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Java(TM) 2 Platform, Standard Edition, v1.2.2 API Specification: Class CharHolder - JDK 5 Documentation v1.2.2, Java 2 SDK 英文文档

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org.omg.CORBA
Class CharHolder

java.lang.Object
  |
  +--org.omg.CORBA.CharHolder

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public final class CharHolder

extends Object

implements Streamable

A Holder class for a char that is used to store "out" and "inout" parameters in IDL methods. If an IDL method signature has an IDL char as an "out" or "inout" parameter, the programmer must pass an instance of CharHolder 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 myCharHolder is an instance of CharHolder, the value stored in its value field can be accessed with myCharHolder.value.

Since:

JDK1.2

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Field Summary
char	value           The char value held by this CharHolder object.

 

Constructor Summary

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

CharHolder(char initial)           Constructs a new CharHolder object for the given char.

 

Method Summary
void	_read(InputStream input)           Reads from input and initalizes the value in this CharHolder object with the unmarshalled data.
TypeCode	_type()           Returns the TypeCode object corresponding to the value held in this CharHolder object.
void	_write(OutputStream output)           Marshals to output the value in this CharHolder object.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

value

public char value

The char value held by this CharHolder object.

Constructor Detail

CharHolder

public CharHolder()

Constructs a new CharHolder object with its value field initialized to 0.

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CharHolder

public CharHolder(char initial)

Constructs a new CharHolder object for the given char.

Parameters:

initial - the char with which to initialize the value field of the new CharHolder object

Method Detail

_read

public void _read(InputStream input)

Reads from input and initalizes the value in this CharHolder object with the unmarshalled data.

Specified by:

_read in interface Streamable

Parameters:

input - the InputStream containing CDR formatted data from the wire

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_write

public void _write(OutputStream output)

Marshals to output the value in this CharHolder object.

Specified by:

_write in interface Streamable

Parameters:

output - the OutputStream which will contain the CDR formatted data

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_type

public TypeCode _type()

Returns the TypeCode object corresponding to the value held in this CharHolder object.

Specified by:

_type in interface Streamable

Returns:

the TypeCode of the value held in this CharHolder object

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