com.orientechnologies.orient.core.index.OIndexNotUnique Maven / Gradle / Ivy
/*
*
* * Copyright 2014 Orient Technologies LTD (info(at)orientechnologies.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://www.orientechnologies.com
*
*/
package com.orientechnologies.orient.core.index;
import java.util.Set;
import com.orientechnologies.orient.core.db.record.OIdentifiable;
import com.orientechnologies.orient.core.record.impl.ODocument;
/**
* Index implementation that allows multiple values for the same key.
*
* @author Luca Garulli
*
*/
public class OIndexNotUnique extends OIndexMultiValues {
public OIndexNotUnique(String typeId, String algorithm, OIndexEngine> engine, String valueContainerAlgorithm, ODocument metadata) {
super(typeId, algorithm, engine, valueContainerAlgorithm, metadata);
}
public boolean canBeUsedInEqualityOperators() {
return true;
}
@Override
public boolean supportsOrderedIterations() {
return indexEngine.hasRangeQuerySupport();
}
}