openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/meta/StrategyInstaller.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.openjpa.jdbc.meta;

import java.io.Serializable;

/**
 * Installs mapping strategies.
 *
 * @author Abe White
 * @nojavadoc
 * @since 0.4.0
 */
public abstract class StrategyInstaller 
    implements Serializable {

    protected final MappingRepository repos;

    /**
     * Constructor; supply repository.
     */
    public StrategyInstaller(MappingRepository repos) {
        this.repos = repos;
    }

    /**
     * Return whether this installer adapts the given mapping data and
     * schema, vs requiring that all information be supplied correctly.
     */
    public boolean isAdapting() {
        return false;
    }

    /**
     * Install a strategy on the given mapping.
     */
    public abstract void installStrategy(ClassMapping cls);

    /**
     * Install a strategy on the given mapping.
     */
    public abstract void installStrategy(FieldMapping fm);

    /**
     * Install a strategy on the given mapping.
     */
    public abstract void installStrategy(Version version);

    /**
     * Install a strategy on the given mapping.
     */
    public abstract void installStrategy(Discriminator discrim);
}