/**
* Copyright (C) 2008 - 2014 52°North Initiative for Geospatial Open Source
* Software GmbH
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*
* If the program is linked with libraries which are licensed under one of
* the following licenses, the combination of the program with the linked
* library is not considered a "derivative work" of the program:
*
* - Apache License, version 2.0
* - Apache Software License, version 1.0
* - GNU Lesser General Public License, version 3
* - Mozilla Public License, versions 1.0, 1.1 and 2.0
* - Common Development and Distribution License (CDDL), version 1.0
*
* Therefore the distribution of the program linked with libraries licensed
* under the aforementioned licenses, is permitted by the copyright holders
* if the distribution is compliant with both the GNU General Public
* icense version 2 and the aforementioned licenses.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
*/
/**
* Part of the diploma thesis of Thomas Everding.
* @author Thomas Everding
*/
package org.n52.ses.eml.v002.filter.logical;
import java.util.HashSet;
import org.n52.ses.eml.v002.filter.IFilterElement;
import org.n52.ses.eml.v002.filter.comparison.AComparisonFilter;
import org.n52.ses.eml.v002.filter.spatial.ASpatialFilter;
import org.n52.ses.eml.v002.filter.temporal.ATemporalFilter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import net.opengis.fes.x20.UnaryLogicOpType;
/**
* Representation of not filters.
*
* @author Thomas Everding
*
*/
public class NotFilter extends ALogicFilter{
/*
* Logger instance for this class
*/
private static final Logger logger = LoggerFactory.getLogger(NotFilter.class);
private IFilterElement element;
/**
*
* Constructor
*
* @param unaryOp filter definition
* @param propertyNames names of the properties used in this filter / pattern
*/
public NotFilter(UnaryLogicOpType unaryOp, HashSet<Object > propertyNames) {
if (unaryOp.isSetComparisonOps()) {
//element is comparison operator
this.element = AComparisonFilter.FACTORY.buildComparisonFilter(unaryOp.getComparisonOps(), propertyNames);
}
else if (unaryOp.isSetLogicOps()) {
//element is logical operator
this.element = ALogicFilter.FACTORY.buildLogicFilter(unaryOp.getLogicOps(), propertyNames);
}
else if (unaryOp.isSetSpatialOps()) {
//element is spatial operator
this.element = ASpatialFilter.FACTORY.buildSpatialFilter(unaryOp.getSpatialOps());
}
else if (unaryOp.isSetTemporalOps()) {
//element is temporal operator
this.element = ATemporalFilter.FACTORY.buildTemporalFilter(unaryOp.getTemporalOps());
}
else {
//not supported
logger.warn("the operator type is not supported");
throw new RuntimeException("the operator type is not supported");
}
}
@Override
public String createExpressionString(boolean complexPatternGuard) {
String result = "( not ("
+ this.element.createExpressionString(complexPatternGuard)
+ "))";
return result;
}
}