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.

Since:

2.0

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.
boolean	equals(@Nullable 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()
com.datastax.oss.driver.api.core.CqlIdentifier	getIdentifier()
int	hashCode()
String	toString()

Methods inherited from class Object

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

Methods inherited from interface Columns.Selector

as

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(com.datastax.oss.driver.api.core.CqlIdentifier alias)

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

Specified by:

as in interface Columns.Selector

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

getIdentifier

public com.datastax.oss.driver.api.core.CqlIdentifier getIdentifier()

getExpression

public String getExpression()

Specified by:

getExpression in interface Columns.Selector

Returns:

the expression that forms this selection.

equals

public boolean equals(@Nullable Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object