JoinType.java

/*
 * 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 ro.nextreports.engine.querybuilder.sql;

/**
 * Created by IntelliJ IDEA.
 * User: mihai.panaitescu
 * Date: Mar 28, 2006
 * Time: 4:45:03 PM
 */
public class JoinType {

    public static final String INNER_JOIN = "INNER JOIN";
    public static final String LEFT_OUTER_JOIN = "LEFT OUTER JOIN";
    public static final String RIGHT_OUTER_JOIN = "RIGHT OUTER JOIN";

    public static boolean validType(String joinType) {
        return INNER_JOIN.equals(joinType) || LEFT_OUTER_JOIN.equals(joinType) || RIGHT_OUTER_JOIN.equals(joinType);
    }

    public static boolean isOuter(String joinType) {
        return LEFT_OUTER_JOIN.equals(joinType) || RIGHT_OUTER_JOIN.equals(joinType);
    }

}