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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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
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* KIND, either express or implied. See the License for the
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package org.apache.cayenne.dba.db2;
import org.apache.cayenne.access.translator.ejbql.EJBQLConditionTranslator;
import org.apache.cayenne.access.translator.ejbql.EJBQLTranslationContext;
import org.apache.cayenne.ejbql.EJBQLExpression;
import org.apache.cayenne.ejbql.parser.EJBQLTrimSpecification;
/**
* @since 4.0
*/
public class DB2EJBQLConditionTranslator extends EJBQLConditionTranslator {
DB2EJBQLConditionTranslator(EJBQLTranslationContext context) {
super(context);
}
@Override
public boolean visitTrim(EJBQLExpression expression, int finishedChildIndex) {
if (finishedChildIndex < 0) {
if (!(expression.getChild(0) instanceof EJBQLTrimSpecification)) {
context.append(" {fn TRIM(");
}
} else if (finishedChildIndex + 1 == expression.getChildrenCount()) {
context.append(")}");
}
return true;
}
@Override
public boolean visitTrimBoth(EJBQLExpression expression) {
context.append(" {fn TRIM(");
return false;
}
}