/*
* 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.Collection;
import java.util.List;
import com.orientechnologies.orient.core.db.ODatabaseComplex;
import com.orientechnologies.orient.core.db.record.OIdentifiable;
import com.orientechnologies.orient.core.index.OIndexFullText;
import com.orientechnologies.orient.core.index.OPropertyIndex;
import com.orientechnologies.orient.core.metadata.schema.OProperty;
import com.orientechnologies.orient.core.sql.filter.OSQLFilterCondition;
import com.orientechnologies.orient.core.sql.filter.OSQLFilterItemField;
/**
* CONTAINS KEY operator.
*
* @author Luca Garulli
*
*/
public class OQueryOperatorContainsText extends OQueryTargetOperator {
private boolean ignoreCase = true;
public OQueryOperatorContainsText(final boolean iIgnoreCase) {
super("CONTAINSTEXT", 5, false);
ignoreCase = iIgnoreCase;
}
public OQueryOperatorContainsText() {
super("CONTAINSTEXT", 5, false);
}
@Override
public String getSyntax() {
return "<left> CONTAINSTEXT[( noignorecase ] )] <right>";
}
@Override
public Collection<OIdentifiable> filterRecords(final ODatabaseComplex<?> iDatabase, final List<String> iTargetClasses,
final OSQLFilterCondition iCondition, final Object iLeft, final Object iRight) {
final String fieldName;
if (iCondition.getLeft() instanceof OSQLFilterItemField)
fieldName = iCondition.getLeft().toString();
else
fieldName = iCondition.getRight().toString();
final String fieldValue;
if (iCondition.getLeft() instanceof OSQLFilterItemField)
fieldValue = iCondition.getRight().toString();
else
fieldValue = iCondition.getLeft().toString();
final String className = iTargetClasses.get(0);
final OProperty prop = iDatabase.getMetadata().getSchema().getClass(className).getProperty(fieldName);
if (prop == null)
// NO PROPERTY DEFINED
return null;
final OPropertyIndex index = prop.getIndex();
if (index == null || !(index.getUnderlying() instanceof OIndexFullText))
// NO FULL TEXT INDEX
return null;
return index.getUnderlying().get(fieldValue);
}
public boolean isIgnoreCase() {
return ignoreCase;
}
@Override
public OIndexReuseType getIndexReuseType(final Object iLeft, final Object iRight) {
return OIndexReuseType.INDEX_METHOD;
}
}