Package guru.mikelue.jdut.operation

Interface DataGrainOperator

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface DataGrainOperator

Operator to execute code by fed DataGrain.

See Also:

Provided operators

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static interface	DataGrainOperator.SurroundOperator	The operator for surrounding of DataGrainOperator.

Method Summary

Modifier and Type	Method	Description
default BiConsumer<Connection,DataGrain>	asBiConsumer()	Converts this operator to BiConsumer with default SQLExceptionConvert.
default <E extends RuntimeException> BiConsumer<Connection,DataGrain>	asBiConsumer(SQLExceptionConvert<E> sqlExceptionConvert)	Converts this operator to BiConsumer with SQLExceptionConvert for thrown SQLException.
static DataGrain	none(Connection conn, DataGrain dataGrain)	Does nothing.
DataGrain	operate(Connection connection, DataGrain dataGrain)	Operates DataGrain by Connection.
default DataGrainOperator	surroundedBy(DataGrainOperator.SurroundOperator surroundOperator)	Surrounds this instance by DataGrainOperator.SurroundOperator.
default JdbcFunction<Connection,DataGrain>	toJdbcFunction(DataGrain dataGrain)	Converts this lambda to JdbcFunction.

Method Detail

none

static DataGrain none(Connection conn,
                      DataGrain dataGrain)

Does nothing.

Parameters:

conn - The connection object

dataGrain - The object of data grain

Returns:

The same data grain

toJdbcFunction

default JdbcFunction<Connection,DataGrain> toJdbcFunction(DataGrain dataGrain)

Converts this lambda to JdbcFunction.

Parameters:

dataGrain - The data grain to be fed

Returns:

The JDBC function

asBiConsumer

default <E extends RuntimeException> BiConsumer<Connection,DataGrain> asBiConsumer(SQLExceptionConvert<E> sqlExceptionConvert)

Converts this operator to BiConsumer with SQLExceptionConvert for thrown SQLException.

Type Parameters:

E - The type of runtime exception

Parameters:

sqlExceptionConvert - The conversion of SQLException

Returns:

A BiConsumer instance

asBiConsumer

default BiConsumer<Connection,DataGrain> asBiConsumer()

Converts this operator to BiConsumer with default SQLExceptionConvert.

Returns:

A BiConsumer instance

surroundedBy

default DataGrainOperator surroundedBy(DataGrainOperator.SurroundOperator surroundOperator)

Surrounds this instance by DataGrainOperator.SurroundOperator.

Parameters:

surroundOperator - The operator to surrounding staff

Returns:

new operator of data grain

operate

DataGrain operate(Connection connection,
                  DataGrain dataGrain)
           throws SQLException

Operates DataGrain by Connection.

Parameters:

connection - The connection of database

dataGrain - The data grain to be operated

Returns:

The processed data grain

Throws:

SQLException - The SQL exception defined by JDBC