com.nhaarman.ellie.BaseMigration Maven / Gradle / Ivy

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Compile-time active record ORM for Android.

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/*
 * Copyright (C) 2014 Niek Haarman
 *
 * 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.nhaarman.ellie;

import org.jetbrains.annotations.NotNull;

public abstract class BaseMigration {

    public void beforeUp() {
    }

    /**
     * Returns the SQL statements which are to be executed in order to perform this migration.
     *
     * @return The SQL statements.
     */
    @NotNull
    public String[] getUpStatements() {
        return new String[0];
    }

    public void afterUp() {
    }

    public void beforeDown() {
    }

    @NotNull
    public String[] getDownStatements() {
        return new String[0];
    }

    public void afterDown() {
    }

}