/*
* 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.translator.jdbc;
import java.util.ArrayList;
import java.util.List;
import org.teiid.language.Function;
/**
* Modifier for cases where arguments need to be rearranged
* or new text needs to be added.
*
* E.g.
*
* new FunctionModifier() {
* public List<?> translate(Function function) {
* return Arrays.asList(
* "SDO_RELATE(",
* function.getParameters().get(0),
* ", ",
* function.getParameters().get(1),
* ", 'mask=touch')"
* );
* }
* }
*
* new TemplateFunctionModifier("SDO_RELATE(", 0, ", ", 1, ", 'mask=touch')")
*
*/
public class TemplateFunctionModifier extends FunctionModifier {
private final Object[] parts;
public TemplateFunctionModifier(Object... parts) {
this.parts = parts;
}
@Override
public List<?> translate(Function function) {
List<Object> objs = new ArrayList<Object>();
for (Object part : parts) {
if (part instanceof Integer) {
objs.add(function.getParameters().get((Integer) part));
} else {
objs.add(part);
}
}
return objs;
}
}