org.dspace.importer.external.pubmed.service

Class PubmedImportMetadataSourceServiceImpl

java.lang.Object

org.dspace.importer.external.service.components.AbstractRemoteMetadataSource

org.dspace.importer.external.service.AbstractImportMetadataSourceService<org.apache.axiom.om.OMElement>

org.dspace.importer.external.pubmed.service.PubmedImportMetadataSourceServiceImpl

All Implemented Interfaces:

MetadataSource

public class PubmedImportMetadataSourceServiceImpl
extends AbstractImportMetadataSourceService<org.apache.axiom.om.OMElement>

Implements a data source for querying pubmed central

Author:

Roeland Dillen (roeland at atmire dot com)

Field Summary

Fields inherited from class org.dspace.importer.external.service.components.AbstractRemoteMetadataSource

error, exceptionHandlersMap, interRequestTime, lastRequest, lock, maxRetry, operationId, retry, warning

Constructor Summary

Constructors

Constructor and Description
PubmedImportMetadataSourceServiceImpl()

Method Summary

Modifier and Type	Method and Description
Collection<ImportRecord>	findMatchingRecords(Item item) Finds records based on an item
Collection<ImportRecord>	findMatchingRecords(Query query) Finds records based on query object.
String	getBaseAddress() Return the baseAddress set to this object
String	getImportSource() The string that identifies this import implementation.
int	getNbRecords(Query query) Find the number of records matching a query;
int	getNbRecords(String query) Find the number of records matching a query;
ImportRecord	getRecord(Query query) Get a single record from the source.
ImportRecord	getRecord(String id) Get a single record from the source.
Collection<ImportRecord>	getRecords(Query query) Find records based on a object query.
Collection<ImportRecord>	getRecords(String query, int start, int count) Find the number of records matching a string query.
void	init() Initialize the class
void	setBaseAddress(String baseAddress) Set the baseAddress to this object

Methods inherited from class org.dspace.importer.external.service.AbstractImportMetadataSourceService

getGenerateQueryForItem, getMetadataFieldMapping, setGenerateQueryForItem, setMetadataFieldMapping, transformSourceRecords

Methods inherited from class org.dspace.importer.external.service.components.AbstractRemoteMetadataSource

getError, getExceptionHandler, getMaxRetry, getOperationId, getRetry, getWarning, handleException, initExceptionHandlers, retry, setError, setMaxRetry, setWarning, throwSourceException, throwSourceExceptionHook

Methods inherited from class java.lang.Object

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

Constructor Detail

PubmedImportMetadataSourceServiceImpl

public PubmedImportMetadataSourceServiceImpl()

Method Detail

getNbRecords

public int getNbRecords(String query)
                 throws MetadataSourceException

Find the number of records matching a query;

Parameters:

query - a query string to base the search on.

Returns:

the sum of the matching records over this import source

Throws:

MetadataSourceException

getNbRecords

public int getNbRecords(Query query)
                 throws MetadataSourceException

Find the number of records matching a query;

Parameters:

query - a query object to base the search on.

Returns:

the sum of the matching records over this import source

Throws:

MetadataSourceException

getRecords

public Collection<ImportRecord> getRecords(String query,
                                           int start,
                                           int count)
                                    throws MetadataSourceException

Find the number of records matching a string query. Supports pagination

Parameters:

query - a query string to base the search on.

start - offset to start at

count - number of records to retrieve.

Returns:

a set of records. Fully transformed.

Throws:

MetadataSourceException

getRecords

public Collection<ImportRecord> getRecords(Query query)
                                    throws MetadataSourceException

Find records based on a object query.

Parameters:

query - a query object to base the search on.

Returns:

a set of records. Fully transformed.

Throws:

MetadataSourceException

getRecord

public ImportRecord getRecord(String id)
                       throws MetadataSourceException

Get a single record from the source. The first match will be returned

Parameters:

id - identifier for the record

Returns:

a matching record

Throws:

MetadataSourceException

getRecord

public ImportRecord getRecord(Query query)
                       throws MetadataSourceException

Get a single record from the source. The first match will be returned

Parameters:

query - a query matching a single record

Returns:

a matching record

Throws:

MetadataSourceException

getImportSource

public String getImportSource()

The string that identifies this import implementation. Preferable a URI

Returns:

the identifying uri

findMatchingRecords

public Collection<ImportRecord> findMatchingRecords(Item item)
                                             throws MetadataSourceException

Finds records based on an item

Parameters:

item - an item to base the search on

Returns:

a collection of import records. Only the identifier of the found records may be put in the record.

Throws:

MetadataSourceException - if the underlying methods throw any exception.

findMatchingRecords

public Collection<ImportRecord> findMatchingRecords(Query query)
                                             throws MetadataSourceException

Finds records based on query object. Delegates to one or more MetadataSource implementations based on the uri. Results will be aggregated.

Parameters:

query - a query object to base the search on.

Returns:

a collection of import records. Only the identifier of the found records may be put in the record.

Throws:

MetadataSourceException

init

public void init()
          throws Exception

Initialize the class

Specified by:

init in class AbstractRemoteMetadataSource

Throws:

Exception

getBaseAddress

public String getBaseAddress()

Return the baseAddress set to this object

Returns:

The String object that represents the baseAddress of this object

setBaseAddress

public void setBaseAddress(String baseAddress)

Set the baseAddress to this object

Parameters:

baseAddress - The String object that represents the baseAddress of this object