/*
 * Copyright 2015, The Querydsl Team (http://www.querydsl.com/team)
 *
 * Licensed 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 com.querydsl.core;

/**
 * {@code JoinType} defines the supported join types
 *
 * @author tiwe
 */
public enum JoinType {
    /**
     * cross join
     */
    DEFAULT(false, false),
    /**
     * inner join
     */
    INNERJOIN(true, false),
    /**
     * join
     */
    JOIN(true, false),
    /**
     * left join
     */
    LEFTJOIN(false, true),
    /**
     * right join
     */
    RIGHTJOIN(false, true),
    /**
     * full join
     */
    FULLJOIN(false, true);

    private final boolean inner, outer;

    private JoinType(boolean inner, boolean outer) {
        this.inner = inner;
        this.outer = outer;
    }

    public boolean isInner() {
        return inner;
    }

    public boolean isOuter() {
        return outer;
    }

}