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package eu.dnetlib.data.objectstore.connector;
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import java.io.InputStream;
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import java.util.List;
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import eu.dnetlib.data.objectstore.ObjectStoreRecord;
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import eu.dnetlib.enabling.resultset.listener.ResultSetListener;
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import eu.dnetlib.rmi.data.MetadataObjectRecord;
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import eu.dnetlib.rmi.data.ObjectStoreFile;
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import eu.dnetlib.rmi.data.ObjectStoreServiceException;
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/**
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* The Interface ObjectStore.
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*/
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public interface ObjectStore {
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/**
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* Gets the id of the objectStore.
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*
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* @return the id
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*/
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String getId();
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/**
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* Gets the interpretation the objectStore.
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*
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* @return the interpretation
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*/
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String getInterpretation();
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/**
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* Feed record into the objectstore.
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*
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* @param records the records
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* @param incremental the incremental
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* @return the int
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*/
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int feed(Iterable<ObjectStoreRecord> records, boolean incremental) throws ObjectStoreServiceException;
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/**
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* Feed metadata record into the objectStore.
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*
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* @param records the records
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* @param incremental the incremental
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* @return the int
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*/
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int feedMetadataRecord(Iterable<MetadataObjectRecord> records, boolean incremental) throws ObjectStoreServiceException;
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/**
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* Feed a single object record into the objectStore.
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*
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* @param record the record
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* @return the string
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*/
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String feedObjectRecord(ObjectStoreRecord record) throws ObjectStoreServiceException;
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/**
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* Deliver Object from the objectStore.
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*
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* @param from : start date which you want to filter
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* @param until : end date which you want to filter
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* @return the result set listener
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*/
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ResultSetListener<ObjectStoreFile> deliver(Long from, Long until) throws ObjectStoreServiceException;
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List<ObjectStoreFile> retrieveObjects(final int page, final int pageSize);
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/**
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* Deliver ids.
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*
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* @param ids the ids
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* @return the result set listener
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*/
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ResultSetListener<ObjectStoreFile> deliverIds(Iterable<String> ids) throws ObjectStoreServiceException;
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/**
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* Deliver object.
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*
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* @param objectId the object id
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* @return the object store file
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* @throws ObjectStoreServiceException
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*/
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ObjectStoreFile deliverObject(String objectId) throws ObjectStoreServiceException;
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/**
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* Deliver all the object in the object Store connected with a metadata Identifier
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*
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* @param metadataId
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* @return
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* @throws ObjectStoreServiceException
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*/
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ObjectStoreFile deliverObjectFromMetadataIdentifier(final String metadataId) throws ObjectStoreServiceException;
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/**
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* Deliver stream.
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*
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* @param objectId the object id
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* @return the input stream
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*/
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InputStream deliverStream(String objectId) throws ObjectStoreServiceException;
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boolean alreadyExist(final String objectId);
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/**
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* Gets the size.
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*
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* @return the size
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*/
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int getSize() throws ObjectStoreServiceException;
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/**
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* Delete object.
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*
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* @param objectId the object id
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*/
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void deleteObject(String objectId) throws ObjectStoreServiceException;
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/**
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* Gets the object.
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*
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* @param recordId the record id
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* @return the object
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*/
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ObjectStoreFile getObject(String recordId) throws ObjectStoreServiceException;
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/**
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* Find if exist an ID startingwith the string startId.
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*
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* @param startId the start id
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* @return if exist or less an id
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*/
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boolean existIDStartsWith(String startId) throws ObjectStoreServiceException;
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/**
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* drop the content of the ObjectStore
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* THIS METHOD DELETE ALL THE CONTENT INSIDE THE OBJECTSTORE PAY ATTENTION WHEN YOU CALL IT
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*
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* @return if the content has been refreshed
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* @throws ObjectStoreServiceException
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*/
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boolean dropContent() throws ObjectStoreServiceException;
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}
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