platform
Std. Ed. v1.3.1
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org.omg.CORBA
Class ByteHolder

java.lang.Object
  |
  +--org.omg.CORBA.ByteHolder
All Implemented Interfaces:
Streamable
public final class ByteHolder
extends Object
implements Streamable

A Holder class for a byte that is used to store "out" and "inout" parameters in IDL methods. If an IDL method signature has an IDL octet as an "out" or "inout" parameter, the programmer must pass an instance of ByteHolder as the corresponding parameter in the method invocation; for "inout" parameters, the programmer must also fill the "in" value to be sent to the server. Before the method invocation returns, the ORB will fill in the value corresponding to the "out" value returned from the server.

If myByteHolder is an instance of ByteHolder, the value stored in its value field can be accessed with myByteHolder.value.

Since:
JDK1.2

Field Summary
 byte value
          The byte value held by this ByteHolder object.
 
Constructor Summary
ByteHolder()
          Constructs a new ByteHolder object with its value field initialized to 0.
ByteHolder(byte initial)
          Constructs a new ByteHolder object for the given byte.
 
Method Summary
 void _read(InputStream input)
          Reads from input and initalizes the value in this ByteHolder object with the unmarshalled data.
 TypeCode _type()
          Returns the TypeCode corresponding to the value held in this ByteHolder object.
 void _write(OutputStream output)
          Marshals to output the value in this ByteHolder object.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

value

public byte value
The byte value held by this ByteHolder object.
Constructor Detail

ByteHolder

public ByteHolder()
Constructs a new ByteHolder object with its value field initialized to 0.

ByteHolder

public ByteHolder(byte initial)
Constructs a new ByteHolder object for the given byte.
Parameters:
initial - the byte with which to initialize the value field of the new ByteHolder object
Method Detail

_read

public void _read(InputStream input)
Reads from input and initalizes the value in this ByteHolder object with the unmarshalled data.
Specified by:
_read in interface Streamable
Parameters:
input - the InputStream containing CDR formatted data from the wire.

_write

public void _write(OutputStream output)
Marshals to output the value in this ByteHolder object.
Specified by:
_write in interface Streamable
Parameters:
output - the OutputStream which will contain the CDR formatted data.

_type

public TypeCode _type()
Returns the TypeCode corresponding to the value held in this ByteHolder object.
Specified by:
_type in interface Streamable
Returns:
the TypeCode of the value held in this ByteHolder object
Overview  Package   Class  Use  Tree  Deprecated  Index  Help 
JavaTM 2 Platform
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Submit a bug or feature
For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

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