Examples with ReaderInputStream org.teiid.core.util.ReaderInputStream used on opensource projects

Example 16 with ReaderInputStream

use of org.teiid.core.util.ReaderInputStream in project teiid by teiid.

the class TestLobManager method testInlining.

@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));
}

Example 17 with ReaderInputStream

use of org.teiid.core.util.ReaderInputStream in project teiid by teiid.

the class TestLobManager method testLobPeristence.

@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());
}

Example 18 with ReaderInputStream

use of org.teiid.core.util.ReaderInputStream in project teiid by teiid.

the class PreparedStatementImpl method setClob.

void setClob(Object parameterIndex, final Reader reader) throws SQLException {
    if (reader == null) {
        this.setObject(parameterIndex, null);
        return;
    }
    final ReaderInputStream readerInputStream = new ReaderInputStream(reader, Charset.forName(Streamable.ENCODING));
    this.setObject(parameterIndex, new ClobImpl(new InputStreamFactory() {

        @Override
        public InputStream getInputStream() throws IOException {
            return readerInputStream;
        }
    }, -1));
}