| /* |
| * 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.apache.ignite.internal.processors.igfs.meta; |
| |
| import java.io.Externalizable; |
| import java.io.IOException; |
| import java.io.ObjectInput; |
| import java.io.ObjectOutput; |
| import javax.cache.processor.EntryProcessor; |
| import javax.cache.processor.EntryProcessorException; |
| import javax.cache.processor.MutableEntry; |
| import org.apache.ignite.binary.BinaryObjectException; |
| import org.apache.ignite.binary.BinaryRawReader; |
| import org.apache.ignite.binary.BinaryRawWriter; |
| import org.apache.ignite.binary.BinaryReader; |
| import org.apache.ignite.binary.BinaryWriter; |
| import org.apache.ignite.binary.Binarylizable; |
| import org.apache.ignite.internal.binary.BinaryUtils; |
| import org.apache.ignite.internal.processors.igfs.IgfsEntryInfo; |
| import org.apache.ignite.internal.util.typedef.internal.S; |
| import org.apache.ignite.internal.util.typedef.internal.U; |
| import org.apache.ignite.lang.IgniteUuid; |
| |
| /** |
| * File lock entry processor. |
| */ |
| public class IgfsMetaFileLockProcessor implements EntryProcessor<IgniteUuid, IgfsEntryInfo, IgfsEntryInfo>, |
| Externalizable, Binarylizable { |
| /** */ |
| private static final long serialVersionUID = 0L; |
| |
| /** Lock Id. */ |
| private IgniteUuid lockId; |
| |
| /** |
| * Default constructor. |
| */ |
| public IgfsMetaFileLockProcessor() { |
| // No-op. |
| } |
| |
| /** |
| * Constructor. |
| * |
| * @param lockId Lock ID. |
| */ |
| public IgfsMetaFileLockProcessor(IgniteUuid lockId) { |
| this.lockId = lockId; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public IgfsEntryInfo process(MutableEntry<IgniteUuid, IgfsEntryInfo> entry, Object... args) |
| throws EntryProcessorException { |
| IgfsEntryInfo oldInfo = entry.getValue(); |
| |
| IgfsEntryInfo newInfo = oldInfo.lock(lockId); |
| |
| entry.setValue(newInfo); |
| |
| return newInfo; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void writeExternal(ObjectOutput out) throws IOException { |
| U.writeIgniteUuid(out, lockId); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException { |
| lockId = U.readIgniteUuid(in); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void writeBinary(BinaryWriter writer) throws BinaryObjectException { |
| BinaryRawWriter out = writer.rawWriter(); |
| |
| BinaryUtils.writeIgniteUuid(out, lockId); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void readBinary(BinaryReader reader) throws BinaryObjectException { |
| BinaryRawReader in = reader.rawReader(); |
| |
| lockId = BinaryUtils.readIgniteUuid(in); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String toString() { |
| return S.toString(IgfsMetaFileLockProcessor.class, this); |
| } |
| } |