| /* |
| * 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.geode.cache.query.internal; |
| |
| import org.apache.geode.cache.query.CqState; |
| |
| /** |
| * Offers methods to get CQ state. |
| * |
| * @since GemFire 5.5 |
| */ |
| |
| public class CqStateImpl implements CqState { |
| |
| public static final int STOPPED = 0; |
| |
| public static final int RUNNING = 1; |
| |
| public static final int CLOSED = 2; |
| |
| public static final int CLOSING = 3; |
| |
| public static final int INIT = 4; |
| |
| private volatile int state = INIT; |
| |
| |
| /** |
| * Returns true if the CQ is in Running state. |
| */ |
| @Override |
| public boolean isRunning() { |
| return (this.state == RUNNING); |
| } |
| |
| /** |
| * Returns true if the CQ is in Stopped or Initializing state. |
| */ |
| @Override |
| public boolean isStopped() { |
| return (this.state == STOPPED || this.state == INIT); |
| } |
| |
| /** |
| * Returns true if the CQ is in Closed state. |
| */ |
| @Override |
| public boolean isClosed() { |
| return (this.state == CLOSED); |
| } |
| |
| /** |
| * Returns true if the CQ is in the Closing state. |
| */ |
| @Override |
| public boolean isClosing() { |
| return (this.state == CLOSING); |
| } |
| |
| /** |
| * Sets the state of CQ. |
| * |
| */ |
| public void setState(int state) { |
| this.state = state; |
| } |
| |
| /** |
| * Returns the integer state of CQ. |
| */ |
| public int getState() { |
| return this.state; |
| } |
| |
| /** |
| * Returns the state in string form. |
| */ |
| @Override |
| public String toString() { |
| switch (this.state) { |
| case STOPPED: |
| return "STOPPED"; |
| case RUNNING: |
| return "RUNNING"; |
| case CLOSED: |
| return "CLOSED"; |
| default: |
| return "UNKNOWN"; |
| } |
| } |
| |
| } |