org.springframework.data.cassandra.core.convert

Class ColumnReader

java.lang.Object

org.springframework.data.cassandra.core.convert.ColumnReader

public class ColumnReader
extends Object

Helpful class to read a column's value from a row, with possible type conversion.

Author:

Matthew T. Adams, Antoine Toulme, Mark Paluch

Constructor Summary

Constructors

Constructor and Description
ColumnReader(com.datastax.driver.core.Row row)

Method Summary

Modifier and Type	Method and Description
Object	get(CqlIdentifier name) Returns the row's column value.
<T> T	get(CqlIdentifier name, Class<T> requestedType) Returns the row's column value as an instance of the given type.
Object	get(int index) Read data from a Column using the index.
<T> T	get(int i, Class<T> requestedType) Returns the row's column value as an instance of the given type.
Object	get(String name) Returns the row's column value.
<T> T	get(String name, Class<T> requestedType) Returns the row's column value as an instance of the given type.
com.datastax.driver.core.Row	getRow()

Methods inherited from class java.lang.Object

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

Constructor Detail

ColumnReader

public ColumnReader(com.datastax.driver.core.Row row)

Method Detail

get

@Nullable
public Object get(CqlIdentifier name)

Returns the row's column value.

get

@Nullable
public Object get(String name)

Returns the row's column value.

get

@Nullable
public Object get(int index)

Read data from a Column using the index.

Parameters:

index -

Returns:

getRow

public com.datastax.driver.core.Row getRow()

get

@Nullable
public <T> T get(CqlIdentifier name,
                           Class<T> requestedType)

Returns the row's column value as an instance of the given type.

Throws:

ClassCastException - if the value cannot be converted to the requested type.

get

@Nullable
public <T> T get(String name,
                           Class<T> requestedType)

Returns the row's column value as an instance of the given type.

Throws:

ClassCastException - if the value cannot be converted to the requested type.

get

@Nullable
public <T> T get(int i,
                           Class<T> requestedType)

Returns the row's column value as an instance of the given type.

Throws:

ClassCastException - if the value cannot be converted to the requested type.