cascading.local.tap.neo4j

Class Neo4jTap

java.lang.Object

cascading.tap.Tap<java.util.Properties,java.lang.Void,org.neo4j.driver.v1.Session>

cascading.local.tap.neo4j.Neo4jTap

All Implemented Interfaces:

cascading.flow.FlowElement, cascading.flow.planner.ScopedElement, cascading.util.Traceable, java.io.Serializable

public class Neo4jTap
extends cascading.tap.Tap<java.util.Properties,java.lang.Void,org.neo4j.driver.v1.Session>

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	NEO_4_J_PASSWORD
static java.lang.String	NEO_4_J_USERNAME

Constructor Summary

Constructors

Constructor and Description
Neo4jTap(java.util.Properties defaultProperties, Neo4jScheme scheme, java.net.URI identifier)

Method Summary

Modifier and Type	Method and Description
boolean	createResource(java.util.Properties conf)
boolean	deleteResource(java.util.Properties conf)
protected org.neo4j.driver.v1.Driver	getDriver(cascading.flow.FlowProcess<? extends java.util.Properties> flowProcess)
java.lang.String	getIdentifier()
long	getModifiedTime(java.util.Properties conf)
cascading.tuple.TupleEntryIterator	openForRead(cascading.flow.FlowProcess<? extends java.util.Properties> flowProcess, java.lang.Void aVoid)
cascading.tuple.TupleEntryCollector	openForWrite(cascading.flow.FlowProcess<? extends java.util.Properties> flowProcess, org.neo4j.driver.v1.Session session)
boolean	resourceExists(java.util.Properties conf)

Methods inherited from class cascading.tap.Tap

commitResource, createResource, deleteResource, entryStream, entryStream, entryStreamCopy, entryStreamCopy, equals, flowConfInit, getConfigDef, getFullIdentifier, getFullIdentifier, getModifiedTime, getNodeConfigDef, getScheme, getSinkFields, getSinkMode, getSourceFields, getStepConfigDef, getTrace, hasConfigDef, hashCode, hasNodeConfigDef, hasStepConfigDef, id, isKeep, isReplace, isSink, isSource, isTemporary, isUpdate, openForRead, openForReadUnchecked, openForWrite, outgoingScopeFor, prepareResourceForRead, prepareResourceForWrite, presentSinkFields, presentSourceFields, resolveIncomingOperationArgumentFields, resolveIncomingOperationPassThroughFields, resourceExists, retrieveSinkFields, retrieveSourceFields, rollbackResource, setScheme, sinkConfInit, sourceConfInit, spliterator, splititerator, taps, toString, tupleStream, tupleStream, tupleStreamCopy, tupleStreamCopy

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

NEO_4_J_USERNAME

public static final java.lang.String NEO_4_J_USERNAME

See Also:

Constant Field Values

NEO_4_J_PASSWORD

public static final java.lang.String NEO_4_J_PASSWORD

See Also:

Constant Field Values

Constructor Detail

Neo4jTap

public Neo4jTap(java.util.Properties defaultProperties,
                Neo4jScheme scheme,
                java.net.URI identifier)

Method Detail

getDriver

protected org.neo4j.driver.v1.Driver getDriver(cascading.flow.FlowProcess<? extends java.util.Properties> flowProcess)

getIdentifier

public java.lang.String getIdentifier()

Specified by:

getIdentifier in class cascading.tap.Tap<java.util.Properties,java.lang.Void,org.neo4j.driver.v1.Session>

openForRead

public cascading.tuple.TupleEntryIterator openForRead(cascading.flow.FlowProcess<? extends java.util.Properties> flowProcess,
                                                      java.lang.Void aVoid)
                                               throws java.io.IOException

Specified by:

openForRead in class cascading.tap.Tap<java.util.Properties,java.lang.Void,org.neo4j.driver.v1.Session>

Throws:

java.io.IOException

openForWrite

public cascading.tuple.TupleEntryCollector openForWrite(cascading.flow.FlowProcess<? extends java.util.Properties> flowProcess,
                                                        org.neo4j.driver.v1.Session session)
                                                 throws java.io.IOException

Specified by:

openForWrite in class cascading.tap.Tap<java.util.Properties,java.lang.Void,org.neo4j.driver.v1.Session>

Throws:

java.io.IOException

createResource

public boolean createResource(java.util.Properties conf)
                       throws java.io.IOException

Specified by:

createResource in class cascading.tap.Tap<java.util.Properties,java.lang.Void,org.neo4j.driver.v1.Session>

Throws:

java.io.IOException

deleteResource

public boolean deleteResource(java.util.Properties conf)
                       throws java.io.IOException

Specified by:

deleteResource in class cascading.tap.Tap<java.util.Properties,java.lang.Void,org.neo4j.driver.v1.Session>

Throws:

java.io.IOException

resourceExists

public boolean resourceExists(java.util.Properties conf)
                       throws java.io.IOException

Specified by:

resourceExists in class cascading.tap.Tap<java.util.Properties,java.lang.Void,org.neo4j.driver.v1.Session>

Throws:

java.io.IOException

getModifiedTime

public long getModifiedTime(java.util.Properties conf)
                     throws java.io.IOException

Specified by:

getModifiedTime in class cascading.tap.Tap<java.util.Properties,java.lang.Void,org.neo4j.driver.v1.Session>

Throws:

java.io.IOException