/**

  * Free Telco Dictionary

  * Copyright © 2013 František Kučera (frantovo.cz)

  *

  * This program is free software: you can redistribute it and/or modify

  * it under the terms of the GNU General Public License as published by

  * the Free Software Foundation, version 3 of the License.

  *

  * This program is distributed in the hope that it will be useful,

  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

  * GNU General Public License for more details.

  *

  * You should have received a copy of the GNU General Public License

  * along with this program. If not, see <http://www.gnu.org/licenses/>.

  */

 package cz.frantovo.telco.dictionary;

 import java.io.DataOutputStream;

 import java.io.IOException;

 import java.nio.charset.StandardCharsets;

 import java.util.Objects;

 /**

  * Represents one item in StarDict synonyms file (.syn)

  * links the synonym term (string) to the position of the base term in index file

  * 

  * @author Ing. František Kučera (frantovo.cz)

  */

 public class SynonymsEntry implements Comparable<SynonymsEntry> {

 	private IndexEntry base;

 	private String name;

 	public SynonymsEntry(IndexEntry base, String name) {

 		this.base = base;

 		this.name = name;

 	}

 	public void serialize(DataOutputStream synonymOutputStream) throws IOException {

 		synonymOutputStream.write(name.getBytes(StandardCharsets.UTF_8));

 		synonymOutputStream.write(0);

 		synonymOutputStream.writeInt((int) base.getOrdinal()); // unsigned int 32

 	}

 	@Override

 	public int compareTo(SynonymsEntry o) {

 		int nameDiff = name.compareTo(o.name);

 		if (nameDiff == 0) {

 			return base.compareTo(o.base);

 		} else {

 			return nameDiff;

 		}

 	}

 	@Override

 	public boolean equals(Object o) {

 		return o instanceof IndexEntry && compareTo((SynonymsEntry) o) == 0;

 	}

 	@Override

 	public int hashCode() {

 		int hash = 3;

 		hash = 47 * hash + Objects.hashCode(this.base);

 		hash = 47 * hash + Objects.hashCode(this.name);

 		return hash;

 	}

 }