| /* |
| * 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.file.metadata.enums; |
| |
| public enum TSEncoding { |
| PLAIN((byte) 0), |
| DICTIONARY((byte) 1), |
| RLE((byte) 2), |
| DIFF((byte) 3), |
| TS_2DIFF((byte) 4), |
| BITMAP((byte) 5), |
| GORILLA_V1((byte) 6), |
| REGULAR((byte) 7), |
| GORILLA((byte) 8), |
| ZIGZAG((byte) 9), |
| @Deprecated |
| FREQ((byte) 10), |
| CHIMP((byte) 11), |
| SPRINTZ((byte) 12), |
| RLBE((byte) 13); |
| private final byte type; |
| |
| TSEncoding(byte type) { |
| this.type = type; |
| } |
| |
| /** |
| * judge the encoding deserialize type. |
| * |
| * @param encoding -use to determine encoding type |
| * @return -encoding type |
| */ |
| public static TSEncoding deserialize(byte encoding) { |
| return getTsEncoding(encoding); |
| } |
| |
| private static TSEncoding getTsEncoding(byte encoding) { |
| switch (encoding) { |
| case 0: |
| return TSEncoding.PLAIN; |
| case 1: |
| return TSEncoding.DICTIONARY; |
| case 2: |
| return TSEncoding.RLE; |
| case 3: |
| return TSEncoding.DIFF; |
| case 4: |
| return TSEncoding.TS_2DIFF; |
| case 5: |
| return TSEncoding.BITMAP; |
| case 6: |
| return TSEncoding.GORILLA_V1; |
| case 7: |
| return TSEncoding.REGULAR; |
| case 8: |
| return TSEncoding.GORILLA; |
| case 9: |
| return TSEncoding.ZIGZAG; |
| case 11: |
| return TSEncoding.CHIMP; |
| case 12: |
| return TSEncoding.SPRINTZ; |
| case 13: |
| return TSEncoding.RLBE; |
| default: |
| throw new IllegalArgumentException("Invalid input: " + encoding); |
| } |
| } |
| |
| public static int getSerializedSize() { |
| return Byte.BYTES; |
| } |
| |
| /** |
| * judge the encoding deserialize type. |
| * |
| * @return -encoding type |
| */ |
| public byte serialize() { |
| return type; |
| } |
| } |