org.dspace.content.dao

Interface RelationshipTypeDAO

All Superinterfaces:

GenericDAO<RelationshipType>

All Known Implementing Classes:

RelationshipTypeDAOImpl

public interface RelationshipTypeDAO
extends GenericDAO<RelationshipType>

Database Access Object Interface class for the RelationshipType object The implementation of this class is responsible for all database calls for the RelationshipType object and is autowired by spring This class should only be accessed from a single service and should never be exposed outside of the API

Method Summary

Modifier and Type	Method and Description
List<RelationshipType>	findByEntityType(Context context, EntityType entityType) This method will return a list of RelationshipType objects for which the given EntityType object is equal to the leftType or rightType
List<RelationshipType>	findByLeftOrRightLabel(Context context, String label) This method will return a list of RelationshipType objects for which the given label is equal to either the leftLabel or rightLabel.
RelationshipType	findByTypesAndLabels(Context context, EntityType leftType, EntityType rightType, String leftLabel, String rightLabel) This method is used to retrieve the RelationshipType object that has the same leftType, rightType, leftLabel and rightLabel as given in the parameters

Methods inherited from interface org.dspace.core.GenericDAO

create, delete, findAll, findByID, findByID, findMany, findUnique, save

Method Detail

findByTypesAndLabels

RelationshipType findByTypesAndLabels(Context context,
                                      EntityType leftType,
                                      EntityType rightType,
                                      String leftLabel,
                                      String rightLabel)
                               throws SQLException

This method is used to retrieve the RelationshipType object that has the same leftType, rightType, leftLabel and rightLabel as given in the parameters

Parameters:

context - The relevant DSpace context

leftType - The leftType EntityType object to be matched in the query

rightType - The rightType EntityType object to be matched in the query

leftLabel - The leftLabel String to be matched in the query

rightLabel - The rightLabel String to be matched in the query

Returns:

The RelationshipType object that matches all the given parameters

Throws:

SQLException - If something goes wrong

findByLeftOrRightLabel

List<RelationshipType> findByLeftOrRightLabel(Context context,
                                              String label)
                                       throws SQLException

This method will return a list of RelationshipType objects for which the given label is equal to either the leftLabel or rightLabel.

Parameters:

context - The relevant DSpace context

label - The label that will be used to check on

Returns:

A list of RelationshipType objects that have the given label as either the leftLabel or rightLabel

Throws:

SQLException - If something goes wrong

findByEntityType

List<RelationshipType> findByEntityType(Context context,
                                        EntityType entityType)
                                 throws SQLException

This method will return a list of RelationshipType objects for which the given EntityType object is equal to the leftType or rightType

Parameters:

context - The relevant DSpace context

entityType - The EntityType object that will be used to check on

Returns:

The list of RelationshipType objects that have the given EntityType object as either a leftType or rightType

Throws:

SQLException - If something goes wrong