/*
* Copyright 1999-2010 Luca Garulli (l.garulli--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.
*/
package com.orientechnologies.orient.core.sql.operator;
import java.util.Map;
import com.orientechnologies.orient.core.record.ORecordInternal;
import com.orientechnologies.orient.core.record.ORecordSchemaAware;
import com.orientechnologies.orient.core.sql.filter.OSQLFilterCondition;
/**
* CONTAINS KEY operator.
*
* @author Luca Garulli
*
*/
public class OQueryOperatorContainsValue extends OQueryOperatorEqualityNotNulls {
public OQueryOperatorContainsValue() {
super("CONTAINSVALUE", 5, false);
}
@Override
@SuppressWarnings("unchecked")
protected boolean evaluateExpression(final ORecordInternal<?> iRecord, final OSQLFilterCondition iCondition, final Object iLeft,
final Object iRight) {
final OSQLFilterCondition condition;
if (iCondition.getLeft() instanceof OSQLFilterCondition)
condition = (OSQLFilterCondition) iCondition.getLeft();
else if (iCondition.getRight() instanceof OSQLFilterCondition)
condition = (OSQLFilterCondition) iCondition.getRight();
else
condition = null;
if (iLeft instanceof Map<?, ?>) {
final Map<String, ?> map = (Map<String, ?>) iLeft;
if (condition != null) {
// CHECK AGAINST A CONDITION
for (Object o : map.values())
if ((Boolean) condition.evaluate((ORecordSchemaAware<?>) o))
return true;
} else
return map.containsValue(iRight);
} else if (iRight instanceof Map<?, ?>) {
final Map<String, ?> map = (Map<String, ?>) iRight;
if (condition != null)
// CHECK AGAINST A CONDITION
for (Object o : map.values())
if ((Boolean) condition.evaluate((ORecordSchemaAware<?>) o))
return true;
else
return map.containsValue(iLeft);
}
return false;
}
}