本文整理汇总了Java中org.openrdf.sail.SailConnection.rollback方法的典型用法代码示例。如果您正苦于以下问题：Java SailConnection.rollback方法的具体用法？Java SailConnection.rollback怎么用？Java SailConnection.rollback使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.openrdf.sail.SailConnection的用法示例。
在下文中一共展示了SailConnection.rollback方法的7个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: testGetStatements
import org.openrdf.sail.SailConnection; //导入方法依赖的package包/类
@Test
public void testGetStatements() throws SailException {
final SailConnection con = cas.getConnection();
try {
con.begin();
Assert.assertTrue(hasStatement(con, u1, p1, l1));
Assert.assertFalse(hasStatement(con, u2, p2, l2));
con.commit();
} catch (final Throwable t) {
con.rollback();
throw t;
} finally {
con.close();
}
}
示例2: testGetContextIDs
import org.openrdf.sail.SailConnection; //导入方法依赖的package包/类
@Test
public void testGetContextIDs() throws SailException {
final SailConnection con = cas.getConnection();
try {
con.begin();
final CloseableIteration<? extends Resource, SailException> cid = con.getContextIDs();
try {
assertTrue(cid.hasNext());
assertThat(cid.next(), CoreMatchers.is(c1));
assertFalse(cid.hasNext());
} finally {
cid.close();
}
con.commit();
} catch (final Throwable t) {
con.rollback();
throw t;
} finally {
con.close();
}
}
示例3: getEntry
import org.openrdf.sail.SailConnection; //导入方法依赖的package包/类
/**
* Return the cache entry for the given resource, or null if this entry does not exist.
*
*
* @param resource the resource to retrieve the cache entry for
* @return
*/
@Override
public CacheEntry getEntry(URI resource) {
try {
try(LDCachingKiWiPersistenceConnection dbcon = persistence.getConnection()) {
// load cache entry from database
CacheEntry ce = dbcon.getCacheEntry(resource.stringValue());
// if entry exists, load triples for the resource from the cache context of the repository
if(ce != null) {
SailConnection con = store.getConnection();
try {
con.begin();
Model triples = new TreeModel();
ModelCommons.add(triples,con.getStatements(resource,null,null,true,store.getValueFactory().createURI(cacheContext)));
ce.setTriples(triples);
con.commit();
} catch(SailException ex) {
con.rollback();
} finally {
con.close();
}
}
return ce;
}
} catch (SailException | SQLException e) {
log.error("could not retrieve cached triples from repository",e);
}
return null;
}
示例4: putEntry
import org.openrdf.sail.SailConnection; //导入方法依赖的package包/类
/**
* Update the cache entry for the given resource with the given entry.
*
* @param resource the resource to update
* @param entry the entry for the resource
*/
@Override
public void putEntry(URI resource, CacheEntry entry) {
try {
try(LDCachingKiWiPersistenceConnection dbcon = persistence.getConnection()) {
// store cache entry in database
dbcon.removeCacheEntry(resource.stringValue());
// update triples in cache
SailConnection con = store.getConnection();
try {
con.begin();
con.removeStatements(resource, null, null, store.getValueFactory().createURI(cacheContext));
for(Statement stmt : entry.getTriples()) {
con.addStatement(stmt.getSubject(), stmt.getPredicate(), stmt.getObject(), store.getValueFactory().createURI(cacheContext));
}
con.commit();
entry.setResource(store.getValueFactory().createURI(resource.stringValue()));
dbcon.storeCacheEntry(entry);
} catch(SailException ex) {
con.rollback();
} finally {
con.close();
}
}
} catch (SailException | SQLException e) {
log.error("could not retrieve cached triples from repository",e);
}
}
示例5: removeEntry
import org.openrdf.sail.SailConnection; //导入方法依赖的package包/类
/**
* Remove the cache entry for the given resource if it exists. Does nothing otherwise.
*
* @param resource the resource to remove the entry for
*/
@Override
public void removeEntry(URI resource) {
try {
try(LDCachingKiWiPersistenceConnection dbcon = persistence.getConnection()) {
// store cache entry in database
dbcon.removeCacheEntry(resource.stringValue());
// update triples in cache
SailConnection con = store.getConnection();
try {
con.begin();
con.removeStatements(resource, null, null, store.getValueFactory().createURI(cacheContext));
con.commit();
} catch(SailException ex) {
con.rollback();
} finally {
con.close();
}
}
} catch (SailException | SQLException e) {
log.error("could not remove cached triples from repository",e);
}
}
示例6: clear
import org.openrdf.sail.SailConnection; //导入方法依赖的package包/类
/**
* Clear all entries in the cache backend.
*/
@Override
public void clear() {
try {
try(LDCachingKiWiPersistenceConnection dbcon = persistence.getConnection()) {
// list all entries and remove them
CloseableIteration<KiWiCacheEntry, SQLException> entries = dbcon.listAll();
while (entries.hasNext()) {
dbcon.removeCacheEntry(entries.next());
}
// update triples in cache
SailConnection con = store.getConnection();
try {
con.begin();
con.removeStatements((Resource) null, null, null, store.getValueFactory().createURI(cacheContext));
con.commit();
} catch(SailException ex) {
con.rollback();
} finally {
con.close();
}
}
} catch (SailException | SQLException e) {
log.error("could not remove cached triples from repository",e);
}
}
示例7: setUp
import org.openrdf.sail.SailConnection; //导入方法依赖的package包/类
@Before
public void setUp() throws SailException {
sail = new MemoryStore();
sail.initialize();
final ValueFactory vf = sail.getValueFactory();
u1 = vf.createURI(NS, UUID.randomUUID().toString());
u2 = vf.createURI(NS, UUID.randomUUID().toString());
u3 = vf.createURI(NS, UUID.randomUUID().toString());
u4 = vf.createURI(NS, UUID.randomUUID().toString());
p1 = vf.createURI(NS, UUID.randomUUID().toString());
p2 = vf.createURI(NS, UUID.randomUUID().toString());
p3 = vf.createURI(NS, UUID.randomUUID().toString());
p4 = vf.createURI(NS, UUID.randomUUID().toString());
c1 = vf.createURI(NS, UUID.randomUUID().toString());
c2 = vf.createBNode();
l1 = vf.createLiteral(UUID.randomUUID().toString());
l2 = vf.createLiteral(UUID.randomUUID().toString());
l3 = vf.createLiteral(UUID.randomUUID().toString());
l4 = vf.createLiteral(UUID.randomUUID().toString());
final SailConnection con = sail.getConnection();
try {
con.begin();
con.addStatement(u1, p1, l1, c1);
con.addStatement(u2, p2, l2, c2);
con.addStatement(u3, p3, l3, c1);
con.addStatement(u4, p4, l4, c2);
con.commit();
} catch (final Throwable t) {
con.rollback();
throw t;
} finally {
con.close();
}
}