com.yahoo.prelude.fastsearch

Class JSONField

java.lang.Object

com.yahoo.prelude.fastsearch.DocsumField

com.yahoo.prelude.fastsearch.JSONField

All Implemented Interfaces:

VariableLengthField

Direct Known Subclasses:

StructDataField

public class JSONField
extends DocsumField
implements VariableLengthField

A hit field containing JSON structured data

Author:

Steinar Knutsen

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private static class	JSONField.ArrConv
private static class	JSONField.CompatibilityConverter
private static class	JSONField.WsConv1
private static class	JSONField.WsConv2

Field Summary

Fields inherited from class com.yahoo.prelude.fastsearch.DocsumField

name

Constructor Summary

Constructors

Constructor and Description
JSONField(String name)

Method Summary

Modifier and Type	Method and Description
Object	convert(com.yahoo.data.access.Inspector value) Convert a generic value into an object of the appropriate type for this field.
(package private) static com.yahoo.data.access.Inspector	convertTop(com.yahoo.data.access.Inspector value)
Object	decode(ByteBuffer b) Decode the field at the current buffer position and simply return the value.
Object	decode(ByteBuffer b, FastHit hit) Decode the field at the current buffer position into the fast hit.
int	getLength(ByteBuffer b) Get the number of bytes this field occupies in the given buffer AND SET(!) the position to the first byte after this field.
boolean	isCompressed(ByteBuffer b)
int	sizeOfLength() Returns the size of the length preceeding the data of this field, in bytes
String	toString()

Methods inherited from class com.yahoo.prelude.fastsearch.DocsumField

create, create, getEmulConfig, getName

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

JSONField

public JSONField(String name)

Method Detail

decode

public Object decode(ByteBuffer b)

Description copied from class: DocsumField

Decode the field at the current buffer position and simply return the value.

Specified by:

decode in class DocsumField

decode

public Object decode(ByteBuffer b,
                     FastHit hit)

Description copied from class: DocsumField

Decode the field at the current buffer position into the fast hit.

Specified by:

decode in class DocsumField

toString

public String toString()

Overrides:

toString in class Object

getLength

public int getLength(ByteBuffer b)

Description copied from class: DocsumField

Get the number of bytes this field occupies in the given buffer AND SET(!) the position to the first byte after this field.

Specified by:

getLength in class DocsumField

isCompressed

public boolean isCompressed(ByteBuffer b)

Overrides:

isCompressed in class DocsumField

sizeOfLength

public int sizeOfLength()

Description copied from interface: VariableLengthField

Returns the size of the length preceeding the data of this field, in bytes

Specified by:

sizeOfLength in interface VariableLengthField

convertTop

static com.yahoo.data.access.Inspector convertTop(com.yahoo.data.access.Inspector value)

convert

public Object convert(com.yahoo.data.access.Inspector value)

Description copied from class: DocsumField

Convert a generic value into an object of the appropriate type for this field.

Specified by:

convert in class DocsumField