Package com.yahoo.vespa.hadoop.pig

Class VespaDocumentOperation

java.lang.Object

org.apache.pig.EvalFunc<String>

com.yahoo.vespa.hadoop.pig.VespaDocumentOperation

public class VespaDocumentOperation
extends org.apache.pig.EvalFunc<String>

A Pig UDF to convert simple Pig types into a valid Vespa JSON document format.

Author:

lesters

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	VespaDocumentOperation.Operation

Nested classes/interfaces inherited from class org.apache.pig.EvalFunc

org.apache.pig.EvalFunc.SchemaType

Field Summary

Fields inherited from class org.apache.pig.EvalFunc

log, pigLogger, reporter, returnType

Constructor Summary

Constructors

Constructor	Description
VespaDocumentOperation(String... params)

Method Summary

Modifier and Type	Method	Description
static String	create(VespaDocumentOperation.Operation op, String docId, Map<String,Object> fields, Properties properties, org.apache.pig.impl.logicalLayer.schema.Schema schema)	Create a JSON Vespa document operation given the supplied fields, operation and document id template.
String	exec(org.apache.pig.data.Tuple tuple)

Methods inherited from class org.apache.pig.EvalFunc

allowCompileTimeCalculation, finish, getArgToFuncMapping, getCacheFiles, getInputSchema, getLogger, getPigLogger, getReporter, getReturnType, getSchemaName, getSchemaType, getShipFiles, isAsynchronous, outputSchema, progress, setInputSchema, setPigLogger, setReporter, setUDFContextSignature, warn

Methods inherited from class java.lang.Object

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

Constructor Detail

VespaDocumentOperation

public VespaDocumentOperation(String... params)

Method Detail

exec

public String exec(org.apache.pig.data.Tuple tuple)
            throws IOException

Specified by:

exec in class org.apache.pig.EvalFunc<String>

Throws:

IOException

create

public static String create(VespaDocumentOperation.Operation op,
                            String docId,
                            Map<String,Object> fields,
                            Properties properties,
                            org.apache.pig.impl.logicalLayer.schema.Schema schema)
                     throws IOException

Create a JSON Vespa document operation given the supplied fields, operation and document id template.

Parameters:

op - Operation (put, remove, update)

docId - Document id

fields - Fields to put in document operation

Returns:

A valid JSON Vespa document operation

Throws:

IOException - ...