opennlp.tools.ml.maxent.BasicContextGenerator Maven / Gradle / Ivy
/*
* 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 opennlp.tools.ml.maxent;
/**
* A {@link ContextGenerator} implementation for maxent decisions, assuming that the input
* given to the {@link #getContext(String)} method is a String containing contextual
* predicates separated by spaces, for instance:
*
* {@code cp_1 cp_2 ... cp_n}
*
*/
public class BasicContextGenerator implements ContextGenerator {
private String separator = " ";
public BasicContextGenerator() {}
/**
* Initializes a {@link BasicContextGenerator} with a different separator char.
* This overwrites the default whitespace separator.
*
* @param sep The {@link String separator character} to use.
*/
public BasicContextGenerator(String sep) {
separator = sep;
}
@Override
public String[] getContext(String o) {
return o.split(separator);
}
}