hadoop TimelineKeyValueFilter 源码
haddop TimelineKeyValueFilter 代码
文件路径：/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/reader/filter/TimelineKeyValueFilter.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.hadoop.yarn.server.timelineservice.reader.filter;
import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
/**
* Filter class which represents filter to be applied based on key-value pair
* being equal or not to the values in back-end store.
*/
@Private
@Unstable
public class TimelineKeyValueFilter extends TimelineCompareFilter {
public TimelineKeyValueFilter() {
}
public TimelineKeyValueFilter(TimelineCompareOp op, String key, Object val,
boolean keyMustExistFlag) {
super(op, key, val, keyMustExistFlag);
if (op != TimelineCompareOp.EQUAL && op != TimelineCompareOp.NOT_EQUAL) {
throw new IllegalArgumentException("TimelineCompareOp for equality"
+ " filter should be EQUAL or NOT_EQUAL");
}
}
public TimelineKeyValueFilter(TimelineCompareOp op, String key, Object val) {
this(op, key, val, true);
}
@Override
public TimelineFilterType getFilterType() {
return TimelineFilterType.KEY_VALUE;
}
public void setCompareOp(TimelineCompareOp timelineCompareOp,
boolean keyExistFlag) {
if (timelineCompareOp != TimelineCompareOp.EQUAL &&
timelineCompareOp != TimelineCompareOp.NOT_EQUAL) {
throw new IllegalArgumentException("TimelineCompareOp for equality"
+ " filter should be EQUAL or NOT_EQUAL");
}
super.setCompareOp(timelineCompareOp, keyExistFlag);
}
}
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