Examples with EXCLUSIVE_WRITE_ACCESS de.tudarmstadt.ukp.clarin.webanno.api.casstorage.CasAccessMode.EXCLUSIVE_WRITE_ACCESS used on opensource projects

Example 1 with EXCLUSIVE_WRITE_ACCESS

use of de.tudarmstadt.ukp.clarin.webanno.api.casstorage.CasAccessMode.EXCLUSIVE_WRITE_ACCESS in project webanno by webanno.

the class CasStorageServiceImplTest method testRestorationOfCasWhenSaveFails.

@Test
public void testRestorationOfCasWhenSaveFails() throws Exception {
    try (CasStorageSession casStorageSession = openNested(true)) {
        // Setup fixture
        SourceDocument doc = makeSourceDocument(6l, 6l, "test");
        String user = "test";
        File casFile = sut.getCasFile(doc, user);
        long casFileSize;
        long casFileLastModified;
        try (CasStorageSession session = openNested(true)) {
            createCasFile(doc, user, "This is a test");
            assertThat(casFile).exists();
            casFileSize = casFile.length();
            casFileLastModified = casFile.lastModified();
        }
        CAS mainCas = sut.readCas(doc, user, EXCLUSIVE_WRITE_ACCESS);
        // Wrap the CAS in a proxy so that UIMA cannot serialize it
        CAS guardedCas = (CAS) Proxy.newProxyInstance(getClass().getClassLoader(), new Class[] { CAS.class }, (proxy, method, args) -> method.invoke(mainCas, args));
        assertThatExceptionOfType(IOException.class).as("Saving fails because UIMA cannot cast the proxied CAS to something serializable").isThrownBy(() -> sut.writeCas(doc, guardedCas, user)).withRootCauseInstanceOf(ClassCastException.class);
        assertThat(casFile).exists().hasSize(casFileSize);
        assertThat(casFile.lastModified()).isEqualTo(casFileLastModified);
        assertThat(new File(casFile.getParentFile(), user + ".ser.old")).doesNotExist();
    }
}