Package gov.nasa.pds.registry.common.dd

Class LddEsJsonWriter

java.lang.Object

gov.nasa.pds.registry.common.dd.LddEsJsonWriter

public class LddEsJsonWriter
extends Object

Writes Elasticsearch JSON data file to be loaded into data dictionary index.

Author:

karpenko

Constructor Summary

Constructors

Constructor	Description
LddEsJsonWriter(File outFile, Pds2EsDataTypeMap dtMap, Map<String,DDAttribute> ddAttrCache, boolean overwrite)	Constructor

Method Summary

Modifier and Type	Method	Description
void	close()	Close output file
void	setNamespaceFilter(String filter)	Set namespace filter.
void	writeFieldDefinition(String classNs, String className, String attrId)	Write field definition (Elasticsearch field name, data type and other information)
void	writeLddInfo(String namespace, String schemaFileName, String imVersion, String lddVersion, String date)	Write PDS LDD version and date

Methods inherited from class java.lang.Object

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

Constructor Details

LddEsJsonWriter

public LddEsJsonWriter(File outFile,
 Pds2EsDataTypeMap dtMap,
 Map<String,DDAttribute> ddAttrCache,
 boolean overwrite)
                throws Exception

Constructor

Parameters:

outFile - Elasticsearch JSON data file

dtMap - PDS to Elasticsearch data type map

ddAttrCache - LDD attribute cache

Throws:

Exception - an exception

Method Details

setNamespaceFilter

public void setNamespaceFilter(String filter)

Set namespace filter. Only process classes having this namespace.

Parameters:

filter - namespace, such as 'pds'

close

public void close()
           throws Exception

Close output file

Throws:

Exception - an exception

writeFieldDefinition

public void writeFieldDefinition(String classNs,
 String className,
 String attrId)
                          throws Exception

Write field definition (Elasticsearch field name, data type and other information)

Parameters:

classNs - LDD class namespace

className - LDD class name

attrId - LDD attribute ID

Throws:

Exception - an exception

writeLddInfo

public void writeLddInfo(String namespace,
 String schemaFileName,
 String imVersion,
 String lddVersion,
 String date)
                  throws Exception

Write PDS LDD version and date

Parameters:

namespace - namespace

schemaFileName - schema file name

imVersion - IM version

lddVersion - LDD version

date - date

Throws:

Exception - an exception