org.openecomp.aai.serialization.engines.query

Class QueryEngine

java.lang.Object

org.openecomp.aai.serialization.engines.query.QueryEngine

Direct Known Subclasses:

GraphTraversalQueryEngine

public abstract class QueryEngine
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
protected TransactionalGraphEngine	dbEngine

Constructor Summary

Constructors

Constructor and Description
QueryEngine(TransactionalGraphEngine graphEngine) Instantiates a new query engine.

Method Summary

Modifier and Type	Method and Description
abstract List<org.apache.tinkerpop.gremlin.structure.Vertex>	executeParentQuery(org.apache.tinkerpop.gremlin.structure.Graph g, QueryBuilder query) Execute parent query.
abstract List<org.apache.tinkerpop.gremlin.structure.Vertex>	executeQuery(org.apache.tinkerpop.gremlin.structure.Graph g, QueryBuilder query) Execute query.
abstract List<org.apache.tinkerpop.gremlin.structure.Vertex>	findChildren(org.apache.tinkerpop.gremlin.structure.Vertex start) Find children.
abstract List<org.apache.tinkerpop.gremlin.structure.Vertex>	findDeletable(org.apache.tinkerpop.gremlin.structure.Vertex start) Find deletable.
abstract List<org.apache.tinkerpop.gremlin.structure.Vertex>	findParents(org.apache.tinkerpop.gremlin.structure.Vertex start) Find parents.
abstract List<org.apache.tinkerpop.gremlin.structure.Vertex>	findRelatedVertices(org.apache.tinkerpop.gremlin.structure.Vertex start, org.apache.tinkerpop.gremlin.structure.Direction direction, String label, String nodeType) Find related vertices.

Methods inherited from class java.lang.Object

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

Field Detail

dbEngine

protected TransactionalGraphEngine dbEngine

Constructor Detail

QueryEngine

public QueryEngine(TransactionalGraphEngine graphEngine)

Instantiates a new query engine.

Parameters:

graphEngine - the graph engine

Method Detail

executeQuery

public abstract List<org.apache.tinkerpop.gremlin.structure.Vertex> executeQuery(org.apache.tinkerpop.gremlin.structure.Graph g,
                                                                                 QueryBuilder query)

Execute query.

Parameters:

g - the g

query - the query

Returns:

the list

executeParentQuery

public abstract List<org.apache.tinkerpop.gremlin.structure.Vertex> executeParentQuery(org.apache.tinkerpop.gremlin.structure.Graph g,
                                                                                       QueryBuilder query)

Execute parent query.

Parameters:

g - the g

query - the query

Returns:

the list

findParents

public abstract List<org.apache.tinkerpop.gremlin.structure.Vertex> findParents(org.apache.tinkerpop.gremlin.structure.Vertex start)

Find parents.

Parameters:

start - the start

Returns:

the list

findChildren

public abstract List<org.apache.tinkerpop.gremlin.structure.Vertex> findChildren(org.apache.tinkerpop.gremlin.structure.Vertex start)

Find children.

Parameters:

start - the start

Returns:

the list

findDeletable

public abstract List<org.apache.tinkerpop.gremlin.structure.Vertex> findDeletable(org.apache.tinkerpop.gremlin.structure.Vertex start)

Find deletable.

Parameters:

start - the start

Returns:

the list

findRelatedVertices

public abstract List<org.apache.tinkerpop.gremlin.structure.Vertex> findRelatedVertices(org.apache.tinkerpop.gremlin.structure.Vertex start,
                                                                                        org.apache.tinkerpop.gremlin.structure.Direction direction,
                                                                                        String label,
                                                                                        String nodeType)

Find related vertices.

Parameters:

start - the start

direction - the direction

label - the label

nodeType - the node type

Returns:

the list