org.apache.mina.transport.socket.AbstractDatagramSessionConfig Maven / Gradle / Ivy
/*
* 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.mina.transport.socket;
import org.apache.mina.core.session.AbstractIoSessionConfig;
import org.apache.mina.core.session.IoSessionConfig;
/**
* The Datagram transport session configuration.
*
* @author Apache MINA Project
*/
public abstract class AbstractDatagramSessionConfig extends AbstractIoSessionConfig implements DatagramSessionConfig {
/** Tells if we should close the session if the port is unreachable. Default to true */
private boolean closeOnPortUnreachable = true;
/**
* {@inheritDoc}
*/
@Override
public void setAll(IoSessionConfig config) {
super.setAll(config);
if (!(config instanceof DatagramSessionConfig)) {
return;
}
if (config instanceof AbstractDatagramSessionConfig) {
// Minimize unnecessary system calls by checking all 'propertyChanged' properties.
AbstractDatagramSessionConfig cfg = (AbstractDatagramSessionConfig) config;
if (cfg.isBroadcastChanged()) {
setBroadcast(cfg.isBroadcast());
}
if (cfg.isReceiveBufferSizeChanged()) {
setReceiveBufferSize(cfg.getReceiveBufferSize());
}
if (cfg.isReuseAddressChanged()) {
setReuseAddress(cfg.isReuseAddress());
}
if (cfg.isSendBufferSizeChanged()) {
setSendBufferSize(cfg.getSendBufferSize());
}
if (cfg.isTrafficClassChanged() && getTrafficClass() != cfg.getTrafficClass()) {
setTrafficClass(cfg.getTrafficClass());
}
} else {
DatagramSessionConfig cfg = (DatagramSessionConfig) config;
setBroadcast(cfg.isBroadcast());
setReceiveBufferSize(cfg.getReceiveBufferSize());
setReuseAddress(cfg.isReuseAddress());
setSendBufferSize(cfg.getSendBufferSize());
if (getTrafficClass() != cfg.getTrafficClass()) {
setTrafficClass(cfg.getTrafficClass());
}
}
}
/**
* @return true if and only if the broadcast property
* has been changed by its setter method. The system call related with
* the property is made only when this method returns true. By
* default, this method always returns true to simplify implementation
* of subclasses, but overriding the default behavior is always encouraged.
*/
protected boolean isBroadcastChanged() {
return true;
}
/**
* @return true if and only if the receiveBufferSize property
* has been changed by its setter method. The system call related with
* the property is made only when this method returns true. By
* default, this method always returns true to simplify implementation
* of subclasses, but overriding the default behavior is always encouraged.
*/
protected boolean isReceiveBufferSizeChanged() {
return true;
}
/**
* @return true if and only if the reuseAddress property
* has been changed by its setter method. The system call related with
* the property is made only when this method returns true. By
* default, this method always returns true to simplify implementation
* of subclasses, but overriding the default behavior is always encouraged.
*/
protected boolean isReuseAddressChanged() {
return true;
}
/**
* @return true if and only if the sendBufferSize property
* has been changed by its setter method. The system call related with
* the property is made only when this method returns true. By
* default, this method always returns true to simplify implementation
* of subclasses, but overriding the default behavior is always encouraged.
*/
protected boolean isSendBufferSizeChanged() {
return true;
}
/**
* @return true if and only if the trafficClass property
* has been changed by its setter method. The system call related with
* the property is made only when this method returns true. By
* default, this method always returns true to simplify implementation
* of subclasses, but overriding the default behavior is always encouraged.
*/
protected boolean isTrafficClassChanged() {
return true;
}
/**
* {@inheritDoc}
*/
@Override
public boolean isCloseOnPortUnreachable() {
return closeOnPortUnreachable;
}
/**
* {@inheritDoc}
*/
@Override
public void setCloseOnPortUnreachable(boolean closeOnPortUnreachable) {
this.closeOnPortUnreachable = closeOnPortUnreachable;
}
}