/*
* 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.catalina.tribes.transport;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import org.apache.catalina.tribes.Member;
public class SenderState {
public static final int READY = 0;
public static final int SUSPECT = 1;
public static final int FAILING = 2;
protected static final ConcurrentMap<Member,SenderState> memberStates = new ConcurrentHashMap<>();
public static SenderState getSenderState(Member member) {
return getSenderState(member, true);
}
public static SenderState getSenderState(Member member, boolean create) {
SenderState state = memberStates.get(member);
if (state == null && create) {
state = new SenderState();
SenderState current = memberStates.putIfAbsent(member, state);
if (current != null) {
state = current;
}
}
return state;
}
public static void removeSenderState(Member member) {
memberStates.remove(member);
}
// ----------------------------------------------------- Instance Variables
private volatile int state;
// ----------------------------------------------------- Constructor
private SenderState() {
this(READY);
}
private SenderState(int state) {
this.state = state;
}
public boolean isSuspect() {
return (state == SUSPECT) || (state == FAILING);
}
public void setSuspect() {
state = SUSPECT;
}
public boolean isReady() {
return state == READY;
}
public void setReady() {
state = READY;
}
public boolean isFailing() {
return state == FAILING;
}
public void setFailing() {
state = FAILING;
}
// ----------------------------------------------------- Public Properties
}