/*
* 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.jena.hadoop.rdf.mapreduce;
/**
* RDF Map/Reduce related constants
*
*
*
*/
public class RdfMapReduceConstants {
/**
* Private constructor prevents instantiation
*/
private RdfMapReduceConstants() {
}
/**
* Configuration key used to set whether the behaviour of the filter mappers
* is inverted. When enabled the filter mappers will invert their selection
* i.e. tuples that would normally be accepted will be rejected and vice
* versa.
*/
public static final String FILTER_INVERT = "rdf.mapreduce.filter.invert";
/**
* Configuration key used to set a command separated list of predicate URIs
* to filter upon
*/
public static final String FILTER_PREDICATE_URIS = "rdf.mapreduce.filter.predicate.uris";
/**
* Configuration key used to set a command separated list of subject URIs to
* filter upon
*/
public static final String FILTER_SUBJECT_URIS = "rdf.mapreduce.filter.subject.uris";
/**
* Configuration key used to set a command separated list of object URIs to
* filter upon
*/
public static final String FILTER_OBJECT_URIS = "rdf.mapreduce.filter.object.uris";
/**
* Configuration key used to set a command separated list of graph URIs to
* filter upon
*/
public static final String FILTER_GRAPH_URIS = "rdf.mapreduce.filter.graph.uris";
}