opennlp.tools.util.featuregen.AdditionalContextFeatureGenerator.java Source code

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Here is the source code for opennlp.tools.util.featuregen.AdditionalContextFeatureGenerator.java

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/*
 * 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.util.featuregen;

import java.util.List;

/**
 * The {@link AdditionalContextFeatureGenerator} generates the context from the passed
 * in additional context.
 */
public class AdditionalContextFeatureGenerator implements AdaptiveFeatureGenerator {

    private String[][] additionalContext;

    public void createFeatures(List<String> features, String[] tokens, int index, String[] preds) {

        if (additionalContext != null && additionalContext.length != 0) {

            String[] context = additionalContext[index];

            for (String s : context) {
                features.add("ne=" + s);
            }
        }
    }

    public void setCurrentContext(String[][] context) {
        additionalContext = context;
    }
}