hadoop TimelineParserForNumericFilters 源码
haddop TimelineParserForNumericFilters 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/TimelineParserForNumericFilters.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 java.io.IOException;
import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.yarn.server.timeline.GenericObjectMapper;
import org.apache.hadoop.yarn.server.timelineservice.reader.filter.TimelineCompareFilter;
import org.apache.hadoop.yarn.server.timelineservice.reader.filter.TimelineCompareOp;
import org.apache.hadoop.yarn.server.timelineservice.reader.filter.TimelineFilter;
import org.apache.hadoop.yarn.server.timelineservice.storage.common.TimelineStorageUtils;
/**
* Used for parsing numerical filters such as metric filters.
*/
@Private
@Unstable
class TimelineParserForNumericFilters extends TimelineParserForCompareExpr {
public TimelineParserForNumericFilters(String expression) {
super(expression, "Metric Filter");
}
protected TimelineFilter createFilter() {
return new TimelineCompareFilter();
}
@Override
protected void setCompareOpToCurrentFilter(TimelineCompareOp compareOp,
boolean keyMustExistFlag) {
((TimelineCompareFilter)getCurrentFilter()).setCompareOp(
compareOp, keyMustExistFlag);
}
protected Object parseValue(String strValue) throws TimelineParseException {
Object value = null;
try {
value = GenericObjectMapper.OBJECT_READER.readValue(strValue);
} catch (IOException e) {
throw new TimelineParseException("Value cannot be parsed.");
}
if (value == null || !(TimelineStorageUtils.isIntegralValue(value))) {
throw new TimelineParseException("Value is not a number.");
}
return value;
}
protected void setValueToCurrentFilter(Object value) {
TimelineFilter currentFilter = getCurrentFilter();
if (currentFilter != null) {
((TimelineCompareFilter)currentFilter).setValue(value);
}
}
}
相关信息
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 TimelineParserForCompareExpr 源码
hadoop TimelineParserForDataToRetrieve 源码
0
赞
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
7、 golang
-
9、 openharmony
-
10、 Vue中input框自动聚焦