Package com.d3x.morpheus.db

Class DbSink.ValueAdapter<R,C>

java.lang.Object

com.d3x.morpheus.db.DbSink.ColumnAdapter<R,C>

com.d3x.morpheus.db.DbSink.ValueAdapter<R,C>

Enclosing class:

DbSink

private class DbSink.ValueAdapter<R,C>
extends DbSink.ColumnAdapter<R,C>

A ColumnAdapter implementation that applies a value extracted from a DataFrameRow to the INSERT PreparedStatement

Field Summary

Fields

Modifier and Type	Field	Description
private com.d3x.morpheus.frame.DataFrameCursor<R,C>	cursor
private com.d3x.morpheus.util.functions.Function1<com.d3x.morpheus.frame.DataFrameValue<R,C>,?>	mapper

Fields inherited from class com.d3x.morpheus.db.DbSink.ColumnAdapter

colName, colType

Constructor Summary

Constructors

Constructor	Description
ValueAdapter(java.lang.String colName, com.d3x.morpheus.util.sql.SQLType colType, com.d3x.morpheus.frame.DataFrameCursor<R,C> cursor, com.d3x.morpheus.util.functions.Function1<com.d3x.morpheus.frame.DataFrameValue<R,C>,?> mapper)	Constructor

Method Summary

Modifier and Type	Method	Description
(package private) void	apply(java.sql.PreparedStatement stmt, int stmtIndex, com.d3x.morpheus.frame.DataFrameRow<R,C> row)	Applies a parameter value to the SQL PreparedStatement

Methods inherited from class com.d3x.morpheus.db.DbSink.ColumnAdapter

toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

cursor

private com.d3x.morpheus.frame.DataFrameCursor<R,C> cursor

mapper

private com.d3x.morpheus.util.functions.Function1<com.d3x.morpheus.frame.DataFrameValue<R,C>,?> mapper

Constructor Detail

ValueAdapter

ValueAdapter(java.lang.String colName,
             com.d3x.morpheus.util.sql.SQLType colType,
             com.d3x.morpheus.frame.DataFrameCursor<R,C> cursor,
             com.d3x.morpheus.util.functions.Function1<com.d3x.morpheus.frame.DataFrameValue<R,C>,?> mapper)

Constructor

Parameters:

colName - the column name in the database

colType - the column SQL type

cursor - the frame cursor, initialized to the correct column ordinal

mapper - the mapper to apply DataFrameValue to appropriate SQL type

Method Detail

apply

void apply(java.sql.PreparedStatement stmt,
           int stmtIndex,
           com.d3x.morpheus.frame.DataFrameRow<R,C> row)

Description copied from class: DbSink.ColumnAdapter

Applies a parameter value to the SQL PreparedStatement

Specified by:

apply in class DbSink.ColumnAdapter<R,C>

Parameters:

stmt - the PreparedStatement to apply parameter to

stmtIndex - the statement index for parameter

row - the row to extract a value from