Configs.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.twill.internal;

/**
 * Defines keys and default values constants being used for configuration.
 */
public final class Configs {

  /**
   * Defines keys being used in configuration.
   */
  public static final class Keys {
    /**
     * Size in MB of reserved memory for Java process (non-heap memory).
     */
    public static final String JAVA_RESERVED_MEMORY_MB = "twill.java.reserved.memory.mb";

    private Keys() {
    }
  }

  /**
   * Defines default configuration values.
   */
  public static final class Defaults {
    // By default have 200MB reserved for Java process.
    public static final int JAVA_RESERVED_MEMORY_MB = 200;

    private Defaults() {
    }
  }

  private Configs() {
  }
}