116 lines
3.8 KiB
Java
116 lines
3.8 KiB
Java
package org.gcube.contentmanager.storageserver.store;
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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.BasicDBObjectBuilder;
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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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public class StorageStatusOperationManager {
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DBCollection ssCollection;
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Logger logger=LoggerFactory.getLogger(StorageStatusOperationManager.class);
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public StorageStatusOperationManager(DBCollection ssCollection){
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setSsCollection(ssCollection);
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}
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public void putSSRecord(String consumer, long volume, int count){
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BasicDBObject doc = new BasicDBObject("consumer", consumer)
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.append("volume", volume)
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.append("count", count);
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getSsCollection().insert(doc);
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}
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public StorageStatusObject updateUser(StorageStatusObject ssRecord, String lastOperation){
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StorageStatusObject oldSsr=getSSRecord(ssRecord.getConsumer());
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if(oldSsr != null){
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int partialCount=oldSsr.getCount();
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int count = countCalculation(ssRecord.getCount(), partialCount, lastOperation);
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ssRecord.setCount(count);
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long partialVolume=oldSsr.getVolume();
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long volume = volumeCalculation(ssRecord.getVolume(), partialVolume, lastOperation);
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ssRecord.setVolume(volume);
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final BasicDBObject query = new BasicDBObject("consumer", ssRecord.getConsumer());
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// Creating BasicDBObjectBuilder object without arguments
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DBObject documentBuilder = BasicDBObjectBuilder.start()
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.add("volume", volume).add("count", count).get();
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// get the dbobject from builder and Inserting document
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getSsCollection().update(query,new BasicDBObject("$set", documentBuilder), true, false);
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// close();
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}else{
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putSSRecord(ssRecord.getConsumer(), ssRecord.getVolume(), ssRecord.getCount());
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}
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return ssRecord;
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}
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public StorageStatusObject getSSRecord(String consumer){
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BasicDBObject query = new BasicDBObject("consumer", consumer);
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DBCursor cursor=getSsCollection().find(query);
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DBObject obj=null;
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try{
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if(cursor.hasNext()){
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obj=cursor.next();
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}
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}finally{
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cursor.close();
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}
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if(obj!=null){
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String cons=null;
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if(obj.containsField("consumer")) cons=(String) obj.get("consumer");
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else logger.error("incomplete record found. consumer field is missing");
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long vol =0;
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if(obj.containsField("volume")) vol=(long) obj.get("volume");
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else logger.error("incomplete record found. volume field is missing");
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int count=0;
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if(obj.containsField("count")) count=(int) obj.get("count");
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else logger.error("incomplete record found. count field is missing");
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String id=(String)obj.get("id");
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return new StorageStatusObject(id, cons, vol, count, obj);
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}else{
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return null;
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}
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}
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private long volumeCalculation(long currentVolume, long partialVolume, String operation) {
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logger.debug("accounting: operation "+operation+" total Volume "+partialVolume+" current volume "+currentVolume);
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if(operation.equalsIgnoreCase("UPLOAD") || operation.equalsIgnoreCase("COPY")){
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partialVolume=partialVolume+currentVolume;
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}else if(operation.equalsIgnoreCase("DELETE")){
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partialVolume=partialVolume-currentVolume;
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}
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logger.debug("new volume "+partialVolume);
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return partialVolume;
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}
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private int countCalculation(int currentCount, int partialCount, String operation) {
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logger.debug("accounting: operation "+operation+" total count "+partialCount+" current count"+currentCount);
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if(operation.equalsIgnoreCase("UPLOAD")|| operation.equalsIgnoreCase("COPY"))
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partialCount=partialCount+currentCount;
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else if(operation.equalsIgnoreCase("DELETE"))
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partialCount=partialCount-currentCount;
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logger.debug("new count: "+partialCount);
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return partialCount;
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}
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public DBCollection getSsCollection() {
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return ssCollection;
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}
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public void setSsCollection(DBCollection ssCollection) {
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this.ssCollection = ssCollection;
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}
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}
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