| /* |
| * 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.pig.tools.pigstats; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.pig.classification.InterfaceAudience; |
| import org.apache.pig.classification.InterfaceStability; |
| |
| /** |
| * This class encapsulates the runtime statistics of a user specified input. |
| */ |
| @InterfaceAudience.Public |
| @InterfaceStability.Evolving |
| public final class InputStats { |
| |
| private String name; |
| private String location; |
| private long bytes; |
| private long records; |
| |
| private boolean success; |
| |
| public static enum INPUT_TYPE { regular, sampler, indexer, side }; |
| |
| private INPUT_TYPE type = INPUT_TYPE.regular; |
| |
| private Configuration conf; |
| |
| public InputStats(String location, long bytes, long records, boolean success) { |
| this.location = location; |
| this.bytes = bytes; |
| this.records = records; |
| this.success = success; |
| try { |
| this.name = new Path(location).getName(); |
| } catch (Exception e) { |
| // location is a mal formatted URL |
| this.name = location; |
| } |
| } |
| |
| public String getName() { |
| return name; |
| } |
| |
| public String getLocation() { |
| return location; |
| } |
| |
| public long getBytes() { |
| return bytes; |
| } |
| |
| public long getNumberRecords() { |
| return records; |
| } |
| |
| public boolean isSuccessful() { |
| return success; |
| } |
| |
| public Configuration getConf() { |
| return conf; |
| } |
| |
| public INPUT_TYPE getInputType() { |
| return type; |
| } |
| |
| public String getDisplayString() { |
| StringBuilder sb = new StringBuilder(); |
| if (success) { |
| sb.append("Successfully "); |
| if (type == INPUT_TYPE.sampler) { |
| sb.append("sampled "); |
| } else if (type == INPUT_TYPE.indexer) { |
| sb.append("indexed "); |
| } else { |
| sb.append("read "); |
| } |
| |
| if (records >= 0) { |
| sb.append(records).append(" records "); |
| } else { |
| sb.append("records "); |
| } |
| if (bytes > 0) { |
| sb.append("(").append(bytes).append(" bytes) "); |
| } |
| sb.append("from: \"").append(location).append("\""); |
| if (type == INPUT_TYPE.side) { |
| sb.append(" as side file"); |
| } |
| sb.append("\n"); |
| } else { |
| sb.append("Failed to read data from \"").append(location) |
| .append("\"\n"); |
| } |
| return sb.toString(); |
| } |
| |
| public void setConf(Configuration conf) { |
| this.conf = conf; |
| } |
| |
| public void markSampleInput() { |
| type = INPUT_TYPE.sampler; |
| } |
| |
| public void markIndexerInput() { |
| type = INPUT_TYPE.indexer; |
| } |
| |
| public void markSideFileInput() { |
| type = INPUT_TYPE.side; |
| } |
| } |