/**
* 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.hadoop.contrib.failmon;
/**********************************************************
* Represents objects that monitor specific hardware resources and
* can query them to get EventRecords describing the state of these
* resources.
*
**********************************************************/
public interface Monitored {
/**
* Get an array of all EventRecords that can be extracted for
* the represented hardware component.
*
* @return The array of EventRecords
*/
public EventRecord[] monitor();
/**
* Inserts all EventRecords that can be extracted for
* the represented hardware component into a LocalStore.
*
* @param ls the LocalStore into which the EventRecords
* are to be stored.
*/
public void monitor(LocalStore ls);
/**
* Return a String with information about the implementing
* class
*
* @return A String describing the implementing class
*/
public String getInfo();
}