org.apache.lucene.analysis.payloads.FloatEncoder Maven / Gradle / Ivy
package org.apache.lucene.analysis.payloads;
/**
* 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.
*/
import org.apache.lucene.index.Payload;
/**
* Encode a character array Float as a {@link org.apache.lucene.index.Payload}.
*
* @see org.apache.lucene.analysis.payloads.PayloadHelper#encodeFloat(float, byte[], int)
*
**/
public class FloatEncoder extends AbstractEncoder implements PayloadEncoder {
public Payload encode(char[] buffer, int offset, int length) {
Payload result = new Payload();
float payload = Float.parseFloat(new String(buffer, offset, length));//TODO: improve this so that we don't have to new Strings
byte[] bytes = PayloadHelper.encodeFloat(payload);
result.setData(bytes);
return result;
}
}