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/*
 * Copyright 2004-2011 H2 Group.
 * Copyright 2011 James Moger.
 *
 * 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.iciql;

/**
 * This class represents a query with a join.
 */

public class QueryJoin {

    private Query query;
    private SelectTable join;

    QueryJoin(Query query, SelectTable join) {
        this.query = query;
        this.join = join;
    }

    public QueryJoinCondition on(boolean x) {
        query.getFrom().getAliasDefinition().checkMultipleBooleans();
        return addPrimitive(x);
    }

    public QueryJoinCondition on(byte x) {
        return addPrimitive(x);
    }

    public QueryJoinCondition on(short x) {
        return addPrimitive(x);
    }

    public QueryJoinCondition on(int x) {
        return addPrimitive(x);
    }

    public QueryJoinCondition on(long x) {
        return addPrimitive(x);
    }

    public QueryJoinCondition on(float x) {
        return addPrimitive(x);
    }

    public QueryJoinCondition on(double x) {
        return addPrimitive(x);
    }

    private  QueryJoinCondition addPrimitive(A x) {
        A alias = query.getPrimitiveAliasByValue(x);
        if (alias == null) {
            // this will result in an unmapped field exception
            return new QueryJoinCondition(query, join, x);
        }
        return new QueryJoinCondition(query, join, alias);
    }

    public  QueryJoinCondition on(A x) {
        return new QueryJoinCondition(query, join, x);
    }
}