org.eclipse.aether.named.providers.NoopNamedLockFactory Maven / Gradle / Ivy
/*
* 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.eclipse.aether.named.providers;
import javax.inject.Named;
import javax.inject.Singleton;
import java.util.concurrent.TimeUnit;
import org.eclipse.aether.named.support.NamedLockFactorySupport;
import org.eclipse.aether.named.support.NamedLockSupport;
/**
* A no-op lock factory, that creates no-op locks.
*/
@Singleton
@Named(NoopNamedLockFactory.NAME)
public class NoopNamedLockFactory extends NamedLockFactorySupport {
public static final String NAME = "noop";
@Override
protected NoopNamedLock createLock(final String name) {
return new NoopNamedLock(name, this);
}
private static final class NoopNamedLock extends NamedLockSupport {
private NoopNamedLock(final String name, final NamedLockFactorySupport factory) {
super(name, factory);
}
@Override
protected boolean doLockShared(final long time, final TimeUnit unit) {
return true;
}
@Override
protected boolean doLockExclusively(final long time, final TimeUnit unit) {
return true;
}
@Override
protected void doUnlock() {
// no-op
}
}
}