Monitored.java
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上传日期:2018-01-08
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- /**
- * 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();
- }