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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
/**
* Class representing a string field in the result set
*
*/
package com.yahoo.prelude.fastsearch;
import java.nio.ByteBuffer;
import com.yahoo.text.Utf8;
import com.yahoo.data.access.Inspector;
/**
* @author Bjørn Borud
*/
public class StringField extends DocsumField implements VariableLengthField {
public StringField(String name) {
super(name);
}
@Override
public Object decode(ByteBuffer b) {
int length = ((int) b.getShort()) & 0xffff;
Object field;
field = Utf8.toString(b.array(), b.arrayOffset() + b.position(), length);
b.position(b.position() + length);
return field;
}
@Override
public Object decode(ByteBuffer b, FastHit hit) {
Object field = decode(b);
hit.setField(name, field);
return field;
}
@Override
public String toString() {
return "field " + getName() + " type string";
}
@Override
public int getLength(ByteBuffer b) {
int offset = b.position();
int len = ((int) b.getShort()) & 0xffff;
b.position(offset + len + (Short.SIZE >> 3));
return len + (Short.SIZE >> 3);
}
@Override
public int sizeOfLength() {
return Short.SIZE >> 3;
}
@Override
public Object convert(Inspector value) {
return value.asString("");
}
}
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