Package org.springframework.data.cassandra.core.query

Class Columns.ColumnSelector

java.lang.Object

org.springframework.data.cassandra.core.query.Columns.ColumnSelector

All Implemented Interfaces:

Columns.Selector

Enclosing class:

Columns

public static class Columns.ColumnSelector
extends Object
implements Columns.Selector

Column selection.

Author:

Mark Paluch

Method Summary

Modifier and Type	Method	Description
Columns.ColumnSelector	as(com.datastax.oss.driver.api.core.CqlIdentifier alias)	Create a Columns.ColumnSelector for the current expression aliased as alias.
Columns.ColumnSelector	as(String alias)	Create a Columns.ColumnSelector for the current expression aliased as alias.
boolean	equals(Object o)
static Columns.ColumnSelector	from(com.datastax.oss.driver.api.core.CqlIdentifier columnName)	Create a Columns.ColumnSelector given CqlIdentifier.
static Columns.ColumnSelector	from(String columnName)	Create a Columns.ColumnSelector given a plain columnName.
static Columns.ColumnSelector	from(ColumnName columnName)	Create a Columns.ColumnSelector given ColumnName.
Optional<com.datastax.oss.driver.api.core.CqlIdentifier>	getAlias()
String	getExpression()
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Method Details

from

public static Columns.ColumnSelector from(ColumnName columnName)

Create a Columns.ColumnSelector given ColumnName.

from

public static Columns.ColumnSelector from(com.datastax.oss.driver.api.core.CqlIdentifier columnName)

Create a Columns.ColumnSelector given CqlIdentifier.

from

public static Columns.ColumnSelector from(String columnName)

Create a Columns.ColumnSelector given a plain columnName.

as

public Columns.ColumnSelector as(String alias)

Create a Columns.ColumnSelector for the current expression aliased as alias.

Parameters:

alias - must not be null or empty.

Returns:

the aliased Columns.ColumnSelector.

as

public Columns.ColumnSelector as(com.datastax.oss.driver.api.core.CqlIdentifier alias)

Create a Columns.ColumnSelector for the current expression aliased as alias.

Parameters:

alias - must not be null.

Returns:

the aliased Columns.ColumnSelector.

getAlias

public Optional<com.datastax.oss.driver.api.core.CqlIdentifier> getAlias()

Specified by:

getAlias in interface Columns.Selector

getExpression

public String getExpression()

Specified by:

getExpression in interface Columns.Selector

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(@Nullable
 Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object