com.impetus.kundera.index

Class DocumentIndexer

java.lang.Object

com.impetus.kundera.index.DocumentIndexer

All Implemented Interfaces:

Indexer

Direct Known Subclasses:

LuceneIndexer

public abstract class DocumentIndexer
extends Object
implements Indexer

The Class KunderaIndexer.

Author:

animesh.kumar

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.lucene.analysis.Analyzer	analyzer The analyzer.
protected static String	DEFAULT_SEARCHABLE_FIELD The Constant DEFAULT_SEARCHABLE_FIELD.
protected static int	docNumber The doc number.
protected static String	INDEX_NAME The INDEX_NAME.
private static org.slf4j.Logger	LOG log for this class.
protected static String	SUPERCOLUMN_INDEX The Constant SUPERCOLUMN_INDEX.
protected org.apache.lucene.analysis.Tokenizer	tokenizer The tokenizer.
private static long	UUID The Constant UUID.

Constructor Summary

Constructors

Constructor and Description
DocumentIndexer() Instantiates a new lucandra indexer.

Method Summary

Modifier and Type	Method and Description
protected void	addAssociatedEntitiesToDocument(EntityMetadata metadata, Object entity, org.apache.lucene.document.Document document, MetamodelImpl metaModel)
protected void	addEntityClassToDocument(EntityMetadata metadata, Object entity, org.apache.lucene.document.Document document, MetamodelImpl metaModel) Prepare index document.
protected void	addEntityFieldsToDocument(EntityMetadata metadata, Object entity, org.apache.lucene.document.Document document, MetamodelImpl metaModel) Adds the index properties.
private void	addFieldToDocument(Object object, org.apache.lucene.document.Document document, Field field, String colName, String indexName) Index field.
protected void	addParentKeyToDocument(String parentId, org.apache.lucene.document.Document currentDoc, Class<?> clazz) Index parent key.
private void	addSuperColumnNameToDocument(String superColumnName, org.apache.lucene.document.Document currentDoc) Index super column name.
protected void	createSuperColumnDocument(EntityMetadata metadata, Object object, org.apache.lucene.document.Document currentDoc, Object embeddedObject, javax.persistence.metamodel.EmbeddableType superColumn, MetamodelImpl metamodel) Index super column.
protected String	getCannonicalPropertyName(String indexName, String propertyName) Gets the cannonical property name.
protected String	getKunderaId(EntityMetadata metadata, Object id) Gets the kundera id.
protected void	indexCompositeKey(Set<javax.persistence.metamodel.Attribute> embeddedAttributes, EntityMetadata metadata, Object id, org.apache.lucene.document.Document document, MetamodelImpl metaModel) index compositekey
protected abstract void	indexDocument(EntityMetadata metadata, org.apache.lucene.document.Document currentDoc) Index document.
protected void	indexSuperColumn(EntityMetadata metadata, Object object, org.apache.lucene.document.Document currentDoc, Object embeddedObject, javax.persistence.metamodel.EmbeddableType superColumn, MetamodelImpl metamodel) Index super column.
protected org.apache.lucene.document.Document	prepareDocumentForSuperColumn(EntityMetadata metadata, Object object, String embeddedColumnName, String parentId, Class<?> clazz) Prepare document.
Map<String,Object>	search(String query, Class<?> parentClass, EntityMetadata parentMetadata, Class<?> childClass, EntityMetadata childMetadata, Object entityId, int start, int count)

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.impetus.kundera.index.lucene.Indexer

close, documentExistsInIndex, entityExistsInIndex, flush, index, index, search, unindex, update

Methods inherited from interface com.impetus.kundera.index.Indexer

index, search, search, unIndex

Field Detail

LOG

private static final org.slf4j.Logger LOG

log for this class.

INDEX_NAME

protected static final String INDEX_NAME

The INDEX_NAME.

See Also:

Constant Field Values

UUID

private static final long UUID

The Constant UUID.

See Also:

Constant Field Values

DEFAULT_SEARCHABLE_FIELD

protected static final String DEFAULT_SEARCHABLE_FIELD

The Constant DEFAULT_SEARCHABLE_FIELD.

See Also:

Constant Field Values

SUPERCOLUMN_INDEX

protected static final String SUPERCOLUMN_INDEX

The Constant SUPERCOLUMN_INDEX.

See Also:

Constant Field Values

docNumber

protected static int docNumber

The doc number.

analyzer

protected org.apache.lucene.analysis.Analyzer analyzer

The analyzer.

tokenizer

protected org.apache.lucene.analysis.Tokenizer tokenizer

The tokenizer.

Constructor Detail

DocumentIndexer

public DocumentIndexer()

Instantiates a new lucandra indexer.

Parameters:

analyzer - the analyzer

Method Detail

prepareDocumentForSuperColumn

protected org.apache.lucene.document.Document prepareDocumentForSuperColumn(EntityMetadata metadata,
                                                                            Object object,
                                                                            String embeddedColumnName,
                                                                            String parentId,
                                                                            Class<?> clazz)

Prepare document.

Parameters:

metadata - the metadata

object - the object

embeddedColumnName - the super column name

parentId - the parent id

clazz - the clazz

Returns:

the document

addParentKeyToDocument

protected void addParentKeyToDocument(String parentId,
                                      org.apache.lucene.document.Document currentDoc,
                                      Class<?> clazz)

Index parent key.

Parameters:

parentId - the parent id

currentDoc - the current doc

clazz - the clazz

createSuperColumnDocument

protected void createSuperColumnDocument(EntityMetadata metadata,
                                         Object object,
                                         org.apache.lucene.document.Document currentDoc,
                                         Object embeddedObject,
                                         javax.persistence.metamodel.EmbeddableType superColumn,
                                         MetamodelImpl metamodel)

Index super column.

Parameters:

metadata - the metadata

object - the object

currentDoc - the current doc

embeddedObject - the embedded object

superColumn - the super column

metamodel -

indexSuperColumn

protected void indexSuperColumn(EntityMetadata metadata,
                                Object object,
                                org.apache.lucene.document.Document currentDoc,
                                Object embeddedObject,
                                javax.persistence.metamodel.EmbeddableType superColumn,
                                MetamodelImpl metamodel)

Index super column.

Parameters:

metadata - the metadata

object - the object

currentDoc - the current doc

embeddedObject - the embedded object

superColumn - the super column

metamodel -

addSuperColumnNameToDocument

private void addSuperColumnNameToDocument(String superColumnName,
                                          org.apache.lucene.document.Document currentDoc)

Index super column name.

Parameters:

superColumnName - the super column name

currentDoc - the current doc

addEntityFieldsToDocument

protected void addEntityFieldsToDocument(EntityMetadata metadata,
                                         Object entity,
                                         org.apache.lucene.document.Document document,
                                         MetamodelImpl metaModel)

Adds the index properties.

Parameters:

metadata - the metadata

entity - the object

document - the document

metaModel -

addAssociatedEntitiesToDocument

protected void addAssociatedEntitiesToDocument(EntityMetadata metadata,
                                               Object entity,
                                               org.apache.lucene.document.Document document,
                                               MetamodelImpl metaModel)

Parameters:

metadata -

entity -

document -

metaModel - Add indexes for associated columns

indexCompositeKey

protected void indexCompositeKey(Set<javax.persistence.metamodel.Attribute> embeddedAttributes,
                                 EntityMetadata metadata,
                                 Object id,
                                 org.apache.lucene.document.Document document,
                                 MetamodelImpl metaModel)

index compositekey

Parameters:

metadata -

id -

document -

metaModel -

addEntityClassToDocument

protected void addEntityClassToDocument(EntityMetadata metadata,
                                        Object entity,
                                        org.apache.lucene.document.Document document,
                                        MetamodelImpl metaModel)

Prepare index document.

Parameters:

metadata - the metadata

entity - the object

document - the document

addFieldToDocument

private void addFieldToDocument(Object object,
                                org.apache.lucene.document.Document document,
                                Field field,
                                String colName,
                                String indexName)

Index field.

Parameters:

object - the object

document - the document

field - the field

colName - the col name

indexName - the index name

search

public Map<String,Object> search(String query,
                                 Class<?> parentClass,
                                 EntityMetadata parentMetadata,
                                 Class<?> childClass,
                                 EntityMetadata childMetadata,
                                 Object entityId,
                                 int start,
                                 int count)

Specified by:

search in interface Indexer

getKunderaId

protected String getKunderaId(EntityMetadata metadata,
                              Object id)

Gets the kundera id.

Parameters:

metadata - the metadata

id - the id

Returns:

the kundera id

getCannonicalPropertyName

protected String getCannonicalPropertyName(String indexName,
                                           String propertyName)

Gets the cannonical property name.

Parameters:

indexName - the index name

propertyName - the property name

Returns:

the cannonical property name

indexDocument

protected abstract void indexDocument(EntityMetadata metadata,
                                      org.apache.lucene.document.Document currentDoc)

Index document.

Parameters:

metadata - the metadata

currentDoc - the current doc