/*
* Copyright 2010 the original author or authors.
*
* 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.gradle.api.internal.tasks.execution;
import org.gradle.api.internal.TaskInternal;
import org.gradle.api.internal.tasks.TaskExecuter;
import org.gradle.api.internal.tasks.TaskExecutionContext;
import org.gradle.api.internal.tasks.TaskStateInternal;
import org.gradle.api.logging.Logger;
import org.gradle.api.logging.Logging;
/**
* A {@link org.gradle.api.internal.tasks.TaskExecuter} which will execute a task once only.
*/
public class ExecuteAtMostOnceTaskExecuter implements TaskExecuter {
private static final Logger LOGGER = Logging.getLogger(ExecuteAtMostOnceTaskExecuter.class);
private final TaskExecuter executer;
public ExecuteAtMostOnceTaskExecuter(TaskExecuter executer) {
this.executer = executer;
}
public void execute(TaskInternal task, TaskStateInternal state, TaskExecutionContext context) {
if (state.getExecuted()) {
return;
}
LOGGER.debug("Starting to execute {}", task);
try {
executer.execute(task, state, context);
} finally {
LOGGER.debug("Finished executing {}", task);
}
}
}