Examples with StoreConnection org.apache.jena.tdb.StoreConnection used on opensource projects

Example 11 with StoreConnection

use of org.apache.jena.tdb.StoreConnection in project jena by apache.

the class AbstractTestTransSeq method trans_readBlock_01.

@Test
public void trans_readBlock_01() {
    // READ(start)-WRITE(commit)-READ(finish)-check
    StoreConnection sConn = getStoreConnection();
    DatasetGraphTxn dsgR1 = sConn.begin(ReadWrite.READ);
    DatasetGraphTxn dsgW = sConn.begin(ReadWrite.WRITE);
    dsgW.add(q);
    dsgW.commit();
    dsgW.end();
    assertFalse(dsgR1.contains(q));
    dsgR1.end();
    //**** Not hitting the queue ****
    // Order of tweaking counters?
    // also writer and counters?
    DatasetGraphTxn dsgR2 = sConn.begin(ReadWrite.READ);
    assertTrue(dsgR2.contains(q));
    dsgR2.end();
    sConn.flush();
    DatasetGraph dsg = sConn.getBaseDataset();
    assertTrue(dsg.contains(q));
}

Example 12 with StoreConnection

use of org.apache.jena.tdb.StoreConnection in project jena by apache.

the class AbstractTestTransSeq method trans_readBlock_03.

@Test
public void trans_readBlock_03() {
    // READ(start)-WRITE(commit)-WRITE(commit)-READ(finish)-check
    StoreConnection sConn = getStoreConnection();
    DatasetGraphTxn dsgR1 = sConn.begin(ReadWrite.READ);
    DatasetGraphTxn dsgW1 = sConn.begin(ReadWrite.WRITE);
    dsgW1.add(q1);
    dsgW1.commit();
    dsgW1.end();
    assertFalse(dsgR1.contains(q1));
    DatasetGraphTxn dsgW2 = sConn.begin(ReadWrite.WRITE);
    dsgW2.add(q2);
    dsgW2.commit();
    dsgW2.end();
    assertFalse(dsgR1.contains(q1));
    assertFalse(dsgR1.contains(q2));
    dsgR1.end();
    DatasetGraphTxn dsgR2 = sConn.begin(ReadWrite.READ);
    assertTrue(dsgR2.contains(q1));
    assertTrue(dsgR2.contains(q2));
    dsgR2.end();
    sConn.flush();
    DatasetGraph dsg = sConn.getBaseDataset();
    assertTrue(dsg.contains(q1));
    assertTrue(dsg.contains(q2));
}

Example 13 with StoreConnection

use of org.apache.jena.tdb.StoreConnection in project jena by apache.

the class AbstractTestTransSeq method trans_readBlock_09.

@Test
public void trans_readBlock_09() {
    // WRITE(commit)-READ(start)-WRITE(commit)-READ(finish)-check
    StoreConnection sConn = getStoreConnection();
    DatasetGraphTxn dsgW1 = sConn.begin(ReadWrite.WRITE);
    dsgW1.add(q1);
    dsgW1.commit();
    dsgW1.end();
    DatasetGraphTxn dsgR1 = sConn.begin(ReadWrite.READ);
    DatasetGraphTxn dsgW2 = sConn.begin(ReadWrite.WRITE);
    dsgW2.add(q2);
    dsgW2.commit();
    dsgW2.end();
    DatasetGraphTxn dsgR2 = sConn.begin(ReadWrite.READ);
    assertTrue(dsgR1.contains(q1));
    assertFalse(dsgR1.contains(q2));
    assertTrue(dsgR2.contains(q1));
    assertTrue(dsgR2.contains(q2));
    dsgR1.end();
    dsgR2.end();
    sConn.flush();
    DatasetGraph dsg = sConn.getBaseDataset();
    assertTrue(dsg.contains(q1));
    assertTrue(dsg.contains(q2));
}

Example 14 with StoreConnection

use of org.apache.jena.tdb.StoreConnection in project jena by apache.

the class AbstractTestTransSeq method trans_04.

@Test
public void trans_04() {
    // WRITE-abort-READ-check
    StoreConnection sConn = getStoreConnection();
    DatasetGraphTxn dsgW = sConn.begin(ReadWrite.WRITE);
    dsgW.add(q);
    assertTrue(dsgW.contains(q));
    dsgW.abort();
    dsgW.end();
    DatasetGraphTxn dsg2 = sConn.begin(ReadWrite.READ);
    assertFalse(dsg2.contains(q));
    dsg2.end();
    sConn.flush();
    DatasetGraph dsg = sConn.getBaseDataset();
    assertFalse(dsg.contains(q));
}

Example 15 with StoreConnection

use of org.apache.jena.tdb.StoreConnection in project jena by apache.

the class AbstractTestTransSeq method trans_readBlock_06.

@Test
public void trans_readBlock_06() {
    // WRITE(start)-READ(start)-WRITE(commit)-READ sees old DSG.
    // READ before WRITE remains seeing old view - READ after WRITE starts 
    StoreConnection sConn = getStoreConnection();
    DatasetGraphTxn dsgW = sConn.begin(ReadWrite.WRITE);
    DatasetGraphTxn dsgR = sConn.begin(ReadWrite.READ);
    dsgW.add(q);
    dsgW.commit();
    dsgW.end();
    assertFalse(dsgR.contains(q));
    dsgR.end();
    DatasetGraphTxn dsgR2 = sConn.begin(ReadWrite.READ);
    assertTrue(dsgR2.contains(q));
    dsgR2.end();
    sConn.flush();
    DatasetGraph dsg = sConn.getBaseDataset();
    assertTrue(dsg.contains(q));
}