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Lucene example source code file (MockLockFactoryWrapper.java)

This example Lucene source code file (MockLockFactoryWrapper.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Lucene tags/keywords

io, ioexception, ioexception, lock, lockfactory, lockfactory, mockdirectorywrapper, mocklock, mocklockfactorywrapper, override, override, string, string

The Lucene MockLockFactoryWrapper.java source code

package org.apache.lucene.store;

/**
 * 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 java.io.IOException;

public class MockLockFactoryWrapper extends LockFactory {
  MockDirectoryWrapper dir;
  LockFactory delegate;
  
  public MockLockFactoryWrapper(MockDirectoryWrapper dir, LockFactory delegate) {
    this.dir = dir;
    this.delegate = delegate;
  }
  
  @Override
  public void setLockPrefix(String lockPrefix) {
    delegate.setLockPrefix(lockPrefix);
  }

  @Override
  public String getLockPrefix() {
    return delegate.getLockPrefix();
  }

  @Override
  public Lock makeLock(String lockName) {
    return new MockLock(delegate.makeLock(lockName), lockName);
  }

  @Override
  public void clearLock(String lockName) throws IOException {
    delegate.clearLock(lockName);
    dir.openLocks.remove(lockName);
  }
  
  @Override
  public String toString() {
    return "MockLockFactoryWrapper(" + delegate.toString() + ")";
  }

  private class MockLock extends Lock {
    private Lock delegateLock;
    private String name;
    
    MockLock(Lock delegate, String name) {
      this.delegateLock = delegate;
      this.name = name;
    }

    @Override
    public boolean obtain() throws IOException {
      if (delegateLock.obtain()) {
        dir.openLocks.add(name);
        return true;
      } else {
        return false;
      }
    }

    @Override
    public void release() throws IOException {
      delegateLock.release();
      dir.openLocks.remove(name);
    }

    @Override
    public boolean isLocked() throws IOException {
      return delegateLock.isLocked();
    }
  }
}

Other Lucene examples (source code examples)

Here is a short list of links related to this Lucene MockLockFactoryWrapper.java source code file:

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