eu.europeana.corelib.search

Interface Neo4jSearchService

All Known Implementing Classes:

Neo4jSearchServiceImpl

public interface Neo4jSearchService

Lookup hierarchical information from Neo4j server

Author:

Patrick Ehlert Created on 01-03-2018

Method Summary

Modifier and Type	Method and Description
List<Neo4jBean>	getChildren(String nodeId) Get the children of the node (max 10)
List<Neo4jBean>	getChildren(String nodeId, int offset) Get the children of the node (max 10)
List<Neo4jBean>	getChildren(String nodeId, int offset, int limit) Get the children of the node (max 10)
long	getChildrenCount(String nodeId) Get the number of children this node has
List<Neo4jBean>	getFollowingSiblings(String nodeId) Get the node's 10 following siblings
List<Neo4jBean>	getFollowingSiblings(String nodeId, int limit) Get the nodes following siblings
List<Neo4jBean>	getFollowingSiblings(String nodeId, int offset, int limit) Get the nodes following siblings
Neo4jBean	getHierarchicalBean(String nodeId) Get a node object
Neo4jStructBean	getInitialStruct(String nodeId) Get the initial structure, which contains self, the ancestors, preceding and following siblings
List<Neo4jBean>	getPrecedingSiblings(String nodeId) Get the nodes preceding siblings (max 10)
List<Neo4jBean>	getPrecedingSiblings(String nodeId, int limit) Get the nodes preceeding siblings
List<Neo4jBean>	getPrecedingSiblings(String nodeId, int offset, int limit) Get the nodes preceeding siblings

Method Detail

getHierarchicalBean

Neo4jBean getHierarchicalBean(String nodeId)
                       throws Neo4JException

Get a node object

Parameters:

nodeId - The ID of the record

Returns:

node object

Throws:

Neo4JException

getChildren

List<Neo4jBean> getChildren(String nodeId,
                            int offset,
                            int limit)

Get the children of the node (max 10)

Parameters:

nodeId - The ID of the record

offset - The offset of the first child

limit - The number of records to retrieve

Returns:

node's children

getChildren

List<Neo4jBean> getChildren(String nodeId,
                            int offset)

Get the children of the node (max 10)

Parameters:

nodeId - The ID of the record

offset - The offset of the first child

Returns:

node's children

getChildren

List<Neo4jBean> getChildren(String nodeId)

Get the children of the node (max 10)

Parameters:

nodeId - The ID of the record

Returns:

node's children

getPrecedingSiblings

List<Neo4jBean> getPrecedingSiblings(String nodeId,
                                     int offset,
                                     int limit)
                              throws Neo4JException

Get the nodes preceeding siblings

Parameters:

nodeId - The ID of the record

offset - How many siblings to skip

limit - How many siblings to retrieve

Returns:

node's preceding siblings

Throws:

Neo4JException

getPrecedingSiblings

List<Neo4jBean> getPrecedingSiblings(String nodeId,
                                     int limit)
                              throws Neo4JException

Get the nodes preceeding siblings

Parameters:

nodeId - The ID of the record

limit - How many siblings to retrieve

Returns:

node's preceding siblings

Throws:

Neo4JException

getPrecedingSiblings

List<Neo4jBean> getPrecedingSiblings(String nodeId)
                              throws Neo4JException

Get the nodes preceding siblings (max 10)

Parameters:

nodeId - The ID of the record

Returns:

node's preceding siblings

Throws:

Neo4JException

getFollowingSiblings

List<Neo4jBean> getFollowingSiblings(String nodeId,
                                     int offset,
                                     int limit)
                              throws Neo4JException

Get the nodes following siblings

Parameters:

nodeId - The ID of the record

limit - How many siblings to retrieve

offset - How many siblings to skip

Returns:

node's following siblings

Throws:

Neo4JException

getFollowingSiblings

List<Neo4jBean> getFollowingSiblings(String nodeId,
                                     int limit)
                              throws Neo4JException

Get the nodes following siblings

Parameters:

nodeId - The ID of the record

limit - How many siblings to retrieve

Returns:

node's following siblings

Throws:

Neo4JException

getFollowingSiblings

List<Neo4jBean> getFollowingSiblings(String nodeId)
                              throws Neo4JException

Get the node's 10 following siblings

Parameters:

nodeId - The ID of the record

Returns:

node's following siblings

Throws:

Neo4JException

getChildrenCount

long getChildrenCount(String nodeId)
               throws Neo4JException

Get the number of children this node has

Parameters:

nodeId -

Returns:

the number of children

Throws:

Neo4JException

getInitialStruct

Neo4jStructBean getInitialStruct(String nodeId)
                          throws Neo4JException

Get the initial structure, which contains self, the ancestors, preceding and following siblings

Parameters:

nodeId - The ID of the record

Returns:

The hierarchical structure

Throws:

Neo4JException