VersionMigrationBuilder.java

/*
 * Copyright (c) 2009, Rickard Öberg. All Rights Reserved.
 *
 * 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 org.qi4j.migration.assembly;

import org.qi4j.migration.operation.RenameEntity;

/**
 * Migration builder for a specific to-version.
 */
public class VersionMigrationBuilder
{
    MigrationBuilder builder;

    String fromVersion;
    String toVersion;

    public VersionMigrationBuilder( MigrationBuilder builder, String fromVersion, String toVersion )
    {
        this.builder = builder;
        this.fromVersion = fromVersion;
        this.toVersion = toVersion;
    }

    public VersionMigrationBuilder toVersion( String toVersion )
    {
        return new VersionMigrationBuilder( builder, this.toVersion, toVersion );
    }

    public VersionMigrationBuilder renameEntity( String fromName, String toName )
    {
        builder.getEntityRules()
            .addRule( new EntityMigrationRule( fromVersion, toVersion, new String[]{ fromName }, new RenameEntity( fromName, toName ) ) );

        return this;
    }

    public PackageMigrationBuilder renamePackage( String fromName, String toName )
    {
        return new PackageMigrationBuilder( builder, this, fromVersion, toVersion, fromName, toName );
    }

    public VersionMigrationBuilder atStartup( MigrationOperation operation )
    {
        builder.getRules().addRule( new MigrationRule( fromVersion, toVersion, operation ) );

        return this;
    }

    public EntityMigrationBuilder forEntities( String... entityTypes )
    {
        return new EntityMigrationBuilder( this, entityTypes );
    }
}