+++ /dev/null
-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;
-
-/**
- * <p>Base class for Locking implementation. {@link Directory} uses
- * instances of this class to implement locking.</p>
- *
- * <p>Note that there are some useful tools to verify that
- * your LockFactory is working correctly: {@link
- * VerifyingLockFactory}, {@link LockStressTest}, {@link
- * LockVerifyServer}.</p>
- *
- * @see LockVerifyServer
- * @see LockStressTest
- * @see VerifyingLockFactory
- */
-
-public abstract class LockFactory {
-
- protected String lockPrefix = null;
-
- /**
- * Set the prefix in use for all locks created in this
- * LockFactory. This is normally called once, when a
- * Directory gets this LockFactory instance. However, you
- * can also call this (after this instance is assigned to
- * a Directory) to override the prefix in use. This
- * is helpful if you're running Lucene on machines that
- * have different mount points for the same shared
- * directory.
- */
- public void setLockPrefix(String lockPrefix) {
- this.lockPrefix = lockPrefix;
- }
-
- /**
- * Get the prefix in use for all locks created in this LockFactory.
- */
- public String getLockPrefix() {
- return this.lockPrefix;
- }
-
- /**
- * Return a new Lock instance identified by lockName.
- * @param lockName name of the lock to be created.
- */
- public abstract Lock makeLock(String lockName);
-
- /**
- * Attempt to clear (forcefully unlock and remove) the
- * specified lock. Only call this at a time when you are
- * certain this lock is no longer in use.
- * @param lockName name of the lock to be cleared.
- */
- abstract public void clearLock(String lockName) throws IOException;
-}