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113 lines
4.3 KiB
Java
113 lines
4.3 KiB
Java
/**
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*
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*/
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package org.gcube.contentmanagement.blobstorage.transport.backend.operation;
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import java.io.IOException;
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import org.bson.types.ObjectId;
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import org.gcube.contentmanagement.blobstorage.resource.MyFile;
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import org.gcube.contentmanagement.blobstorage.resource.OperationDefinition;
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import org.gcube.contentmanagement.blobstorage.resource.OperationDefinition.REMOTE_RESOURCE;
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import org.gcube.contentmanagement.blobstorage.service.operation.Monitor;
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import org.gcube.contentmanagement.blobstorage.service.operation.Upload;
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import org.gcube.contentmanagement.blobstorage.transport.backend.MongoIOManager;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.mongodb.gridfs.GridFSDBFile;
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/**
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* @author Roberto Cirillo (ISTI-CNR) 2018
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*
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*/
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public class UploadOperator extends Upload {
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Logger logger= LoggerFactory.getLogger(UploadOperator.class);
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/**
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* @param server
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* @param user
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* @param pwd
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* @param bucket
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* @param monitor
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* @param isChunk
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* @param bck
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* @param dbs
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*/
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public UploadOperator(String[] server, String user, String pwd, String bucket, Monitor monitor, boolean isChunk,
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String bck, String[] dbs) {
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super(server, user, pwd, bucket, monitor, isChunk, bck, dbs);
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// TODO Auto-generated constructor stub
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}
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/* (non-Javadoc)
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* @see org.gcube.contentmanagement.blobstorage.service.operation.Upload#execute(org.gcube.contentmanagement.blobstorage.transport.backend.MongoIO, org.gcube.contentmanagement.blobstorage.transport.backend.MongoIO)
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*/
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@Override
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public String execute(MongoIOManager mongoPrimaryInstance, MongoIOManager mongoSecondaryInstance, MyFile resource, String bucket, boolean replace) throws IOException {
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OperationDefinition op=((MyFile)resource).getOperationDefinition();
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REMOTE_RESOURCE remoteResourceIdentifier=((MyFile)resource).getOperation().getRemoteResource();
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logger.info("MongoClient put method: "+op.toString());
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String dir=((MyFile)resource).getRemoteDir();
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String name=((MyFile)resource).getName();
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Object id=null;
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ObjectId oldId=null;
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// id of the remote file if present
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GridFSDBFile fold = mongoPrimaryInstance.retrieveRemoteDescriptor(bucket, remoteResourceIdentifier, false);
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if(fold != null){
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// if a file is present
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logger.info("a file is already present at: "+getBucket());
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// keep old id
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oldId=(ObjectId) fold.getId();
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logger.info("get old id: "+oldId);
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// remove old file
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oldId = mongoPrimaryInstance.removeFile(resource, bucket, replace, oldId, fold);
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//ADDED 03112015
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if(!isReplaceOption()){
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return oldId.toString();
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}
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// END ADDED
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}
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// create new file
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logger.info("create new file "+bucket);
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if((remoteResourceIdentifier != null) && ((remoteResourceIdentifier.equals(REMOTE_RESOURCE.ID))) && (ObjectId.isValid(getBucket()))){
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id = mongoPrimaryInstance.createNewFile(resource, null, dir, name, new ObjectId(getBucket()));
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}else{
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id = mongoPrimaryInstance.createNewFile(resource, getBucket(), dir , name, oldId);
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}
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return id.toString();
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}
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public String executeSafeMode(MongoIOManager mongoPrimaryInstance, MongoIOManager mongoSecondaryInstance) throws IOException {
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OperationDefinition op=((MyFile)resource).getOperationDefinition();
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REMOTE_RESOURCE remoteResourceIdentifier=((MyFile)resource).getOperation().getRemoteResource();
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logger.info("MongoClient put method: "+op.toString());
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String dir=((MyFile)resource).getRemoteDir();
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String name=((MyFile)resource).getName();
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ObjectId id=null;
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ObjectId oldId=null;
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// id of the remote file if present
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GridFSDBFile fold = mongoPrimaryInstance.retrieveRemoteDescriptor(getBucket(), remoteResourceIdentifier, false);
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if(fold != null){
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// if a file is present
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logger.info("a file is already present at: "+getBucket());
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// keep old id
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oldId=(ObjectId) fold.getId();
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logger.info("get old id: "+oldId);
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// create new file
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id = mongoPrimaryInstance.createNewFile(resource, getBucket(), dir, name, null);
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// remove old file
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oldId = mongoPrimaryInstance.removeFile(resource, getBucket(), isReplaceOption(), oldId, fold);
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// oldId = removeOldMetadataFile(oldId);
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// update the id to the new file
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id=mongoPrimaryInstance.updateId(id, oldId);
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}else{
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// create new file
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id = mongoPrimaryInstance.createNewFile(resource, getBucket(), dir, name, oldId);
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}
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return id.toString();
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}
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}
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