| /* |
| * 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.fluo.accumulo.format; |
| |
| import java.util.Map.Entry; |
| |
| import org.apache.accumulo.core.data.ByteSequence; |
| import org.apache.accumulo.core.data.Key; |
| import org.apache.accumulo.core.data.Value; |
| import org.apache.fluo.accumulo.util.ColumnConstants; |
| import org.apache.fluo.accumulo.util.ColumnType; |
| import org.apache.fluo.accumulo.util.NotificationUtil; |
| import org.apache.fluo.accumulo.util.ReadLockUtil; |
| import org.apache.fluo.accumulo.values.DelLockValue; |
| import org.apache.fluo.accumulo.values.DelReadLockValue; |
| import org.apache.fluo.accumulo.values.LockValue; |
| import org.apache.fluo.accumulo.values.ReadLockValue; |
| import org.apache.fluo.accumulo.values.WriteValue; |
| import org.apache.fluo.api.data.Bytes; |
| import org.apache.fluo.api.data.Column; |
| |
| /** |
| * Converts Accumulo table data to a human-readable Fluo format |
| */ |
| public class FluoFormatter { |
| |
| private static void appendByte(StringBuilder sb, byte b) { |
| if (b >= 32 && b <= 126 && b != '\\') { |
| sb.append((char) b); |
| } else { |
| sb.append(String.format("\\x%02x", b & 0xff)); |
| } |
| } |
| |
| public static void encNonAscii(StringBuilder sb, byte[] bytes) { |
| for (int i = 0; i < bytes.length; i++) { |
| appendByte(sb, bytes[i]); |
| } |
| } |
| |
| public static void encNonAscii(StringBuilder sb, ByteSequence bytes) { |
| for (int i = 0; i < bytes.length(); i++) { |
| appendByte(sb, bytes.byteAt(i)); |
| } |
| } |
| |
| public static void encNonAscii(StringBuilder sb, Bytes bytes) { |
| for (int i = 0; i < bytes.length(); i++) { |
| appendByte(sb, bytes.byteAt(i)); |
| } |
| } |
| |
| public static String toString(Entry<Key, Value> entry) { |
| Key key = entry.getKey(); |
| |
| if (NotificationUtil.isNtfy(key)) { |
| StringBuilder sb = new StringBuilder(); |
| encNonAscii(sb, key.getRowData()); |
| sb.append(" "); |
| encNonAscii(sb, key.getColumnFamilyData()); |
| sb.append(":"); |
| Column col = NotificationUtil.decodeCol(key); |
| encNonAscii(sb, col.getFamily()); |
| sb.append(":"); |
| encNonAscii(sb, col.getQualifier()); |
| sb.append(" ["); |
| encNonAscii(sb, key.getColumnVisibilityData()); |
| sb.append("] "); |
| sb.append(NotificationUtil.decodeTs(key)); |
| sb.append('-'); |
| sb.append(NotificationUtil.isDelete(key) ? "DELETE" : "INSERT"); |
| sb.append("\t"); |
| encNonAscii(sb, entry.getValue().get()); |
| |
| return sb.toString(); |
| } else { |
| long ts = key.getTimestamp(); |
| String type = ""; |
| ColumnType colType = ColumnType.from(ts); |
| |
| switch (colType) { |
| case RLOCK: |
| if (ReadLockUtil.isDelete(ts)) { |
| type = "DEL_RLOCK"; |
| } else { |
| type = "RLOCK"; |
| } |
| ts = ReadLockUtil.decodeTs(ts); |
| break; |
| default: |
| type = colType.toString(); |
| break; |
| } |
| |
| StringBuilder sb = new StringBuilder(); |
| |
| String val; |
| if (type.equals("WRITE")) { |
| val = new WriteValue(entry.getValue().get()).toString(); |
| } else if (type.equals("DEL_LOCK")) { |
| val = new DelLockValue(entry.getValue().get()).toString(); |
| } else if (type.equals("LOCK")) { |
| // TODO can Value be made to extend Bytes w/o breaking API? |
| val = new LockValue(entry.getValue().get()).toString(); |
| } else if (type.equals("RLOCK")) { |
| val = new ReadLockValue(entry.getValue().get()).toString(); |
| } else if (type.equals("DEL_RLOCK")) { |
| val = new DelReadLockValue(entry.getValue().get()).toString(); |
| } else { |
| encNonAscii(sb, entry.getValue().get()); |
| val = sb.toString(); |
| } |
| |
| sb.setLength(0); |
| encNonAscii(sb, key.getRowData()); |
| sb.append(" "); |
| encNonAscii(sb, key.getColumnFamilyData()); |
| sb.append(":"); |
| encNonAscii(sb, key.getColumnQualifierData()); |
| sb.append(" ["); |
| encNonAscii(sb, key.getColumnVisibilityData()); |
| sb.append("] "); |
| sb.append(ts & ColumnConstants.TIMESTAMP_MASK); |
| sb.append('-'); |
| sb.append(type); |
| sb.append("\t"); |
| sb.append(val); |
| |
| return sb.toString(); |
| } |
| } |
| } |