/*
* Copyright (c) 2009, PostgreSQL Global Development Group
* See the LICENSE file in the project root for more information.
*/
package org.postgresql.copy;
import java.sql.
SQLException;
public interface
CopyOut extends
CopyOperation {
/**
* Blocks wait for a row of data to be received from server on an active copy operation.
*
* @return byte array received from server, null if server complete copy operation
* @throws SQLException if something goes wrong for example socket timeout
*/
byte[]
readFromCopy() throws
SQLException;
/**
* Wait for a row of data to be received from server on an active copy operation.
*
* @param block {@code true} if need wait data from server otherwise {@code false} and will read
* pending message from server
* @return byte array received from server, if pending message from server absent and use no
* blocking mode return null
* @throws SQLException if something goes wrong for example socket timeout
*/
byte[]
readFromCopy(boolean
block) throws
SQLException;
}