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storage-manager-core/src/main/java/org/gcube/contentmanagement/blobstorage/service/operation/GetTTL.java

71 lines
2.2 KiB
Java

package org.gcube.contentmanagement.blobstorage.service.operation;
import java.io.OutputStream;
import org.gcube.contentmanagement.blobstorage.resource.MyFile;
import org.gcube.contentmanagement.blobstorage.transport.TransportManager;
import org.gcube.contentmanagement.blobstorage.transport.TransportManagerFactory;
import org.gcube.contentmanagement.blobstorage.transport.backend.RemoteBackendException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Implements a getTTL operation for a resource locked in the remote system: return the TTL left
* @author Roberto Cirillo (ISTI - CNR)
*/
public class GetTTL extends Operation {
final Logger logger=LoggerFactory.getLogger(Download.class);
private String localPath;
private String remotePath;
private OutputStream os;
public GetTTL(String[] server, String user, String pwd, String bucket, Monitor monitor, boolean isChunk, String backendType, String[] dbs) {
// TODO Auto-generated constructor stub
super(server, user, pwd, bucket, monitor, isChunk, backendType, dbs);
}
@Override
public String doIt(MyFile myFile) throws RemoteBackendException {
if (logger.isDebugEnabled()) {
logger.debug(" DOWNLOAD " + myFile.getRemotePath()
+ " in bucket: " + bucket);
}
long currentTTL=-1;
TransportManager tm=null;
try {
//aggiungere field per il lock del file
// TransportManagerFactory tmf=new TransportManagerFactory(server, user, password);
// tm=tmf.getTransport(backendType, myFile.getGcubeMemoryType(), dbNames, myFile.getWriteConcern(), myFile.getReadPreference());
tm=getTransport(myFile);
currentTTL=tm.getTTL(bucket);
} catch (Exception e) {
tm.close();
throw new RemoteBackendException(" Error in getTTL operation ", e.getCause());
}
return currentTTL+"";
}
@Override
public String initOperation(MyFile file, String remotePath,
String author, String[] server, String rootArea,
boolean replaceOption) {
this.localPath=file.getLocalPath();
this.remotePath=remotePath;
return getRemoteIdentifier(remotePath, rootArea);
}
@Override
public String initOperation(MyFile resource, String RemotePath,
String author, String[] server, String rootArea) {
// TODO Auto-generated method stub
return null;
}
}