com.pivotal.gemfirexd.callbacks

Interface RowLoader

public interface RowLoader

This interface should be implemented by the user to insert an entire row. If there is a select on the primary key and the fabric database does not have the corresponding row in the table then it will call the load method of the implementation of this interface to obtain the row corresponding to that primary key.

Method Summary

Modifier and Type	Method and Description
java.lang.Object	getRow(java.lang.String schemaName, java.lang.String tableName, java.lang.Object[] primarykey)
void	init(java.lang.String initStr) This method is called to initialize the RowLoader with the parameters passed for the loader in the create table ddl.

Method Detail

getRow

java.lang.Object getRow(java.lang.String schemaName,
                        java.lang.String tableName,
                        java.lang.Object[] primarykey)
                 throws java.sql.SQLException

Parameters:

schemaName - Name of the schema.

tableName - Name of the table.

primarykey - The primary key as Object[] as multiple column can make up the primary key.

Returns:

The values of the columns as either a List<Object> or a ResultSet. The order of values should be in the same order as the order of columns in the table. If a ResultSet is returned, then only the first row will be read from it.

Throws:

java.sql.SQLException

init

void init(java.lang.String initStr)
   throws java.sql.SQLException

This method is called to initialize the RowLoader with the parameters passed for the loader in the create table ddl.

Parameters:

initStr - is the string passed to SYS.ATTACH_LOADER procedure

Throws:

java.sql.SQLException