org.gcube.search.datafusion.helpers
Class ResultSetHelper

java.lang.Object
  org.gcube.search.datafusion.helpers.ResultSetHelper

All Implemented Interfaces:

Serializable

public class ResultSetHelper
extends Object
implements Serializable

Author:

Alex Antoniadis

See Also:

Serialized Form

Constructor Summary

ResultSetHelper()

Method Summary

static List<String>	getRSRecFields(gr.uoa.di.madgik.grs.record.GenericRecord rsRec) Gets the names of the fields for the given record
static void	initializeGRS2() Initializes the gRS2 for writing
static URI	multiGetAndWrite(List<RankedRecord> recs, org.apache.lucene.store.Directory index, Set<String> fields) Gets the actual records from the rec and at the same time is writing them in a gRS2 result set.
static URI	multiGetAndWriteNoStream(List<RankedRecord> recs, org.apache.lucene.store.Directory index, Set<String> fields) Gets the actual records from the rec and then writes them in a gRS2 result set.
static void	printRecords(List<gr.uoa.di.madgik.grs.record.GenericRecord> recs, Set<String> fields)

Methods inherited from class java.lang.Object

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

Constructor Detail

ResultSetHelper

public ResultSetHelper()

Method Detail

initializeGRS2

public static void initializeGRS2()

Initializes the gRS2 for writing

multiGetAndWrite

public static URI multiGetAndWrite(List<RankedRecord> recs,
                                   org.apache.lucene.store.Directory index,
                                   Set<String> fields)
                            throws Exception

Gets the actual records from the rec and at the same time is writing them in a gRS2 result set.

Parameters:

recs -

index -

fields - the union of all fields of all the records

Returns:

gRS2 locator

Throws:

Exception

multiGetAndWriteNoStream

public static URI multiGetAndWriteNoStream(List<RankedRecord> recs,
                                           org.apache.lucene.store.Directory index,
                                           Set<String> fields)
                                    throws Exception

Gets the actual records from the rec and then writes them in a gRS2 result set.

Parameters:

recs -

index -

fields - the union of all fields of all the records

Returns:

gRS2 locator

Throws:

Exception

printRecords

public static void printRecords(List<gr.uoa.di.madgik.grs.record.GenericRecord> recs,
                                Set<String> fields)
                         throws gr.uoa.di.madgik.grs.record.GRS2RecordDefinitionException,
                                gr.uoa.di.madgik.grs.buffer.GRS2BufferException

Throws:

gr.uoa.di.madgik.grs.record.GRS2RecordDefinitionException

gr.uoa.di.madgik.grs.buffer.GRS2BufferException

getRSRecFields

public static List<String> getRSRecFields(gr.uoa.di.madgik.grs.record.GenericRecord rsRec)
                                   throws gr.uoa.di.madgik.grs.record.GRS2RecordDefinitionException

Gets the names of the fields for the given record

Parameters:

rsRec -

Returns:

list of field names

Throws:

gr.uoa.di.madgik.grs.record.GRS2RecordDefinitionException