/*
* Copyright 2004-2009 the original author or authors.
*
* Licensed 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.compass.needle.gigaspaces.store;
import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import net.jini.core.entry.Entry;
/**
* A file bucket entry holds a bucket (part) of the file content.
*
* @author kimchy
*/
public class FileBucketEntry implements Entry, Externalizable {
public String indexName;
public String fileName;
public Long bucketIndex;
public byte[] data;
public FileBucketEntry() {
}
public FileBucketEntry(String indexName, String fileName) {
this.indexName = indexName;
this.fileName = fileName;
}
public FileBucketEntry(String indexName, String fileName, long bucketIndex, byte[] data) {
this.indexName = indexName;
this.fileName = fileName;
this.bucketIndex = bucketIndex;
this.data = data;
}
public String getIndexName() {
return this.indexName;
}
public String getFileName() {
return this.fileName;
}
public byte[] getData() {
return this.data;
}
public void writeExternal(ObjectOutput out) throws IOException {
out.writeUTF(indexName);
if (fileName == null) {
out.writeBoolean(false);
} else {
out.writeBoolean(true);
out.writeUTF(fileName);
}
if (bucketIndex == null) {
out.writeBoolean(false);
} else {
out.writeBoolean(true);
out.writeLong(bucketIndex);
}
if (data == null) {
out.writeInt(0);
} else {
out.writeInt(data.length);
out.write(data);
}
}
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
indexName = in.readUTF();
if (in.readBoolean()) {
fileName = in.readUTF();
}
if (in.readBoolean()) {
bucketIndex = in.readLong();
}
int size = in.readInt();
if (size > 0) {
data = new byte[size];
int index = 0;
while (true) {
int bytesRead = in.read(data, index, size);
if (bytesRead == size) {
break;
}
index += bytesRead;
size -= bytesRead;
}
}
}
public static String[] __getSpaceIndexedFields() {
// bucketIndex is our routing index
// TODO: we might want to have fileName + bucketIndex as the routing index
return new String[]{"bucketIndex", "fileName"};
}
}