framework/sql/src/org/ofbiz/sql/KeyMap.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 org.ofbiz.sql;

public final class KeyMap extends Atom {
    private final String leftFieldName;
    private final String rightFieldName;

    public KeyMap(String leftFieldName, String rightFieldName) {
        this.leftFieldName = leftFieldName;
        this.rightFieldName = rightFieldName;
    }

    public String getLeftFieldName() {
        return leftFieldName;
    }

    public String getRightFieldName() {
        return rightFieldName;
    }

    public StringBuilder appendTo(StringBuilder sb) {
        return appendTo("left", "right", sb);
    }

    public StringBuilder appendTo(String leftAlias, String rightAlias, StringBuilder sb) {
        sb.append(leftAlias).append('.').append(leftFieldName);
        sb.append(" = ");
        sb.append(rightAlias).append('.').append(rightFieldName);
        return sb;
    }
}