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Annotation.java
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Annotation.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 com.digitalpebble.behemoth;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
/**
* Implementation of an Annotation. Has a type , metadata and start and end
* offsets referring to the position in the text of a @class BehemothDocument.
**/
public class Annotation implements Comparable<Annotation> {
private String type;
private long start;
private long end;
private Map<String, String> features;
public Annotation() {
type = "";
start = -1;
end = -1;
}
public int getFeatureNum() {
if (this.getFeatures() == null)
return 0;
return this.getFeatures().size();
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
public long getStart() {
return start;
}
public void setStart(long start) {
this.start = start;
}
public long getEnd() {
return end;
}
public void setEnd(long end) {
this.end = end;
}
public Map<String, String> getFeatures() {
if (features == null)
features = new HashMap<String, String>();
return features;
}
public void setFeatures(Map<String, String> features) {
this.features = features;
}
// sort by start offset then type
public int compareTo(Annotation target) {
long diff = this.start - target.start;
if (diff != 0)
return (int) diff;
diff = this.type.compareTo(target.type);
if (diff != 0)
return (int) diff;
diff = this.end - target.end;
if (diff != 0)
return (int) diff;
// eventually compare based on the features
diff = this.getFeatureNum() - target.getFeatureNum();
if (diff != 0)
return (int) diff;
// TODO compare the features one by one?
return 0;
}
/** Returns a String representation of the Annotation **/
public String toString() {
StringBuilder builder = new StringBuilder();
builder.append(this.type).append("\t").append(start).append("\t")
.append(end);
if (features != null) {
Iterator<String> keysiter = features.keySet().iterator();
while (keysiter.hasNext()) {
String key = keysiter.next();
String value = features.get(key).toString();
builder.append("\t").append(key).append("=").append(value);
}
}
return builder.toString();
}
}