| /* |
| * 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.iotdb.tsfile.common.constant; |
| |
| import java.util.regex.Pattern; |
| |
| public class TsFileConstant { |
| |
| public static final String TSFILE_SUFFIX = ".tsfile"; |
| public static final String TSFILE_HOME = "TSFILE_HOME"; |
| public static final String TSFILE_CONF = "TSFILE_CONF"; |
| public static final String PATH_ROOT = "root"; |
| public static final String TMP_SUFFIX = "tmp"; |
| public static final String PATH_SEPARATOR = "."; |
| public static final char PATH_SEPARATOR_CHAR = '.'; |
| public static final String PATH_SEPARATER_NO_REGEX = "\\."; |
| public static final char DOUBLE_QUOTE = '"'; |
| public static final char BACK_QUOTE = '`'; |
| public static final String BACK_QUOTE_STRING = "`"; |
| public static final String DOUBLE_BACK_QUOTE_STRING = "``"; |
| |
| public static final byte TIME_COLUMN_MASK = (byte) 0x80; |
| public static final byte VALUE_COLUMN_MASK = (byte) 0x40; |
| |
| // measurementID of aligned time chunk |
| public static final String TIME_COLUMN_ID = ""; |
| |
| private static final String IDENTIFIER_MATCHER = "([a-zA-Z0-9_\\u2E80-\\u9FFF]+)"; |
| public static final Pattern IDENTIFIER_PATTERN = Pattern.compile(IDENTIFIER_MATCHER); |
| |
| private static final String NODE_NAME_MATCHER = "(\\*{0,2}[a-zA-Z0-9_\\u2E80-\\u9FFF]+\\*{0,2})"; |
| public static final Pattern NODE_NAME_PATTERN = Pattern.compile(NODE_NAME_MATCHER); |
| |
| private TsFileConstant() {} |
| } |