Examples with PageSnapshot org.apache.ignite.internal.pagemem.wal.record.PageSnapshot used on opensource projects

Example 31 with PageSnapshot

use of org.apache.ignite.internal.pagemem.wal.record.PageSnapshot in project ignite by apache.

the class IgniteWalConverterTest method testPages.

/**
 * Check that when using the "pages" argument we will see WalRecord with this pages in the utility output.
 *
 * @throws Exception If failed.
 */
@Test
public void testPages() throws Exception {
    List<T2<PageSnapshot, String>> walRecords = new ArrayList<>();
    String nodeDir = createWal(new ArrayList<>(), n -> {
        try (WALIterator walIter = n.context().cache().context().wal().replay(new WALPointer(0, 0, 0))) {
            while (walIter.hasNextX()) {
                WALRecord walRecord = walIter.nextX().get2();
                if (walRecord instanceof PageSnapshot)
                    walRecords.add(new T2<>((PageSnapshot) walRecord, walRecord.toString()));
            }
        }
    });
    assertFalse(walRecords.isEmpty());
    File walDir = U.resolveWorkDirectory(U.defaultWorkDirectory(), DFLT_WAL_PATH, false);
    assertTrue(U.fileCount(walDir.toPath()) > 0);
    File walNodeDir = new File(walDir, nodeDir);
    assertTrue(U.fileCount(walNodeDir.toPath()) > 0);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    PrintStream ps = new PrintStream(baos);
    T2<PageSnapshot, String> expRec = walRecords.get(0);
    IgniteWalConverterArguments args = parse(ps, "walDir=" + walDir.getAbsolutePath(), "pages=" + expRec.get1().fullPageId().groupId() + ':' + expRec.get1().fullPageId().pageId(), "skipCrc=" + true);
    baos.reset();
    convert(ps, args);
    assertContains(log, baos.toString(), expRec.get2());
}