org.neo4j.kernel.impl.batchinsert
Class BatchInserterImpl

java.lang.Object
  org.neo4j.kernel.impl.batchinsert.BatchInserterImpl

All Implemented Interfaces:

BatchInserter

public class BatchInserterImpl
extends Object
implements BatchInserter

Constructor Summary

BatchInserterImpl(String storeDir)

BatchInserterImpl(String storeDir, Map<String,String> stringParams)

Method Summary

void	createNode(long id, Map<String,Object> properties) Creates a node with supplied id and properties.
long	createNode(Map<String,Object> properties) Creates a node assigning next available id to id and also adds any properties supplied.
long	createRelationship(long node1, long node2, RelationshipType type, Map<String,Object> properties) Creates a relationship between two nodes of a specific type.
GraphDatabaseService	getGraphDbService()
IdGeneratorFactory	getIdGeneratorFactory()
IndexStore	getIndexStore()
Map<String,Object>	getNodeProperties(long nodeId) Returns a map containing all the properties of this node.
long	getReferenceNode() Returns the reference node id or -1 if it doesn't exist.
SimpleRelationship	getRelationshipById(long relId) Gets a relationship by id.
Iterable<Long>	getRelationshipIds(long nodeId) Returns an iterable over all the relationship ids connected to node with supplied id.
Map<String,Object>	getRelationshipProperties(long relId) Returns a map containing all the properties of the relationships.
Iterable<SimpleRelationship>	getRelationships(long nodeId) Returns an iterable of relationships connected to the node with supplied id.
String	getStore() Returns the path to this Neo4j store.
static Map<String,String>	loadProperties(String file)
boolean	nodeExists(long nodeId) Checks if a node with the given id exists.
boolean	nodeHasProperty(long node, String propertyName) Returns true iff the node with id has a property with name .
boolean	relationshipHasProperty(long relationship, String propertyName) Returns true iff the relationship with id has a property with name .
void	removeNodeProperty(long node, String propertyName) Removes the property named from the node with id , if present.
void	removeRelationshipProperty(long relationship, String propertyName) Removes the property named from the relationship with id , if present.
void	setNodeProperties(long node, Map<String,Object> properties) Sets the properties of a node.
void	setNodeProperty(long node, String propertyName, Object propertyValue) Sets the property with name of node with id to the value .
void	setRelationshipProperties(long rel, Map<String,Object> properties) Sets the properties of a relationship.
void	setRelationshipProperty(long relationship, String propertyName, Object propertyValue) Sets the property with name of relationship with id to the value .
void	shutdown() Shuts down this batch inserter syncing all changes that are still only in memory to disk.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

BatchInserterImpl

public BatchInserterImpl(String storeDir)

BatchInserterImpl

public BatchInserterImpl(String storeDir,
                         Map<String,String> stringParams)

Method Detail

nodeHasProperty

public boolean nodeHasProperty(long node,
                               String propertyName)

Description copied from interface: BatchInserter

Returns true iff the node with id has a property with name .

Specified by:

nodeHasProperty in interface BatchInserter

Parameters:

node - The node id of the node to check.

propertyName - The property name to check for

Returns:

True if the node has the named property - false otherwise.

relationshipHasProperty

public boolean relationshipHasProperty(long relationship,
                                       String propertyName)

Description copied from interface: BatchInserter

Returns true iff the relationship with id has a property with name .

Specified by:

relationshipHasProperty in interface BatchInserter

Parameters:

relationship - The relationship id of the relationship to check.

propertyName - The property name to check for

Returns:

True if the relationship has the named property - false otherwise.

setNodeProperty

public void setNodeProperty(long node,
                            String propertyName,
                            Object propertyValue)

Description copied from interface: BatchInserter

Sets the property with name of node with id to the value . If the property exists it is updated, otherwise created.

Specified by:

setNodeProperty in interface BatchInserter

Parameters:

node - The node id of the node whose property is to be set

propertyName - The name of the property to set

propertyValue - The value of the property to set

setRelationshipProperty

public void setRelationshipProperty(long relationship,
                                    String propertyName,
                                    Object propertyValue)

Description copied from interface: BatchInserter

Sets the property with name of relationship with id to the value . If the property exists it is updated, otherwise created.

Specified by:

setRelationshipProperty in interface BatchInserter

Parameters:

relationship - The node id of the relationship whose property is to be set

propertyName - The name of the property to set

propertyValue - The value of the property to set

removeNodeProperty

public void removeNodeProperty(long node,
                               String propertyName)

Description copied from interface: BatchInserter

Removes the property named from the node with id , if present.

Specified by:

removeNodeProperty in interface BatchInserter

Parameters:

node - The id of the node from which to remove the property

propertyName - The name of the property

removeRelationshipProperty

public void removeRelationshipProperty(long relationship,
                                       String propertyName)

Description copied from interface: BatchInserter

Removes the property named from the relationship with id , if present.

Specified by:

removeRelationshipProperty in interface BatchInserter

Parameters:

relationship - The id of the relationship from which to remove the property

propertyName - The name of the property

createNode

public long createNode(Map<String,Object> properties)

Description copied from interface: BatchInserter

Creates a node assigning next available id to id and also adds any properties supplied.

Specified by:

createNode in interface BatchInserter

Parameters:

properties - a map containing properties or null if no properties should be added.

Returns:

The id of the created node.

createNode

public void createNode(long id,
                       Map<String,Object> properties)

Description copied from interface: BatchInserter

Creates a node with supplied id and properties. If a node with the given id exist a runtime exception will be thrown.

Specified by:

createNode in interface BatchInserter

Parameters:

id - the id of the node to create.

properties - map containing properties or null if no properties should be added.

createRelationship

public long createRelationship(long node1,
                               long node2,
                               RelationshipType type,
                               Map<String,Object> properties)

Description copied from interface: BatchInserter

Creates a relationship between two nodes of a specific type.

Specified by:

createRelationship in interface BatchInserter

Parameters:

node1 - the start node.

node2 - the end node.

type - relationship type.

properties - map containing properties or null if no properties should be added.

Returns:

the id of the created relationship.

setNodeProperties

public void setNodeProperties(long node,
                              Map<String,Object> properties)

Description copied from interface: BatchInserter

Sets the properties of a node. This method will remove any properties already existing and replace it with properties in the supplied map.

For best performance try supply all the nodes properties upon creation of the node. This method will delete any existing properties so using it together with BatchInserter.getNodeProperties(long) will have bad performance.

Specified by:

setNodeProperties in interface BatchInserter

Parameters:

node - the id of the node.

properties - map containing the properties or null to clear all properties.

setRelationshipProperties

public void setRelationshipProperties(long rel,
                                      Map<String,Object> properties)

Description copied from interface: BatchInserter

Sets the properties of a relationship. This method will remove any properties already existing and replace it with properties in the supplied map.

For best performance try supply all the relationship properties upon creation of the relationship. This method will delete any existing properties so using it together with BatchInserter.getRelationshipProperties(long) will have bad performance.

Specified by:

setRelationshipProperties in interface BatchInserter

Parameters:

rel - the id of the relationship.

properties - map containing the properties or null to clear all properties.

nodeExists

public boolean nodeExists(long nodeId)

Description copied from interface: BatchInserter

Checks if a node with the given id exists.

Specified by:

nodeExists in interface BatchInserter

Parameters:

nodeId - the id of the node.

Returns:

true if the node exists.

getNodeProperties

public Map<String,Object> getNodeProperties(long nodeId)

Description copied from interface: BatchInserter

Returns a map containing all the properties of this node.

Specified by:

getNodeProperties in interface BatchInserter

Parameters:

nodeId - the id of the node.

Returns:

map containing this node's properties.

getRelationshipIds

public Iterable<Long> getRelationshipIds(long nodeId)

Description copied from interface: BatchInserter

Returns an iterable over all the relationship ids connected to node with supplied id.

Specified by:

getRelationshipIds in interface BatchInserter

Parameters:

nodeId - the id of the node.

Returns:

iterable over the relationship ids connected to the node.

getRelationships

public Iterable<SimpleRelationship> getRelationships(long nodeId)

Description copied from interface: BatchInserter

Returns an iterable of relationships connected to the node with supplied id.

Specified by:

getRelationships in interface BatchInserter

Parameters:

nodeId - the id of the node.

Returns:

iterable over the relationships connected to the node.

getRelationshipById

public SimpleRelationship getRelationshipById(long relId)

Description copied from interface: BatchInserter

Gets a relationship by id.

Specified by:

getRelationshipById in interface BatchInserter

Parameters:

relId - the relationship id.

Returns:

a simple relationship wrapper for the relationship.

getRelationshipProperties

public Map<String,Object> getRelationshipProperties(long relId)

Description copied from interface: BatchInserter

Returns a map containing all the properties of the relationships.

Specified by:

getRelationshipProperties in interface BatchInserter

Parameters:

relId - the id of the relationship.

Returns:

map containing the relationship's properties.

shutdown

public void shutdown()

Description copied from interface: BatchInserter

Shuts down this batch inserter syncing all changes that are still only in memory to disk. Failing to invoke this method may leave the Neo4j store in a inconsistent state.

After this method has been invoked any other method call to this batch inserter is illegal.

Specified by:

shutdown in interface BatchInserter

toString

public String toString()

Overrides:

toString in class Object

getStore

public String getStore()

Description copied from interface: BatchInserter

Returns the path to this Neo4j store.

Specified by:

getStore in interface BatchInserter

Returns:

the path to this Neo4j store.

loadProperties

public static Map<String,String> loadProperties(String file)

getReferenceNode

public long getReferenceNode()

Description copied from interface: BatchInserter

Returns the reference node id or -1 if it doesn't exist.

Specified by:

getReferenceNode in interface BatchInserter

Returns:

the reference node

getGraphDbService

public GraphDatabaseService getGraphDbService()

Specified by:

getGraphDbService in interface BatchInserter

Returns:

a GraphDatabaseService that does not support deletion and transactions

getIndexStore

public IndexStore getIndexStore()

getIdGeneratorFactory

public IdGeneratorFactory getIdGeneratorFactory()