libraries/sql-generator/src/main/java/org/apache/polygene/library/sql/generator/grammar/modification/SetClause.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.apache.polygene.library.sql.generator.grammar.modification;

import org.apache.polygene.library.sql.generator.Typeable;

/**
 * This syntax element represents a single {@code SET} element of {@code UPDATE} statement.
 *
 * @author Stanislav Muhametsin
 */
public interface SetClause
    extends Typeable<SetClause>
{

    /**
     * Returns the update target, typically a name of the column.
     *
     * @return The update target, typically a name of the column.
     */
    String getUpdateTarget();

    /**
     * Returns the update source, that is, data, for the columns.
     *
     * @return The data for the columns.
     */
    UpdateSource getUpdateSource();
}