/*
* 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.project.taskfactory;
import org.gradle.api.internal.TaskInternal;
import org.gradle.api.internal.changedetection.TaskArtifactState;
import org.gradle.api.internal.changedetection.TaskArtifactStateRepository;
import org.gradle.api.internal.tasks.TaskExecuter;
import org.gradle.api.internal.tasks.TaskStateInternal;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class ExecutionShortCircuitTaskExecuter implements TaskExecuter {
private static final Logger LOGGER = LoggerFactory.getLogger(ExecutionShortCircuitTaskExecuter.class);
private final TaskExecuter executer;
private final TaskArtifactStateRepository repository;
public ExecutionShortCircuitTaskExecuter(TaskExecuter executer, TaskArtifactStateRepository repository) {
this.executer = executer;
this.repository = repository;
}
public void execute(TaskInternal task, TaskStateInternal state) {
LOGGER.debug("Determining if {} is up-to-date", task);
TaskArtifactState taskArtifactState = repository.getStateFor(task);
if (taskArtifactState.isUpToDate()) {
LOGGER.debug("{} is up-to-date", task);
state.upToDate();
return;
}
LOGGER.debug("{} is not up-to-date", task);
task.getOutputs().setHistory(taskArtifactState);
try {
executer.execute(task, state);
if (state.getFailure() == null) {
taskArtifactState.update();
}
} finally {
task.getOutputs().setHistory(null);
}
}
}