hadoop TimelineParseConstants 源码

  • 2022-10-20
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haddop TimelineParseConstants 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/TimelineParseConstants.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;

/**
 * Set of constants used while parsing filter expressions.
 */
final class TimelineParseConstants {
  private TimelineParseConstants() {
  }
  static final String COMMA_DELIMITER = ",";
  static final String COLON_DELIMITER = ":";
  static final char NOT_CHAR = '!';
  static final char SPACE_CHAR = ' ';
  static final char OPENING_BRACKET_CHAR = '(';
  static final char CLOSING_BRACKET_CHAR = ')';
  static final char COMMA_CHAR = ',';
}

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