annis.service.objects.FrequencyTableEntry.java Source code

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Here is the source code for annis.service.objects.FrequencyTableEntry.java

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/*
 * Copyright 2012 SFB 632.
 *
 * Licensed 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 annis.service.objects;

import com.google.common.base.Splitter;
import java.io.Serializable;
import java.util.List;

/**
 *
 * @author Thomas Krause <krauseto@hu-berlin.de>
 */
public class FrequencyTableEntry implements Serializable {
    private FrequencyTableEntryType type;

    private String key;

    private String referencedNode;

    public FrequencyTableEntry() {

    }

    /**
     * A constructor that takes the raw definition as argument.
     * 
     * A definition consists of two parts: the referenced node and the annotation 
     * name or "tok" separated by ":" 
     * @param definition 
     * @return 
     */
    public static FrequencyTableEntry parse(String definition) {
        List<String> splitted = Splitter.on(':').trimResults().omitEmptyStrings().limit(2).splitToList(definition);
        if (splitted.size() == 2) {
            FrequencyTableEntry entry = new FrequencyTableEntry();

            if ("meta".equals(splitted.get(0))) {
                entry.setReferencedNode(null);
                entry.setType(FrequencyTableEntryType.meta);
                entry.setKey(splitted.get(1));
            } else {
                entry.setReferencedNode(splitted.get(0));
                if ("tok".equals(splitted.get(1))) {
                    entry.setType(FrequencyTableEntryType.span);
                } else {
                    entry.setType(FrequencyTableEntryType.annotation);
                    entry.setKey(splitted.get(1));
                }
            }
            return entry;
        }
        return null;
    }

    public FrequencyTableEntryType getType() {
        return type;
    }

    public void setType(FrequencyTableEntryType type) {
        this.type = type;
    }

    public String getKey() {
        return key;
    }

    public void setKey(String key) {
        this.key = key;
    }

    public String getReferencedNode() {
        return referencedNode;
    }

    public void setReferencedNode(String referencedNode) {
        this.referencedNode = referencedNode;
    }

    @Override
    public String toString() {
        switch (type) {
        case span:
            return referencedNode + ":tok";
        case annotation:
            return referencedNode + ":" + key;
        case meta:
            return "meta:" + key;
        }
        return super.toString();
    }

}