/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.core.types.basic;
import org.teiid.core.types.DataTypeManager;
import org.teiid.core.types.Transform;
import org.teiid.core.types.TransformationException;
public class NumberToBooleanTransform extends Transform {
private Comparable falseVal;
private Class<?> sourceType;
public NumberToBooleanTransform(Comparable falseVal) {
this.falseVal = falseVal;
this.sourceType = falseVal.getClass();
}
@Override
public Class<?> getSourceType() {
return sourceType;
}
@Override
public Class<?> getTargetType() {
return DataTypeManager.DefaultDataClasses.BOOLEAN;
}
@Override
public Object transformDirect(Object value) throws TransformationException {
if (falseVal.compareTo(value) == 0) {
return Boolean.FALSE;
}
return Boolean.TRUE;
}
@Override
public boolean isExplicit() {
return true;
}
}