/*
* Copyright 2011 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.tooling.internal.consumer.loader;
import org.gradle.initialization.BuildCancellationToken;
import org.gradle.internal.classpath.ClassPath;
import org.gradle.internal.concurrent.CompositeStoppable;
import org.gradle.logging.ProgressLoggerFactory;
import org.gradle.tooling.internal.consumer.ConnectionParameters;
import org.gradle.tooling.internal.consumer.Distribution;
import org.gradle.tooling.internal.consumer.connection.ConsumerConnection;
import java.io.Closeable;
import java.util.HashMap;
import java.util.Map;
public class CachingToolingImplementationLoader implements ToolingImplementationLoader, Closeable {
private final ToolingImplementationLoader loader;
private final Map<ClassPath, ConsumerConnection> connections = new HashMap<ClassPath, ConsumerConnection>();
public CachingToolingImplementationLoader(ToolingImplementationLoader loader) {
this.loader = loader;
}
public ConsumerConnection create(Distribution distribution, ProgressLoggerFactory progressLoggerFactory, ConnectionParameters connectionParameters, BuildCancellationToken cancellationToken) {
ClassPath classpath = distribution.getToolingImplementationClasspath(progressLoggerFactory, connectionParameters.getGradleUserHomeDir(), cancellationToken);
ConsumerConnection connection = connections.get(classpath);
if (connection == null) {
connection = loader.create(distribution, progressLoggerFactory, connectionParameters, cancellationToken);
connections.put(classpath, connection);
}
return connection;
}
public void close() {
try {
CompositeStoppable.stoppable(connections.values()).stop();
} finally {
connections.clear();
}
}
}