Interface ExecutableSelectOperation.UntypedSelect

All Superinterfaces:

ExecutableSelectOperation.TerminatingProjections

Enclosing interface:

ExecutableSelectOperation

public static interface ExecutableSelectOperation.UntypedSelect
extends ExecutableSelectOperation.TerminatingProjections

Select query that is not yet associated with a result type.

Since:

5.0

Author:

Mark Paluch, John Blum

Method Summary

Modifier and Type	Method	Description
<T> ExecutableSelectOperation.TerminatingResults<T>	as(Class<T> resultType)	Define the result target type that the Cassandra Row fields should be mapped to.
default <T> ExecutableSelectOperation.TerminatingResults<T>	map(Function<com.datastax.oss.driver.api.core.cql.Row, ? extends T> mapper)	Configure a mapping function that maps the Cassandra Row to a result type.
<T> ExecutableSelectOperation.TerminatingResults<T>	map(RowMapper<T> mapper)	Configure a RowMapper that maps the Cassandra Row to a result type.

Methods inherited from interface ExecutableSelectOperation.TerminatingProjections

count, exists

Method Details

as

@Contract("_ -> new")
<T> ExecutableSelectOperation.TerminatingResults<T> as(Class<T> resultType)

Define the result target type that the Cassandra Row fields should be mapped to.

Type Parameters:

T - type of the result.

Parameters:

resultType - result type; must not be null.

Returns:

new instance of ExecutableSelectOperation.TerminatingResults.

Throws:

IllegalArgumentException - if resultType is null.

map

@Contract("_ -> new")
default <T>
ExecutableSelectOperation.TerminatingResults<T> map(Function<com.datastax.oss.driver.api.core.cql.Row, ? extends T> mapper)

Configure a mapping function that maps the Cassandra Row to a result type. This is a simplified variant of map(RowMapper).

Type Parameters:

T - type of the result.

Parameters:

mapper - row mapping function; must not be null.

Returns:

new instance of ExecutableSelectOperation.TerminatingResults.

Throws:

IllegalArgumentException - if mapper is null.

See Also:

• map(RowMapper)

map

@Contract("_ -> new")
<T> ExecutableSelectOperation.TerminatingResults<T> map(RowMapper<T> mapper)

Configure a RowMapper that maps the Cassandra Row to a result type.

Type Parameters:

T - type of the result.

Parameters:

mapper - the row mapper; must not be null.

Returns:

new instance of ExecutableSelectOperation.TerminatingResults.

Throws:

IllegalArgumentException - if mapper is null.