org.odpi.openmetadata.openconnectors.governancedaemonconnectors.openlineageconnectors.janusconnector.graph

Class LineageGraphTransactionManager

java.lang.Object

org.odpi.openmetadata.openconnectors.governancedaemonconnectors.openlineageconnectors.janusconnector.graph.LineageGraphTransactionManager

public class LineageGraphTransactionManager
extends Object

Utility class responsible with transaction commits for operations done on the graph. Wraps incoming functional interfaces in a try/catch block, calls their specific method and commits the transaction.

Constructor Summary

Constructors

Constructor and Description
LineageGraphTransactionManager()

Method Summary

Modifier and Type	Method and Description
static <T,U> void	commit(GraphFactory factory, org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource g, BiConsumer<T,U> biConsumer, T arg1, U arg2, String errorMessage) Commits a transaction after calling method accept on incoming biConsumer
static <T> void	commit(GraphFactory factory, org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource g, Consumer<T> consumer, T arg1, String errorMessage) Commits a transaction after calling method accept on incoming consumer
static <T,R> R	commit(GraphFactory factory, org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource g, Function<T,R> function, T entity, String errorMessage) Commits a transaction after calling method apply on incoming function
static <R> R	commit(GraphFactory factory, org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource g, Supplier<R> supplier, String errorMessage) Commits a transaction after calling method get on incoming supplier

Methods inherited from class java.lang.Object

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

Constructor Detail

LineageGraphTransactionManager

public LineageGraphTransactionManager()

Method Detail

commit

public static <T,R> R commit(GraphFactory factory,
                             org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource g,
                             Function<T,R> function,
                             T entity,
                             String errorMessage)

Commits a transaction after calling method apply on incoming function

Parameters:

factory - graph factory

g - graph traversal source

function - graph operation

entity - function argument

errorMessage - message logged at ERROR level, in case of exceptions

Returns:

function output

commit

public static <R> R commit(GraphFactory factory,
                           org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource g,
                           Supplier<R> supplier,
                           String errorMessage)

Commits a transaction after calling method get on incoming supplier

Parameters:

factory - graph factory

g - graph traversal source

supplier - graph operation

errorMessage - message logged at ERROR level, in case of exceptions

Returns:

supplier output

commit

public static <T> void commit(GraphFactory factory,
                              org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource g,
                              Consumer<T> consumer,
                              T arg1,
                              String errorMessage)

Commits a transaction after calling method accept on incoming consumer

Parameters:

factory - graph factory

g - graph traversal source

consumer - graph operation

arg1 - consumer argument

errorMessage - message logged at ERROR level, in case of exceptions

commit

public static <T,U> void commit(GraphFactory factory,
                                org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource g,
                                BiConsumer<T,U> biConsumer,
                                T arg1,
                                U arg2,
                                String errorMessage)

Commits a transaction after calling method accept on incoming biConsumer

Parameters:

factory - graph factory

g - graph traversal source

biConsumer - graph operation

arg1 - biConsumer argument

arg2 - biConsumer argument

errorMessage - message logged at ERROR level, in case of exceptions