@Test
public void testInlining() throws Exception {
BufferManager buffMgr = BufferManagerFactory.getStandaloneBufferManager();
FileStore fs = buffMgr.createFileStore("temp");
ClobType clob =
new ClobType(
new ClobImpl(
new InputStreamFactory() {
@Override
public InputStream getInputStream() throws IOException {
return new ReaderInputStream(
new StringReader("small"), Charset.forName(Streamable.ENCODING));
}
},
5));
assertEquals(StorageMode.OTHER, InputStreamFactory.getStorageMode(clob));
LobManager lobManager = new LobManager(new int[] {0}, fs);
lobManager.updateReferences(Arrays.asList(clob), ReferenceMode.CREATE);
assertEquals(StorageMode.MEMORY, InputStreamFactory.getStorageMode(clob));
}
@Test
public void testLobPeristence() throws Exception {
BufferManager buffMgr = BufferManagerFactory.getStandaloneBufferManager();
FileStore fs = buffMgr.createFileStore("temp");
ClobType clob =
new ClobType(
new ClobImpl(
new InputStreamFactory() {
@Override
public InputStream getInputStream() throws IOException {
return new ReaderInputStream(
new StringReader("Clob contents One"),
Charset.forName(Streamable.ENCODING));
}
},
-1));
BlobType blob =
new BlobType(
new BlobImpl(
new InputStreamFactory() {
@Override
public InputStream getInputStream() throws IOException {
return new ReaderInputStream(
new StringReader("Blob contents Two"),
Charset.forName(Streamable.ENCODING));
}
}));
BlobType blobEmpty =
new BlobType(
new BlobImpl(
new InputStreamFactory() {
@Override
public InputStream getInputStream() throws IOException {
return new ByteArrayInputStream(new byte[0]);
}
}));
FileStore fs1 = buffMgr.createFileStore("blob");
FileStoreInputStreamFactory fsisf = new FileStoreInputStreamFactory(fs1, Streamable.ENCODING);
FileStoreOutputStream fsos = fsisf.getOuputStream();
byte[] b = new byte[DataTypeManager.MAX_LOB_MEMORY_BYTES + 1];
fsos.write(b);
fsos.close();
BlobType blob1 = new BlobType(new BlobImpl(fsisf));
assertNotNull(blob1.getReferenceStreamId());
LobManager lobManager = new LobManager(new int[] {0, 1, 2, 3}, fs);
lobManager.setMaxMemoryBytes(4);
List<?> tuple = Arrays.asList(clob, blob, blob1, blobEmpty);
lobManager.updateReferences(tuple, ReferenceMode.CREATE);
assertNotNull(blob1.getReferenceStreamId());
lobManager.persist();
Streamable<?> lob = lobManager.getLobReference(clob.getReferenceStreamId());
assertTrue(lob.getClass().isAssignableFrom(ClobType.class));
ClobType clobRead = (ClobType) lob;
assertEquals(ClobType.getString(clob), ClobType.getString(clobRead));
assertTrue(clobRead.length() != -1);
lob = lobManager.getLobReference(blob.getReferenceStreamId());
assertTrue(lob.getClass().isAssignableFrom(BlobType.class));
BlobType blobRead = (BlobType) lob;
assertTrue(
Arrays.equals(
ObjectConverterUtil.convertToByteArray(blob.getBinaryStream()),
ObjectConverterUtil.convertToByteArray(blobRead.getBinaryStream())));
lobManager.updateReferences(tuple, ReferenceMode.REMOVE);
assertEquals(0, lobManager.getLobCount());
}