/*
*
* * 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.sql.operator;
import java.util.Collection;
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.record.impl.ODocument;
import com.orientechnologies.orient.core.sql.filter.OSQLFilterCondition;
/**
* CONTAINS ALL operator.
*
* @author Luca Garulli
*
*/
public class OQueryOperatorContainsAll extends OQueryOperatorEqualityNotNulls {
public OQueryOperatorContainsAll() {
super("CONTAINSALL", 5, false);
}
@Override
@SuppressWarnings("unchecked")
protected boolean evaluateExpression(final OIdentifiable iRecord, final OSQLFilterCondition iCondition, final Object iLeft,
final Object iRight, OCommandContext iContext) {
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.getClass().isArray()) {
if (iRight.getClass().isArray()) {
// ARRAY VS ARRAY
int matches = 0;
for (final Object l : (Object[]) iLeft) {
for (final Object r : (Object[]) iRight) {
if (OQueryOperatorEquals.equals(l, r)) {
++matches;
break;
}
}
}
return matches == ((Object[]) iRight).length;
} else if (iRight instanceof Collection<?>) {
// ARRAY VS ARRAY
int matches = 0;
for (final Object l : (Object[]) iLeft) {
for (final Object r : (Collection<?>) iRight) {
if (OQueryOperatorEquals.equals(l, r)) {
++matches;
break;
}
}
}
return matches == ((Collection<?>) iRight).size();
}
} else if (iLeft instanceof Collection<?>) {
final Collection<ODocument> collection = (Collection<ODocument>) iLeft;
if (condition != null) {
// CHECK AGAINST A CONDITION
for (final ODocument o : collection) {
if ((Boolean) condition.evaluate(o, null, iContext) == Boolean.FALSE)
return false;
}
} else {
// CHECK AGAINST A SINGLE VALUE
for (final Object o : collection) {
if (!OQueryOperatorEquals.equals(iRight, o))
return false;
}
}
} else if (iRight instanceof Collection<?>) {
// CHECK AGAINST A CONDITION
final Collection<ODocument> collection = (Collection<ODocument>) iRight;
if (condition != null) {
for (final ODocument o : collection) {
if ((Boolean) condition.evaluate(o, null, iContext) == Boolean.FALSE)
return false;
}
} else {
// CHECK AGAINST A SINGLE VALUE
for (final Object o : collection) {
if (!OQueryOperatorEquals.equals(iLeft, o))
return false;
}
}
}
return true;
}
@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;
}
}