hadoop TimelineParserForExistFilters 源码

  • 2022-10-20
  • 浏览 (209)

haddop TimelineParserForExistFilters 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/TimelineParserForExistFilters.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;

import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.yarn.server.timelineservice.reader.filter.TimelineCompareOp;
import org.apache.hadoop.yarn.server.timelineservice.reader.filter.TimelineExistsFilter;
import org.apache.hadoop.yarn.server.timelineservice.reader.filter.TimelineFilter;

/**
 * Used for parsing existence filters such as event filters. These filters
 * check for existence of a value. For example, in case of event filters, they
 * check if an event exists or not and accordingly return an entity.
 */
@Private
@Unstable
class TimelineParserForExistFilters extends TimelineParserForEqualityExpr {

  public TimelineParserForExistFilters(String expression, char delimiter) {
    super(expression, "Event Filter", delimiter);
  }

  protected TimelineFilter createFilter() {
    return new TimelineExistsFilter();
  }

  protected void setValueToCurrentFilter(String value) {
    ((TimelineExistsFilter)getCurrentFilter()).setValue(value);
  }

  protected void setCompareOpToCurrentFilter(TimelineCompareOp compareOp) {
    ((TimelineExistsFilter)getCurrentFilter()).setCompareOp(compareOp);
  }
}

相关信息

hadoop 源码目录

相关文章

hadoop TimelineDataToRetrieve 源码

hadoop TimelineEntityFilters 源码

hadoop TimelineFromIdConverter 源码

hadoop TimelineParseConstants 源码

hadoop TimelineParseException 源码

hadoop TimelineParser 源码

hadoop TimelineParserForCompareExpr 源码

hadoop TimelineParserForDataToRetrieve 源码

hadoop TimelineParserForEqualityExpr 源码

hadoop TimelineParserForKVFilters 源码

0  赞