org.jsmpp.session.AbstractSessionContext Maven / Gradle / Ivy
/*
* 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.jsmpp.session;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.List;
import org.jsmpp.bean.BindType;
import org.jsmpp.extra.SessionState;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* @author uudashr
*
*/
public abstract class AbstractSessionContext implements SessionContext {
private static final Logger logger = LoggerFactory.getLogger(AbstractSessionContext.class);
private long lastActivityTimestamp;
private List sessionStateListeners = new CopyOnWriteArrayList();
public AbstractSessionContext() {
}
public AbstractSessionContext(SessionStateListener sessionStateListener) {
sessionStateListeners.add(sessionStateListener);
}
public synchronized void open() {
changeState(SessionState.OPEN);
}
public synchronized void bound(BindType bindType) {
if (bindType.equals(BindType.BIND_TX)) {
changeState(SessionState.BOUND_TX);
} else if (bindType.equals(BindType.BIND_RX)) {
changeState(SessionState.BOUND_RX);
} else if (bindType.equals(BindType.BIND_TRX)) {
changeState(SessionState.BOUND_TRX);
} else {
throw new IllegalArgumentException("Bind type " + bindType + " not supported");
}
}
public synchronized void unbound() {
changeState(SessionState.UNBOUND);
}
public synchronized void close() {
changeState(SessionState.CLOSED);
}
public void addSessionStateListener(
SessionStateListener l) {
sessionStateListeners.add(l);
}
public void removeSessionStateListener(SessionStateListener l) {
sessionStateListeners.remove(l);
}
protected void fireStateChanged(SessionState newState,
SessionState oldState, Session source) {
for (SessionStateListener l : sessionStateListeners) {
try {
l.onStateChange(newState, oldState, source);
} catch (Exception e) {
logger.error("Invalid runtime exception thrown when calling onStateChange for " + source, e);
}
}
}
public void notifyActivity() {
lastActivityTimestamp = System.currentTimeMillis();
}
public long getLastActivityTimestamp() {
return lastActivityTimestamp;
}
protected abstract void changeState(SessionState newState);
}
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