/** * Copyright 2012 Anjuke Inc. * * 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 com.anjuke.romar.mahout.similarity.file; import java.io.BufferedOutputStream; import java.io.DataOutputStream; import java.io.IOException; import java.io.OutputStream; class DataFileWriter implements SimilarityFileWriter { private final DataOutputStream _outputStream; DataFileWriter(OutputStream os) { super(); this._outputStream = new DataOutputStream(new BufferedOutputStream(os)); } @Override public void write(long id1, long id2, double similairty) throws IOException { _outputStream.writeLong(id1); _outputStream.writeLong(id2); _outputStream.writeDouble(similairty); } @Override public void close() throws IOException { _outputStream.flush(); _outputStream.close(); } }