com.orientechnologies.orient.core.index.OIndexUnique Maven / Gradle / Ivy
/*
*
* * Copyright 2010-2016 OrientDB LTD (http://orientdb.com)
* *
* * 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.
* *
* * For more information: http://orientdb.com
*
*/
package com.orientechnologies.orient.core.index;
import com.orientechnologies.orient.core.exception.OInvalidIndexEngineIdException;
import com.orientechnologies.orient.core.id.ORID;
import com.orientechnologies.orient.core.index.engine.OBaseIndexEngine;
import com.orientechnologies.orient.core.record.impl.ODocument;
import com.orientechnologies.orient.core.storage.ORecordDuplicatedException;
import com.orientechnologies.orient.core.storage.impl.local.OAbstractPaginatedStorage;
import com.orientechnologies.orient.core.tx.OTransactionIndexChangesPerKey;
/**
* Index implementation that allows only one value for a key.
*
* @author Luca Garulli (l.garulli--(at)--orientdb.com)
*/
public class OIndexUnique extends OIndexOneValue {
private final OBaseIndexEngine.Validator