/*
* 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.jackrabbit.mongomk;
import java.io.InputStream;
import org.apache.jackrabbit.mongomk.api.BlobStore;
import org.apache.jackrabbit.mongomk.api.command.Command;
import org.apache.jackrabbit.mongomk.api.command.CommandExecutor;
import org.apache.jackrabbit.mongomk.command.GetBlobLengthCommandMongo;
import org.apache.jackrabbit.mongomk.command.ReadBlobCommandMongo;
import org.apache.jackrabbit.mongomk.command.WriteBlobCommandMongo;
import org.apache.jackrabbit.mongomk.impl.command.CommandExecutorImpl;
public class BlobStoreMongo implements BlobStore {
private final MongoConnection mongoConnection;
private final CommandExecutor commandExecutor;
public BlobStoreMongo(MongoConnection mongoConnection) {
this.mongoConnection = mongoConnection;
this.commandExecutor = new CommandExecutorImpl();
}
@Override
public long getBlobLength(String blobId) throws Exception {
Command<Long> command = new GetBlobLengthCommandMongo(mongoConnection, blobId);
return commandExecutor.execute(command);
}
@Override
public int readBlob(String blobId, long blobOffset, byte[] buffer, int bufferOffset, int length) throws Exception {
Command<Integer> command = new ReadBlobCommandMongo(mongoConnection, blobId, blobOffset, buffer, bufferOffset, length);
return commandExecutor.execute(command);
}
@Override
public String writeBlob(InputStream is) throws Exception {
Command<String> command = new WriteBlobCommandMongo(mongoConnection, is);
return commandExecutor.execute(command);
}
}