/* Copyright (c) 2001-2009, The HSQL Development Group
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of the HSQL Development Group nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL HSQL DEVELOPMENT GROUP, HSQLDB.ORG,
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.hsqldb.types;
import java.io.InputStream;
import java.io.OutputStream;
import org.hsqldb.Error;
import org.hsqldb.SessionInterface;
import org.hsqldb.result.Result;
import org.hsqldb.result.ResultLob;
public class BlobDataID implements BlobData {
long id;
public BlobDataID(long id) {
this.id = id;
}
public BlobData duplicate(SessionInterface session) {
return null;
}
public void free() {}
public InputStream getBinaryStream(SessionInterface session) {
return null;
}
public InputStream getBinaryStream(SessionInterface session, long pos,
long length) {
return null;
}
public byte[] getBytes() {
return null;
}
public byte[] getBytes(SessionInterface session, long pos, int length) {
ResultLob resultOut = ResultLob.newLobGetBytesRequest(id, pos, length);
Result resultIn = session.execute(resultOut);
if (resultIn.isError()) {
throw Error.error(resultIn);
}
return ((ResultLob) resultIn).getByteArray();
}
public BlobData getBlob(SessionInterface session, long pos, long length) {
ResultLob resultOut = ResultLob.newLobGetRequest(id, pos, length);
Result resultIn = session.execute(resultOut);
if (resultIn.isError()) {
throw Error.error(resultIn);
}
long lobID = ((ResultLob) resultIn).getLobID();
return new BlobDataID(lobID);
}
public long getId() {
return id;
}
public void setId(long id) {
this.id = id;
}
public int getStreamBlockSize() {
return 0;
}
public boolean isClosed() {
return false;
}
public long length(SessionInterface session) {
ResultLob resultOut = ResultLob.newLobGetLengthRequest(id);
Result resultIn = session.execute(resultOut);
if (resultIn.isError()) {
throw resultIn.getException();
}
return ((ResultLob) resultIn).getBlockLength();
}
public long bitLength(SessionInterface session) {
return 0;
}
public boolean isBits() {
return false;
}
public long position(SessionInterface session, BlobData pattern,
long start) {
return 0L;
}
public long position(SessionInterface session, byte[] pattern,
long start) {
ResultLob resultOut = ResultLob.newLobGetBytePatternPositionRequest(id,
pattern, start);
ResultLob resultIn = (ResultLob) session.execute(resultOut);
return resultIn.getOffset();
}
public long nonZeroLength(SessionInterface session) {
return 0;
}
public OutputStream setBinaryStream(SessionInterface session, long pos) {
return null;
}
public int setBytes(SessionInterface session, long pos, byte[] bytes,
int offset, int len) {
ResultLob resultOut = ResultLob.newLobSetBytesRequest(id, pos, bytes);
Result resultIn = (ResultLob) session.execute(resultOut);
if (resultIn.isError()) {
throw resultIn.getException();
}
return bytes.length;
}
public int setBytes(SessionInterface session, long pos, byte[] bytes) {
return 0;
}
public long setBinaryStream(SessionInterface session, long pos,
InputStream in) {
return 0;
}
public void setSession(SessionInterface session) {}
public void truncate(SessionInterface session, long len) {
ResultLob resultOut = ResultLob.newLobTruncateRequest(id, len);
Result resultIn = session.execute(resultOut);
if (resultIn.isError()) {
throw resultIn.getException();
}
}
public boolean isBinary() {
return true;
}
}