| /** |
| * 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); |
| } |
| } |
| } |