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111 lines
4.3 KiB
Java
111 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.net.UnknownHostException;
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import java.util.ArrayList;
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import java.util.List;
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import org.bson.types.ObjectId;
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import org.gcube.contentmanagement.blobstorage.resource.MemoryType;
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import org.gcube.contentmanagement.blobstorage.resource.MyFile;
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import org.gcube.contentmanagement.blobstorage.resource.OperationDefinition.OPERATION;
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import org.gcube.contentmanagement.blobstorage.service.impl.ServiceEngine;
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import org.gcube.contentmanagement.blobstorage.service.operation.Monitor;
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import org.gcube.contentmanagement.blobstorage.service.operation.MoveDir;
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import org.gcube.contentmanagement.blobstorage.transport.backend.MongoOperationManager;
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import org.gcube.contentmanagement.blobstorage.transport.backend.util.Costants;
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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.BasicDBObject;
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import com.mongodb.DB;
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import com.mongodb.DBCollection;
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import com.mongodb.DBCursor;
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import com.mongodb.DBObject;
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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 MoveDirOperator extends MoveDir {
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Logger logger=LoggerFactory.getLogger(MoveDirOperator.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 backendType
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* @param dbs
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*/
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public MoveDirOperator(String[] server, String user, String pwd, String bucket, Monitor monitor, boolean isChunk,
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String backendType, String[] dbs) {
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super(server, user, pwd, bucket, monitor, isChunk, backendType, 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.MoveDir#execute(org.gcube.contentmanagement.blobstorage.transport.backend.MongoIO, org.gcube.contentmanagement.blobstorage.resource.MyFile, java.lang.String, java.lang.String)
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*/
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@Override
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public List<String> execute(MongoIOManager mongoPrimaryInstance, MyFile resource, String sourcePath,
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String destinationPath, MemoryType memoryType) throws UnknownHostException {
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String source=sourcePath;
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source = appendFileSeparator(source);
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String parentFolder=extractParent(source);
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String destination=destinationPath;
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destination = appendFileSeparator(destination);
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List<String> idList=null;
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logger.debug("moveDir operation on Mongo backend, parameters: source path: "+source+" destination path: "+destination);
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if((source != null) && (!source.isEmpty()) && (destination != null) && (!destination.isEmpty())){
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DB db=mongoPrimaryInstance.getConnectionDB(MongoOperationManager.getPrimaryCollectionName(), true);
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// GridFS meta = new GridFS(db);
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DBCollection meta=mongoPrimaryInstance.getMetaDataCollection(db);
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// create query for dir field
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BasicDBObject query = new BasicDBObject();
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query.put( "dir" , new BasicDBObject("$regex", source+"*"));
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DBCursor folderCursor = meta.find(query);
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if((folderCursor !=null)){
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idList=new ArrayList<String>();
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while(folderCursor.hasNext()){//GridFSDBFile f : folder){
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DBObject f=folderCursor.next();
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if(f.get("type").equals("file")){
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String oldFilename=(String)f.get("filename");
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String oldDir=(String)f.get("dir");
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int relativePathIndex=source.length();
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String relativeDirTree=parentFolder+Costants.FILE_SEPARATOR+oldDir.substring(relativePathIndex);
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String relativePath=parentFolder+Costants.FILE_SEPARATOR+oldFilename.substring(relativePathIndex);
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String filename=destination+relativePath;
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String dir=destination+relativeDirTree;
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f.put("filename", filename);
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f.put("dir", dir);
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mongoPrimaryInstance.updateCommonFields(f, resource, OPERATION.MOVE_DIR);
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String id=f.get("_id").toString();
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idList.add(id);
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query = new BasicDBObject();
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query.put( "_id" , new ObjectId(id));
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if(!(memoryType== MemoryType.VOLATILE))
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meta.update(query, f, true, false, Costants.DEFAULT_WRITE_TYPE);
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else
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meta.update(query, f, true, false);
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// meta.update(query, f, true, true);
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mongoPrimaryInstance.buildDirTree(meta, dir);
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}
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}
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}
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}else{
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mongoPrimaryInstance.close();
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throw new IllegalArgumentException("parameters not completed, source: "+source+", destination: "+destination);
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}
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mongoPrimaryInstance.close();
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return idList;
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}
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}
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