Package org.aksw.jenax.dataaccess.sparql.execution.query

Class QueryExecutionWrapperTxn<T extends org.apache.jena.query.QueryExecution>

java.lang.Object

org.aksw.jenax.dataaccess.sparql.execution.query.QueryExecutionWrapperBase<T>

org.aksw.jenax.dataaccess.sparql.execution.query.QueryExecutionWrapperTxn<T>

All Implemented Interfaces:

AutoCloseable, QueryExecutionWrapper, org.apache.jena.query.QueryExecution

public class QueryExecutionWrapperTxn<T extends org.apache.jena.query.QueryExecution>
extends QueryExecutionWrapperBase<T>

A query execution that starts a transaction before the actual query execution and performs the commit/rollback action upon close.

Author:

raven

Field Summary

Fields

Modifier and Type	Field	Description
protected Throwable	seenThrowable
protected boolean	startedTxnHere
protected org.apache.jena.sparql.core.Transactional	transactional

Fields inherited from class org.aksw.jenax.dataaccess.sparql.execution.query.QueryExecutionWrapperBase

decoratee

Constructor Summary

Constructors

Constructor	Description
QueryExecutionWrapperTxn(T decoratee, org.apache.jena.sparql.core.Transactional transactional)

Method Summary

Modifier and Type	Method	Description
protected void	beforeExec()
void	close()
protected void	onException(Exception e)
static <T extends org.apache.jena.query.QueryExecution> org.apache.jena.query.QueryExecution	wrap(T decoratee, org.apache.jena.sparql.core.Transactional transactional)

Methods inherited from class org.aksw.jenax.dataaccess.sparql.execution.query.QueryExecutionWrapperBase

afterExec, execAsk, execConstruct, execConstruct, execConstructDataset, execConstructDataset, execConstructQuads, execConstructTriples, execDescribe, execDescribe, execDescribeTriples, execJson, execJsonItems, execSelect, getDelegate, getQueryString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.aksw.jenax.dataaccess.sparql.execution.query.QueryExecutionWrapper

abort, getContext, getDataset, getQuery, getTimeout1, getTimeout2, isClosed, tryGetDelegate, unwrap

Field Details

transactional

protected org.apache.jena.sparql.core.Transactional transactional

startedTxnHere

protected boolean startedTxnHere

seenThrowable

protected Throwable seenThrowable

Constructor Details

QueryExecutionWrapperTxn

public QueryExecutionWrapperTxn(T decoratee,
 org.apache.jena.sparql.core.Transactional transactional)

Method Details

beforeExec

protected void beforeExec()

Overrides:

beforeExec in class QueryExecutionWrapperBase<T extends org.apache.jena.query.QueryExecution>

onException

protected void onException(Exception e)

Overrides:

onException in class QueryExecutionWrapperBase<T extends org.apache.jena.query.QueryExecution>

close

public void close()

wrap

public static <T extends org.apache.jena.query.QueryExecution>
org.apache.jena.query.QueryExecution wrap(T decoratee,
 org.apache.jena.sparql.core.Transactional transactional)