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Diffstat (limited to 'branches/sca-java-integration/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/AbstractLifecycle.java')
-rw-r--r-- | branches/sca-java-integration/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/AbstractLifecycle.java | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/branches/sca-java-integration/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/AbstractLifecycle.java b/branches/sca-java-integration/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/AbstractLifecycle.java new file mode 100644 index 0000000000..e8597a55fc --- /dev/null +++ b/branches/sca-java-integration/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/AbstractLifecycle.java @@ -0,0 +1,77 @@ +/* + * 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.tuscany.spi; + +/** + * Base class providing a simple implementation of Lifecycle. + * + * @version $Rev$ $Date$ + */ +public abstract class AbstractLifecycle implements Lifecycle { + protected volatile int lifecycleState = UNINITIALIZED; + + public int getLifecycleState() { + return lifecycleState; + } + + /** + * Set the current state of the Lifecycle. + * + * @param lifecycleState the new state + */ + protected void setLifecycleState(int lifecycleState) { + this.lifecycleState = lifecycleState; + } + + public void start() { + setLifecycleState(RUNNING); + } + + public void stop() { + setLifecycleState(STOPPED); + } + + /** + * Returns the current lifecycle as a String (for example, "RUNNING"). + * + * @return the current lifecycle as a String + */ + public String toString() { + switch (lifecycleState) { + case Lifecycle.CONFIG_ERROR: + return "CONFIG_ERROR"; + case Lifecycle.ERROR: + return "ERROR"; + case Lifecycle.INITIALIZING: + return "INITIALIZING"; + case Lifecycle.INITIALIZED: + return "INITIALIZED"; + case Lifecycle.RUNNING: + return "RUNNING"; + case Lifecycle.STOPPING: + return "STOPPING"; + case Lifecycle.STOPPED: + return "STOPPED"; + case Lifecycle.UNINITIALIZED: + return "UNINITIALIZED"; + default: + return "UNKNOWN"; + } + } +} |