com.graphaware.tx.event.improved.data.lazy

Class LazyNodeTransactionData

java.lang.Object

com.graphaware.tx.event.improved.data.lazy.LazyEntityTransactionData<org.neo4j.graphdb.Node>

com.graphaware.tx.event.improved.data.lazy.LazyNodeTransactionData

All Implemented Interfaces:

EntityTransactionData<org.neo4j.graphdb.Node>, NodeTransactionData

public class LazyNodeTransactionData
extends LazyEntityTransactionData<org.neo4j.graphdb.Node>
implements NodeTransactionData

LazyEntityTransactionData for Nodes.

Constructor Summary

Constructors

Constructor and Description
LazyNodeTransactionData(org.neo4j.graphdb.event.TransactionData transactionData, TransactionDataContainer transactionDataContainer) Construct node transaction data from Neo4j TransactionData.

Method Summary

Modifier and Type	Method and Description
Set<org.neo4j.graphdb.Label>	assignedLabels(org.neo4j.graphdb.Node node) Get labels assigned in the transaction.
protected Iterable<org.neo4j.graphdb.event.PropertyEntry<org.neo4j.graphdb.Node>>	assignedProperties() Get all assigned properties from the Neo4j API.
protected Iterable<org.neo4j.graphdb.Node>	created() Get all entities created in the transaction from the Neo4j API.
protected Iterable<org.neo4j.graphdb.Node>	deleted() Get all entities deleted in the transaction from the Neo4j API.
protected void	doInitializeChanged()
boolean	hasLabelBeenAssigned(org.neo4j.graphdb.Node node, org.neo4j.graphdb.Label label) Check whether a label has been assigned in the transaction.
boolean	hasLabelBeenRemoved(org.neo4j.graphdb.Node node, org.neo4j.graphdb.Label label) Check whether a label has been removed in the transaction.
Set<org.neo4j.graphdb.Label>	labelsOfDeletedNode(org.neo4j.graphdb.Node node) Get labels of a deleted node.
protected org.neo4j.graphdb.Node	newSnapshot(org.neo4j.graphdb.Node original) Create a new snapshot of an original entity.
protected org.neo4j.graphdb.Node	oldSnapshot(org.neo4j.graphdb.Node original) Create an old snapshot of an original entity.
Set<org.neo4j.graphdb.Label>	removedLabels(org.neo4j.graphdb.Node node) Get labels removed in the transaction.
protected Iterable<org.neo4j.graphdb.event.PropertyEntry<org.neo4j.graphdb.Node>>	removedProperties() Get all removed properties from the Neo4j API.

Methods inherited from class com.graphaware.tx.event.improved.data.lazy.LazyEntityTransactionData

changedContainsKey, changedProperties, createChangeObject, createdProperties, deletedProperties, getAllChanged, getAllCreated, getAllDeleted, getChanged, getDeleted, hasBeenChanged, hasBeenCreated, hasBeenDeleted, hasPropertyBeenChanged, hasPropertyBeenCreated, hasPropertyBeenDeleted, initializeChanged, propertiesOfDeletedEntity, registerChange

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.graphaware.tx.event.improved.data.EntityTransactionData

changedProperties, createdProperties, deletedProperties, getAllChanged, getAllCreated, getAllDeleted, getChanged, getDeleted, hasBeenChanged, hasBeenCreated, hasBeenDeleted, hasPropertyBeenChanged, hasPropertyBeenCreated, hasPropertyBeenDeleted, propertiesOfDeletedEntity

Constructor Detail

LazyNodeTransactionData

public LazyNodeTransactionData(org.neo4j.graphdb.event.TransactionData transactionData,
                               TransactionDataContainer transactionDataContainer)

Construct node transaction data from Neo4j TransactionData.

Parameters:

transactionData - provided by Neo4j.

transactionDataContainer - containing EntityTransactionData..

Method Detail

oldSnapshot

protected org.neo4j.graphdb.Node oldSnapshot(org.neo4j.graphdb.Node original)

Create an old snapshot of an original entity.

Specified by:

oldSnapshot in class LazyEntityTransactionData<org.neo4j.graphdb.Node>

Parameters:

original - to create a snapshot from.

Returns:

the snapshot.

newSnapshot

protected org.neo4j.graphdb.Node newSnapshot(org.neo4j.graphdb.Node original)

Create a new snapshot of an original entity.

Specified by:

newSnapshot in class LazyEntityTransactionData<org.neo4j.graphdb.Node>

Parameters:

original - to create a snapshot from.

Returns:

the snapshot.

created

protected Iterable<org.neo4j.graphdb.Node> created()

Get all entities created in the transaction from the Neo4j API.

Specified by:

created in class LazyEntityTransactionData<org.neo4j.graphdb.Node>

Returns:

created entities.

deleted

protected Iterable<org.neo4j.graphdb.Node> deleted()

Get all entities deleted in the transaction from the Neo4j API.

Specified by:

deleted in class LazyEntityTransactionData<org.neo4j.graphdb.Node>

Returns:

created entities.

assignedProperties

protected Iterable<org.neo4j.graphdb.event.PropertyEntry<org.neo4j.graphdb.Node>> assignedProperties()

Get all assigned properties from the Neo4j API.

Specified by:

assignedProperties in class LazyEntityTransactionData<org.neo4j.graphdb.Node>

Returns:

assigned properties.

removedProperties

protected Iterable<org.neo4j.graphdb.event.PropertyEntry<org.neo4j.graphdb.Node>> removedProperties()

Get all removed properties from the Neo4j API.

Specified by:

removedProperties in class LazyEntityTransactionData<org.neo4j.graphdb.Node>

Returns:

removed properties.

hasLabelBeenAssigned

public boolean hasLabelBeenAssigned(org.neo4j.graphdb.Node node,
                                    org.neo4j.graphdb.Label label)

Check whether a label has been assigned in the transaction.

Specified by:

hasLabelBeenAssigned in interface NodeTransactionData

Parameters:

node - to check.

label - to check.

Returns:

true iff the node has been assigned.

assignedLabels

public Set<org.neo4j.graphdb.Label> assignedLabels(org.neo4j.graphdb.Node node)

Get labels assigned in the transaction.

Specified by:

assignedLabels in interface NodeTransactionData

Parameters:

node - for which to get assigned labels.

Returns:

read-only labels created for the given node.

hasLabelBeenRemoved

public boolean hasLabelBeenRemoved(org.neo4j.graphdb.Node node,
                                   org.neo4j.graphdb.Label label)

Check whether a label has been removed in the transaction.

Specified by:

hasLabelBeenRemoved in interface NodeTransactionData

Parameters:

node - to check.

label - to check.

Returns:

true iff the label has been removed.

removedLabels

public Set<org.neo4j.graphdb.Label> removedLabels(org.neo4j.graphdb.Node node)

Get labels removed in the transaction.

Specified by:

removedLabels in interface NodeTransactionData

Parameters:

node - for which to get removed labels.

Returns:

read-only labels removed for the given node.

labelsOfDeletedNode

public Set<org.neo4j.graphdb.Label> labelsOfDeletedNode(org.neo4j.graphdb.Node node)

Get labels of a deleted node.

Specified by:

labelsOfDeletedNode in interface NodeTransactionData

Parameters:

node - deleted node.

Returns:

read-only labels of the deleted node.

doInitializeChanged

protected void doInitializeChanged()

Overrides:

doInitializeChanged in class LazyEntityTransactionData<org.neo4j.graphdb.Node>