| /** |
| * 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; |
| |
| import org.apache.pig.classification.InterfaceAudience; |
| |
| @InterfaceAudience.Public |
| public class PigConstants { |
| private PigConstants() { |
| throw new IllegalStateException(); |
| } |
| |
| /** |
| * This key is used in the job conf to let the various jobs know what code was |
| * generated. |
| */ |
| public static final String GENERATED_CLASSES_KEY = "pig.schematuple.classes"; |
| |
| /** |
| * This key is used when a job is run in local mode to pass the location of the generated code |
| * from the front-end to the "back-end" (which, in this case, is in the same JVM). |
| */ |
| public static final String LOCAL_CODE_DIR = "pig.schematuple.local.dir"; |
| |
| // This makes it easy to turn SchemaTuple on globally. |
| public static final boolean SCHEMA_TUPLE_ON_BY_DEFAULT = false; |
| |
| /** |
| * {@value} is a comma-separated list of optimizer rules to disable; |
| * by default, all rules are enabled. |
| */ |
| public static final String PIG_OPTIMIZER_RULES_DISABLED_KEY = "pig.optimizer.rules.disabled"; |
| |
| /** |
| * Prefix used by pig to configure local mode configuration |
| */ |
| public static final String PIG_LOCAL_CONF_PREFIX = "pig.local."; |
| |
| /** |
| * Counter names used by pig.udf.profile |
| */ |
| public static final String TIME_UDFS_INVOCATION_COUNTER = "approx_invocations"; |
| public static final String TIME_UDFS_ELAPSED_TIME_COUNTER = "approx_microsecs"; |
| |
| public static final String TASK_INDEX = "mapreduce.task.index"; |
| } |