refs #200: Create accouting-lib library
https://support.d4science.org/issues/200 Implementing buffer strategy git-svn-id: https://svn.d4science.research-infrastructures.eu/gcube/trunk/accounting/accounting-lib@115632 82a268e6-3cf1-43bd-a215-b396298e98cf
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@ -4,6 +4,7 @@ import java.util.ArrayList;
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import java.util.List;
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import org.gcube.accounting.datamodel.UsageRecord;
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import org.gcube.accounting.persistence.PersistenceExecutor;
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/**
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* @author Luca Frosini (ISTI - CNR) http://www.lucafrosini.com/
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@ -28,13 +29,13 @@ public abstract class AggregationScheduler {
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public List<UsageRecord> getRecords() {
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return records;
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}
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protected AggregationScheduler(){
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this.records = new ArrayList<UsageRecord>();
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}
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protected void madeAggregation(UsageRecord UsageRecord){
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// TODO
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}
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/**
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@ -42,10 +43,14 @@ public abstract class AggregationScheduler {
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* Usage Record.
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* @param usageRecord the Usage Record To Buffer
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* @return true if is time to persist the buffered Usage Record
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* @throws Exception if fails
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*/
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public synchronized boolean aggregate(UsageRecord UsageRecord) {
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public synchronized void aggregate(UsageRecord UsageRecord, PersistenceExecutor persistenceExecutor) throws Exception {
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madeAggregation(UsageRecord);
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return isTimeToPersist();
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if(isTimeToPersist()){
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persistenceExecutor.persist(records.toArray(new UsageRecord[records.size()]));
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}
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}
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@ -40,7 +40,7 @@ public class BufferAggregationScheduler extends AggregationScheduler {
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* {@inheritDoc}
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*/
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@Override
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public synchronized boolean isTimeToPersist(){
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public boolean isTimeToPersist(){
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long now = Calendar.getInstance().getTimeInMillis();
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if(firstOfBuffer){
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@ -4,7 +4,6 @@
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package org.gcube.accounting.persistence;
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import java.io.File;
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import java.util.List;
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import java.util.ServiceLoader;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.Executors;
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@ -129,27 +128,26 @@ public abstract class Persistence {
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* This method contains the code to save the {@link #UsageRecord}
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*
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*/
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protected abstract void reallyAccount(UsageRecord usageRecord) throws Exception;
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protected abstract void reallyAccount(UsageRecord usageRecords) throws Exception;
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private void accountWithFallback(UsageRecord usageRecord) throws Exception {
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private void accountWithFallback(UsageRecord... usageRecords) {
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String persistenceName = getInstance().getClass().getSimpleName();
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try {
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//logger.debug("Going to account {} using {}", usageRecord, persistenceName);
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persistence.reallyAccount(usageRecord);
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logger.debug("{} accounted succesfully from {}.", usageRecord, persistenceName);
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} catch (Exception e) {
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String fallabackPersistenceName = fallback.getClass().getSimpleName();
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for(UsageRecord usageRecord : usageRecords){
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try {
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logger.error("{} was not accounted succesfully from {}. Trying to use {}.",
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usageRecord, persistenceName, fallabackPersistenceName);
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fallback.reallyAccount(usageRecord);
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logger.debug("{} accounted succesfully from {}",
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usageRecord, fallabackPersistenceName);
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}catch(Exception ex){
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logger.error("{} was not accounted at all", usageRecord);
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throw e;
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//logger.debug("Going to account {} using {}", usageRecord, persistenceName);
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persistence.reallyAccount(usageRecord);
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logger.debug("{} accounted succesfully from {}.", usageRecord.toString(), persistenceName);
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} catch (Exception e) {
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String fallabackPersistenceName = fallback.getClass().getSimpleName();
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try {
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logger.error("{} was not accounted succesfully from {}. Trying to use {}.",
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usageRecord.toString(), persistenceName, fallabackPersistenceName);
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fallback.reallyAccount(usageRecord);
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logger.debug("{} accounted succesfully from {}",
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usageRecord.toString(), fallabackPersistenceName);
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}catch(Exception ex){
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logger.error("{} was not accounted at all", usageRecord.toString());
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}
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}
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}
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}
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@ -169,13 +167,16 @@ public abstract class Persistence {
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public void run(){
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try {
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usageRecord.validate();
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boolean timeToPersist = aggregationScheduler.aggregate(usageRecord);
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if(timeToPersist){
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List<UsageRecord> records = aggregationScheduler.getRecords();
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for(UsageRecord record : records){
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persistence.accountWithFallback(record);
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aggregationScheduler.aggregate(usageRecord, new PersistenceExecutor(){
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@Override
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public void persist(UsageRecord... usageRecords) throws Exception {
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persistence.accountWithFallback(usageRecords);
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}
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}
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});
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} catch (InvalidValueException e) {
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logger.error("Error validating UsageRecord", e.getCause());
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} catch (Exception e) {
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@ -0,0 +1,16 @@
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/**
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*
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*/
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package org.gcube.accounting.persistence;
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import org.gcube.accounting.datamodel.UsageRecord;
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/**
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* @author Luca Frosini (ISTI - CNR) http://www.lucafrosini.com/
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*
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*/
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public interface PersistenceExecutor {
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public void persist(UsageRecord... usageRecords)throws Exception;
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}
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