| /* |
| * 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.geode.cache.lucene.internal.filesystem; |
| |
| import java.io.DataInput; |
| import java.io.DataOutput; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.nio.file.Files; |
| import java.util.UUID; |
| |
| import org.apache.geode.DataSerializer; |
| import org.apache.geode.InternalGemFireError; |
| import org.apache.geode.internal.serialization.DataSerializableFixedID; |
| import org.apache.geode.internal.serialization.DeserializationContext; |
| import org.apache.geode.internal.serialization.SerializationContext; |
| import org.apache.geode.internal.serialization.Version; |
| |
| /** |
| * A file that is stored in a Apache Geode region. |
| */ |
| public class File implements DataSerializableFixedID { |
| |
| private transient FileSystem fileSystem; |
| private transient int chunkSize; |
| |
| private String name; |
| long length = 0; |
| int chunks = 0; |
| long created = System.currentTimeMillis(); |
| long modified = created; |
| UUID id = UUID.randomUUID(); |
| boolean possiblyRenamed = false; |
| |
| /** |
| * Constructor for serialization only |
| */ |
| public File() {} |
| |
| File(final FileSystem fileSystem, final String name) { |
| setFileSystem(fileSystem); |
| |
| this.name = name; |
| } |
| |
| /** |
| * @return the name |
| */ |
| public String getName() { |
| return name; |
| } |
| |
| /** |
| * @return the length |
| */ |
| public long getLength() { |
| return length; |
| } |
| |
| /** |
| * @return the created |
| */ |
| public long getCreated() { |
| return created; |
| } |
| |
| /** |
| * @return the modified |
| */ |
| public long getModified() { |
| return modified; |
| } |
| |
| /** |
| * Get an input stream that reads from the beginning the file |
| * |
| * The input stream is not threadsafe |
| */ |
| public SeekableInputStream getInputStream() { |
| // TODO get read lock? |
| return new FileInputStream(this); |
| } |
| |
| /** |
| * Get an output stream that appends to the end of the file. |
| */ |
| public OutputStream getOutputStream() { |
| return new FileOutputStream(this); |
| } |
| |
| void setFileSystem(final FileSystem fileSystem) { |
| this.fileSystem = fileSystem; |
| this.chunkSize = FileSystem.CHUNK_SIZE; |
| } |
| |
| int getChunkSize() { |
| return chunkSize; |
| } |
| |
| public FileSystem getFileSystem() { |
| return fileSystem; |
| } |
| |
| @Override |
| public Version[] getSerializationVersions() { |
| return null; |
| } |
| |
| @Override |
| public int getDSFID() { |
| return LUCENE_FILE; |
| } |
| |
| @Override |
| public void toData(DataOutput out, |
| SerializationContext context) throws IOException { |
| DataSerializer.writeString(name, out); |
| out.writeLong(length); |
| out.writeInt(chunks); |
| out.writeLong(created); |
| out.writeLong(modified); |
| out.writeLong(id.getMostSignificantBits()); |
| out.writeLong(id.getLeastSignificantBits()); |
| out.writeBoolean(possiblyRenamed); |
| } |
| |
| @Override |
| public void fromData(DataInput in, |
| DeserializationContext context) throws IOException, ClassNotFoundException { |
| name = DataSerializer.readString(in); |
| length = in.readLong(); |
| chunks = in.readInt(); |
| created = in.readLong(); |
| modified = in.readLong(); |
| long high = in.readLong(); |
| long low = in.readLong(); |
| id = new UUID(high, low); |
| possiblyRenamed = in.readBoolean(); |
| } |
| |
| |
| /** |
| * Export this to a {@link java.io.File} |
| */ |
| public void export(final java.io.File exportLocation) { |
| java.io.File targetFile = new java.io.File(exportLocation, getName()); |
| try { |
| Files.copy(getInputStream(), targetFile.toPath()); |
| } catch (IOException e) { |
| throw new InternalGemFireError("Could not export file " + getName(), e); |
| } |
| } |
| } |