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WireRecordStore.java
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WireRecordStore.java
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/*******************************************************************************
* Copyright (c) 2023 Eurotech and/or its affiliates and others
*
* This program and the accompanying materials are made
* available under the terms of the Eclipse Public License 2.0
* which is available at https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Eurotech
******************************************************************************/
package org.eclipse.kura.wire.store.provider;
import java.util.List;
import org.eclipse.kura.KuraStoreException;
import org.eclipse.kura.wire.WireRecord;
import org.osgi.annotation.versioning.ProviderType;
/**
* Represents a store that is capable to perform queries defined in an
* implementation specific language and return the result in terms of a list of
* {@link WireRecord}s.
*
* @since 2.5
* @noimplement This interface is not intended to be implemented by clients.
*/
@ProviderType
public interface WireRecordStore {
/**
* Removes all records in the store except the most recent
* <code>noOfRecordsToKeep</code>.
*
* @param noOfRecordsToKeep
* the no of records to keep in the table
* @throws KuraStoreException
*/
public void truncate(int noOfRecordsToKeep) throws KuraStoreException;
/**
* Returns the number of records currently in the store.
*
* @return the no of records currently in the store
* @throws KuraStoreException
*/
public int getSize() throws KuraStoreException;
/**
* Insert the provided list of {@link WireRecord} instances in the store.
*
* @param records
* the list of records to be inserted
* @throws KuraStoreException
*/
public void insertRecords(List<WireRecord> records) throws KuraStoreException;
/**
*
* Closes the store, releasing any runtime resource allocated for it.
*/
public void close();
}