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/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or .
*/
package org.hibernate.engine.jdbc;
import java.io.InputStream;
import java.io.Reader;
import java.sql.Blob;
import java.sql.Clob;
import java.sql.NClob;
/**
* Contract for creating various LOB references.
*
* @author Steve Ebersole
* @author Gail Badner
*/
public interface LobCreator {
/**
* Wrap the given blob in a serializable wrapper.
*
* @param blob The blob to be wrapped.
* @return The wrapped blob which will be castable to {@link Blob} as well as {@link WrappedBlob}.
*/
public Blob wrap(Blob blob);
/**
* Wrap the given clob in a serializable wrapper.
*
* @param clob The clob to be wrapped.
* @return The wrapped clob which will be castable to {@link Clob} as well as {@link WrappedClob}.
*/
public Clob wrap(Clob clob);
/**
* Wrap the given nclob in a serializable wrapper.
*
* @param nclob The nclob to be wrapped.
* @return The wrapped nclob which will be castable to {@link NClob} as well as {@link WrappedNClob}.
*/
public NClob wrap(NClob nclob);
/**
* Create a BLOB reference encapsulating the given byte array.
*
* @param bytes The byte array to wrap as a blob.
* @return The created blob, castable to {@link Blob} as well as {@link BlobImplementer}
*/
public Blob createBlob(byte[] bytes);
/**
* Create a BLOB reference encapsulating the given binary stream.
*
* @param stream The binary stream to wrap as a blob.
* @param length The length of the stream.
* @return The created blob, castable to {@link Blob} as well as {@link BlobImplementer}
*/
public Blob createBlob(InputStream stream, long length);
/**
* Create a CLOB reference encapsulating the given String data.
*
* @param string The String to wrap as a clob.
* @return The created clob, castable to {@link Clob} as well as {@link ClobImplementer}
*/
public Clob createClob(String string);
/**
* Create a CLOB reference encapsulating the given character data.
*
* @param reader The character data reader.
* @param length The length of the reader data.
* @return The created clob, castable to {@link Clob} as well as {@link ClobImplementer}
*/
public Clob createClob(Reader reader, long length);
/**
* Create a NCLOB reference encapsulating the given String data.
*
* @param string The String to wrap as a NCLOB.
* @return The created NCLOB, castable as {@link Clob} as well as {@link NClobImplementer}. In JDK 1.6
* environments, also castable to java.sql.NClob
*/
public NClob createNClob(String string);
/**
* Create a NCLOB reference encapsulating the given character data.
*
* @param reader The character data reader.
* @param length The length of the reader data.
* @return The created NCLOB, castable as {@link Clob} as well as {@link NClobImplementer}. In JDK 1.6
* environments, also castable to java.sql.NClob
*/
public NClob createNClob(Reader reader, long length);
}