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package eu.dnetlib.data.objectstore.modular.connector;
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import eu.dnetlib.data.objectstore.modular.ObjectStoreRecord;
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import eu.dnetlib.data.objectstore.rmi.MetadataObjectRecord;
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import eu.dnetlib.data.objectstore.rmi.ObjectStoreFile;
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import eu.dnetlib.data.objectstore.rmi.ObjectStoreServiceException;
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import eu.dnetlib.enabling.resultset.ResultSetListener;
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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
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* the records
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* @param incremental
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* 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
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* the records
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* @param incremental
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* 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
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* 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
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* : start date which you want to filter
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* @param until
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* : 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 deliver(Long from, Long until) throws ObjectStoreServiceException;
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/**
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* Deliver ids.
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*
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* @param ids
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* the ids
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* @return the result set listener
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*/
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ResultSetListener 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
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* 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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* 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
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* 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
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* the record id
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* @return the object
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*/
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String 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
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* 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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