org.apache.openjpa.jdbc.kernel.exps.JDBCStringContains Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* 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
* "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 org.apache.openjpa.jdbc.kernel.exps;
import org.apache.openjpa.jdbc.kernel.JDBCStore;
import org.apache.openjpa.jdbc.meta.ClassMapping;
import org.apache.openjpa.jdbc.sql.SQLBuffer;
import org.apache.openjpa.kernel.exps.StringContains;
import org.apache.openjpa.lib.util.Localizer;
import org.apache.openjpa.util.UserException;
/**
* Tests if the target contains the given argument. The argument must be
* a constant.
* Examples:
* "address.street.ext:stringContains (\"main\")"
*
* @nojavadoc
* @deprecated Use matches() instead.
*/
public class JDBCStringContains
extends StringContains
implements JDBCFilterListener {
private static final Localizer _loc = Localizer.forPackage
(JDBCStringContains.class);
public void appendTo(SQLBuffer buf, FilterValue target, FilterValue[] args,
ClassMapping type, JDBCStore store) {
if (!args[0].isConstant())
throw new UserException(_loc.get("const-only", TAG));
Object val = args[0].getValue();
target.appendTo(buf);
if (val == null)
buf.append(" IS ").appendValue(null);
else
buf.append(" LIKE ").appendValue("%" + val + "%");
}
}