Examples with Transaction jetbrains.exodus.env.Transaction used on opensource projects

Example 6 with Transaction

use of jetbrains.exodus.env.Transaction in project xodus by JetBrains.

the class VfsFileTests method testRenameFile.

@Test
public void testRenameFile() throws InterruptedException {
    testFileCreation();
    final Transaction txn = env.beginTransaction();
    File file0 = vfs.openFile(txn, "file0", false);
    txn.revert();
    Assert.assertNotNull(file0);
    final long fd = file0.getDescriptor();
    final long created = file0.getCreated();
    final long lastModified = file0.getLastModified();
    Thread.sleep(50);
    vfs.renameFile(txn, file0, "file1");
    txn.flush();
    file0 = vfs.openFile(txn, "file0", false);
    File file1 = vfs.openFile(txn, "file1", false);
    txn.abort();
    Assert.assertNull(file0);
    Assert.assertNotNull(file1);
    Assert.assertEquals(fd, file1.getDescriptor());
    Assert.assertEquals(created, file1.getCreated());
    Assert.assertTrue(file1.getLastModified() > lastModified);
}

Example 7 with Transaction

use of jetbrains.exodus.env.Transaction in project xodus by JetBrains.

the class VfsFileTests method testDeleteFile4.

@Test
public void testDeleteFile4() throws IOException {
    final Transaction txn = env.beginTransaction();
    for (int i = 0; i < 50; ++i) {
        final File file0 = vfs.createFile(txn, "file0");
        final OutputStream outputStream = vfs.writeFile(txn, file0);
        for (int j = 0; j < i; ++j) {
            outputStream.write(new byte[vfs.getConfig().getClusteringStrategy().getFirstClusterSize()]);
        }
        outputStream.write("vain bytes to be deleted".getBytes());
        for (int j = 0; j < i + 1; ++j) {
            outputStream.write(new byte[vfs.getConfig().getClusteringStrategy().getFirstClusterSize()]);
        }
        outputStream.close();
        txn.flush();
        Assert.assertNotNull(vfs.deleteFile(txn, "file0"));
        txn.flush();
    }
    Assert.assertEquals(0L, vfs.getContents().count(txn));
    txn.commit();
}

Example 8 with Transaction

use of jetbrains.exodus.env.Transaction in project xodus by JetBrains.

the class VfsFileTests method testDeleteFile2.

@Test
public void testDeleteFile2() {
    Transaction txn = env.beginTransaction();
    vfs.createFile(txn, "file0");
    txn.flush();
    vfs.deleteFile(txn, "file0");
    txn.flush();
    Assert.assertNull(vfs.openFile(txn, "file0", false));
    final File file0 = vfs.openFile(txn, "file0", true);
    txn.commit();
    Assert.assertNotNull(file0);
    Assert.assertEquals("file0", file0.getPath());
}

Example 9 with Transaction

use of jetbrains.exodus.env.Transaction in project xodus by JetBrains.

the class VfsFileTests method testOpenFile.

@Test
public void testOpenFile() {
    testFileCreation();
    final Transaction txn = env.beginTransaction();
    final File file0 = vfs.openFile(txn, "file0", false);
    txn.commit();
    Assert.assertNotNull(file0);
    Assert.assertEquals(0L, file0.getDescriptor());
    Assert.assertTrue(file0.getCreated() > 0);
    Assert.assertTrue(file0.getLastModified() > 0);
}

Example 10 with Transaction

use of jetbrains.exodus.env.Transaction in project xodus by JetBrains.

the class VfsFileTests method testDeleteFile.

@Test
public void testDeleteFile() {
    Transaction txn = env.beginTransaction();
    vfs.createFile(txn, "file0");
    txn.commit();
    txn = env.beginTransaction();
    final File file0 = vfs.deleteFile(txn, "file0");
    txn.commit();
    Assert.assertNotNull(file0);
    Assert.assertEquals("file0", file0.getPath());
}