| package org.eclipse.aether.internal.impl.synccontext; |
| |
| /* |
| * 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. |
| */ |
| |
| import javax.annotation.PreDestroy; |
| import javax.inject.Inject; |
| import javax.inject.Named; |
| import javax.inject.Singleton; |
| |
| import org.eclipse.aether.RepositorySystemSession; |
| import org.eclipse.aether.SyncContext; |
| import org.eclipse.aether.internal.impl.synccontext.named.NamedLockFactoryAdapter; |
| import org.eclipse.aether.spi.locator.Service; |
| import org.eclipse.aether.spi.locator.ServiceLocator; |
| import org.eclipse.aether.spi.synccontext.SyncContextFactory; |
| |
| import static java.util.Objects.requireNonNull; |
| |
| /** |
| * Default {@link SyncContextFactory} implementation that uses named locks. |
| */ |
| @Singleton |
| @Named |
| public final class DefaultSyncContextFactory |
| implements SyncContextFactory, Service |
| { |
| private NamedLockFactoryAdapter namedLockFactoryAdapter; |
| |
| /** |
| * Constructor used with DI, where factories are injected and selected based on key. |
| */ |
| @Inject |
| public DefaultSyncContextFactory( final NamedLockFactorySelector selector ) |
| { |
| this.namedLockFactoryAdapter = new NamedLockFactoryAdapter( |
| selector.getSelectedNameMapper(), |
| selector.getSelectedNamedLockFactory(), |
| NamedLockFactorySelector.TIME, |
| NamedLockFactorySelector.TIME_UNIT |
| ); |
| } |
| |
| public DefaultSyncContextFactory() |
| { |
| // ctor for ServiceLoader |
| } |
| |
| @Override |
| public void initService( final ServiceLocator locator ) |
| { |
| NamedLockFactorySelector selector = requireNonNull( |
| locator.getService( NamedLockFactorySelector.class ) ); |
| this.namedLockFactoryAdapter = new NamedLockFactoryAdapter( |
| selector.getSelectedNameMapper(), |
| selector.getSelectedNamedLockFactory(), |
| NamedLockFactorySelector.TIME, |
| NamedLockFactorySelector.TIME_UNIT |
| ); |
| } |
| |
| @Override |
| public SyncContext newInstance( final RepositorySystemSession session, final boolean shared ) |
| { |
| requireNonNull( session, "session cannot be null" ); |
| return namedLockFactoryAdapter.newInstance( session, shared ); |
| } |
| |
| @PreDestroy |
| public void shutdown() |
| { |
| namedLockFactoryAdapter.shutdown(); |
| } |
| } |