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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
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 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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package com.sun.star.lib.uno.environments.remote;

import com.sun.star.uno.IMethodDescription;
import com.sun.star.uno.ITypeDescription;
import com.sun.star.uno.XCurrentContext;

/**
   A remote request or reply message.
*/
public class Message {
    public Message(
        ThreadId threadId, boolean request, String objectId,
        ITypeDescription type, IMethodDescription method, boolean synchronous,
        XCurrentContext currentContext, boolean abnormalTermination,
        Object result, Object[] arguments)
    {
        this.threadId = threadId;
        this.request = request;
        this.objectId = objectId;
        this.type = type;
        this.method = method;
        this.synchronous = synchronous;
        this.currentContext = currentContext;
        this.abnormalTermination = abnormalTermination;
        this.result = result;
        this.arguments = arguments;
    }

    /**
       Returns the thread ID of the message.

       <p>Valid for all kinds of messages.</p>

       @return the (non-<code>null</code>) thread ID
    */
    public final ThreadId getThreadId() {
        return threadId;
    }

    /**
       Returns whether the message is a request or a reply.

       <p>Valid for all kinds of messages.</p>

       @return <code>true</code> for a request, <code>false</code> for a reply
    */
    public final boolean isRequest() {
        return request;
    }

    /**
       Returns the object ID of a request message.

       <p>Valid only for request messages.</p>

       @return the (non-<code>null</code>) object ID for a request,
       <code>null</code> for a reply
    */
    public final String getObjectId() {
        return objectId;
    }

    /**
       Returns the type of a request message.

       <p>Valid only for request messages.</p>

       @return the (non-<code>null</code>) type for a request, <code>null</code>
       for a reply
    */
    public final ITypeDescription getType() {
        return type;
    }

    /**
       Returns the method description of a request message.

       <p>Valid only for request messages.  The returned
       <code>IMethodDescription</code> is consistent with the type of the
       message.</p>

       @return the (non-<code>null</code>) method description for a request,
       <code>null</code> for a reply
    */
    public final IMethodDescription getMethod() {
        return method;
    }

    /**
       Returns whether the request message is synchronous.

       <p>Valid only for request messages.</p>

       @return <code>true</code> for a synchronous request, <code>false</code>
       for an asynchronous request or a reply
    */
    public final boolean isSynchronous() {
        return synchronous;
    }

    /**
       Returns the current context of a request message.

       <p>Valid only for request messages.</p>

       @return the current context (which may be <code>null</code>) for a
       request, <code>null</code> for a reply
    */
    public XCurrentContext getCurrentContext() {
        return currentContext;
    }

    /**
       Returns whether the reply message represents abnormal termination.

       <p>Valid only for reply messages.</p>

       @return <code>true</code> for a reply that represents abnormal
       termination, <code>false</code> for a reply that represents normal
       termination or a request
    */
    public final boolean isAbnormalTermination() {
        return abnormalTermination;
    }

    /**
       Returns the result of a reply message.

       <p>Valid only for reply messages.</p>

       @return any (possibly <code>null</code>) return value for a reply that
       represents normal termination, the (non-<code>null</code>) exception for
       a reply that represents abnormal termination, <code>null</code> for a
       request
    */
    public final Object getResult() {
        return result;
    }

    /**
       Returns the arguments of a message.

       <p>Valid only for request messages and reply messages that represent
       normal termination.  Any returned array must not be modified.</p>

       @return the in and in&ndash {
    }out arguments for a request (possibly
       <code>null</code> for a paramterless function), the out and in&dash {
    }out
       arguments for a reply that represents normal termination (possibly
       <code>null</code> for a parameterless function), <code>null</code> for a
       reply that represents abnormal termination
    */
    public final Object[] getArguments() {
        return arguments;
    }

    private final ThreadId threadId;
    private final boolean request;
    private final String objectId;
    private final ITypeDescription type;
    private final IMethodDescription method;
    private final boolean synchronous;
    private final XCurrentContext currentContext;
    private final boolean abnormalTermination;
    private final Object result;
    private final Object[] arguments;
}