com.orientechnologies.orient.core.sql.operator.OQueryOperatorNotEquals 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.
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package com.orientechnologies.orient.core.sql.operator;

import com.orientechnologies.orient.core.command.OCommandContext;
import com.orientechnologies.orient.core.db.record.OIdentifiable;
import com.orientechnologies.orient.core.id.ORID;
import com.orientechnologies.orient.core.sql.filter.OSQLFilterCondition;

/**
 * NOT EQUALS operator.
 * 
 * @author Luca Garulli
 * 
 */
public class OQueryOperatorNotEquals extends OQueryOperatorEqualityNotNulls {

	public OQueryOperatorNotEquals() {
		super("<>", 5, false);
	}

	@Override
	protected boolean evaluateExpression(final OIdentifiable iRecord, final OSQLFilterCondition iCondition, final Object iLeft,
			final Object iRight, OCommandContext iContext) {
		return !OQueryOperatorEquals.equals(iLeft, iRight);
	}

	@Override
	public OIndexReuseType getIndexReuseType(final Object iLeft, final Object iRight) {
		return OIndexReuseType.NO_INDEX;
	}

  @Override
  public ORID getBeginRidRange(Object iLeft, Object iRight) {
    return null;
  }

  @Override
  public ORID getEndRidRange(Object iLeft, Object iRight) {
    return null;
  }
}