er.neo4jadaptor.query

Class Filter<T extends org.neo4j.graphdb.PropertyContainer>

java.lang.Object

er.neo4jadaptor.query.Filter<T>

Type Parameters:

T -

Direct Known Subclasses:

AllOfTypeFilter, ByPrimaryKeyFilter, LayeringFilter, LuceneFilter

public abstract class Filter<T extends org.neo4j.graphdb.PropertyContainer>
extends Object

Performs Neo4J node/relationship filtering to exclude ones that do not match search criteria. The contract is that if a PropertyContainer is excluded from the Results then for sure it didn't match search criterias, but if a node/relationship is returned in Results then it may or may not match the criteria.

Author:

Jedrzej Sobanski

Field Summary

Fields

Modifier and Type	Field and Description
protected Filter<T>	successor

Constructor Summary

Constructors

Constructor and Description
Filter()

Method Summary

Modifier and Type	Method and Description
abstract Results<T>	doFilter(org.neo4j.graphdb.GraphDatabaseService db, EOEntity entity, EOQualifier qualifier) Perform search.
void	setSuccessor(Filter<T> successor) Set chain of responsibility pattern delegate.

Methods inherited from class java.lang.Object

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

Field Detail

successor

protected Filter<T extends org.neo4j.graphdb.PropertyContainer> successor

Constructor Detail

Filter

public Filter()

Method Detail

doFilter

public abstract Results<T> doFilter(org.neo4j.graphdb.GraphDatabaseService db,
                                    EOEntity entity,
                                    EOQualifier qualifier)

Perform search.

Parameters:

db - database to search in

entity - entity to search records from

qualifier - search criteria

Returns:

records that may match search criteria

setSuccessor

public void setSuccessor(Filter<T> successor)

Set chain of responsibility pattern delegate.

Parameters:

successor -