org.apache.activemq.transport.udp.CommandChannelSupport Maven / Gradle / Ivy
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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 "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.apache.activemq.transport.udp;
import java.io.IOException;
import java.net.SocketAddress;
import org.apache.activemq.command.Command;
import org.apache.activemq.openwire.OpenWireFormat;
import org.apache.activemq.transport.reliable.ReplayBuffer;
import org.apache.activemq.util.IntSequenceGenerator;
/**
*
*
*/
public abstract class CommandChannelSupport implements CommandChannel {
protected OpenWireFormat wireFormat;
protected int datagramSize = 4 * 1024;
protected SocketAddress targetAddress;
protected SocketAddress replayAddress;
protected final String name;
protected final IntSequenceGenerator sequenceGenerator;
protected DatagramHeaderMarshaller headerMarshaller;
private ReplayBuffer replayBuffer;
public CommandChannelSupport(UdpTransport transport, OpenWireFormat wireFormat, int datagramSize, SocketAddress targetAddress,
DatagramHeaderMarshaller headerMarshaller) {
this.wireFormat = wireFormat;
this.datagramSize = datagramSize;
this.targetAddress = targetAddress;
this.headerMarshaller = headerMarshaller;
this.name = transport.toString();
this.sequenceGenerator = transport.getSequenceGenerator();
this.replayAddress = targetAddress;
if (sequenceGenerator == null) {
throw new IllegalArgumentException("No sequenceGenerator on the given transport: " + transport);
}
}
public void write(Command command) throws IOException {
write(command, targetAddress);
}
// Properties
// -------------------------------------------------------------------------
public int getDatagramSize() {
return datagramSize;
}
/**
* Sets the default size of a datagram on the network.
*/
public void setDatagramSize(int datagramSize) {
this.datagramSize = datagramSize;
}
public SocketAddress getTargetAddress() {
return targetAddress;
}
public void setTargetAddress(SocketAddress targetAddress) {
this.targetAddress = targetAddress;
}
public SocketAddress getReplayAddress() {
return replayAddress;
}
public void setReplayAddress(SocketAddress replayAddress) {
this.replayAddress = replayAddress;
}
public String toString() {
return "CommandChannel#" + name;
}
public DatagramHeaderMarshaller getHeaderMarshaller() {
return headerMarshaller;
}
public void setHeaderMarshaller(DatagramHeaderMarshaller headerMarshaller) {
this.headerMarshaller = headerMarshaller;
}
public ReplayBuffer getReplayBuffer() {
return replayBuffer;
}
public void setReplayBuffer(ReplayBuffer replayBuffer) {
this.replayBuffer = replayBuffer;
}
}