org.xnio.channels.WritableMessageChannel Maven / Gradle / Ivy

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This artifact provides a single jar that contains all classes required to use remote EJB and JMS, including all dependencies. It is intended for use by those not using maven, maven users should just import the EJB and JMS BOM's instead (shaded JAR's cause lots of problems with maven, as it is very easy to inadvertently end up with different versions on classes on the class path).

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/*
 * JBoss, Home of Professional Open Source
 *
 * Copyright 2008 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed 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 "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.xnio.channels;

import java.io.IOException;
import java.nio.ByteBuffer;
import org.xnio.ChannelListener;

/**
 * A channel that can send messages.
 */
public interface WritableMessageChannel extends SuspendableWriteChannel, Configurable {
    /**
     * Send a complete message.
     *
     * @param buffer the message to send
     * @return the result of the send operation; {@code true} if the message was sent, or {@code false} if it would block
     * @throws IOException if an I/O error occurs
     */
    boolean send(ByteBuffer buffer) throws IOException;

    /**
     * Send a complete message.
     *
     * @param buffers the buffers holding the message to send
     * @return the result of the send operation; {@code true} if the message was sent, or {@code false} if it would block
     * @throws IOException if an I/O error occurs
     */
    boolean send(ByteBuffer[] buffers) throws IOException;

    /**
     * Send a complete message.
     *
     * @param buffers the buffers holding the message to send
     * @param offs the offset into the buffer array of the first buffer
     * @param len the number of buffers that contain data to send
     * @return the result of the send operation; {@code true} if the message was sent, or {@code false} if it would block
     * @throws IOException if an I/O error occurs
     */
    boolean send(ByteBuffer[] buffers, int offs, int len) throws IOException;

    /**
     * Send a complete message. If the message was successfully sent the channel with have its writes shutdown.
     *
     * @param buffer the message to send
     * @return the result of the send operation; {@code true} if the message was sent, or {@code false} if it would block
     * @throws IOException if an I/O error occurs
     */
    boolean sendFinal(ByteBuffer buffer) throws IOException;

    /**
     * Send a complete message. If the message was successfully sent the channel with have its writes shutdown.
     *
     * @param buffers the buffers holding the message to send
     * @return the result of the send operation; {@code true} if the message was sent, or {@code false} if it would block
     * @throws IOException if an I/O error occurs
     */
    boolean sendFinal(ByteBuffer[] buffers) throws IOException;

    /**
     * Send a complete message. If the message was successfully sent the channel with have its writes shutdown.
     *
     * @param buffers the buffers holding the message to send
     * @param offs the offset into the buffer array of the first buffer
     * @param len the number of buffers that contain data to send
     * @return the result of the send operation; {@code true} if the message was sent, or {@code false} if it would block
     * @throws IOException if an I/O error occurs
     */
    boolean sendFinal(ByteBuffer[] buffers, int offs, int len) throws IOException;

    /** {@inheritDoc} */
    ChannelListener.Setter getWriteSetter();

    /** {@inheritDoc} */
    ChannelListener.Setter getCloseSetter();
}