org.h2.test.jdbc

Class TestCustomDataTypesHandler.TestOnlyCustomDataTypesHandler

java.lang.Object

org.h2.test.jdbc.TestCustomDataTypesHandler.TestOnlyCustomDataTypesHandler

All Implemented Interfaces:

CustomDataTypesHandler

Enclosing class:

TestCustomDataTypesHandler

public static class TestCustomDataTypesHandler.TestOnlyCustomDataTypesHandler
extends java.lang.Object
implements CustomDataTypesHandler

The custom data types handler to use for this test.

Field Summary

Fields

Modifier and Type	Field and Description
static int	COMPLEX_DATA_TYPE_ID Type id for complex number
static java.lang.String	COMPLEX_DATA_TYPE_NAME Type name for complex number
static int	COMPLEX_DATA_TYPE_ORDER Order for complex number data type
DataType	complexDataType Cached DataType instance for complex number

Constructor Summary

Constructors

Constructor and Description
TestOnlyCustomDataTypesHandler()

Method Summary

Modifier and Type	Method and Description
Value	convert(Value source, int targetType) Convert the provided source value into value of given target data type Shall implement conversions to and from custom data types.
int	getAddProofType(int type) Get compatible type identifier that would not overflow after many add operations.
DataType	getDataTypeById(int type) Get custom data type given its integer id
DataType	getDataTypeByName(java.lang.String name) Get custom data type given its name
java.lang.String	getDataTypeClassName(int type) Get custom data type class name given its integer id
int	getDataTypeOrder(int type) Get order for custom data type given its integer id
java.lang.Object	getObject(Value value, java.lang.Class<?> cls) Converts Value object to the specified class.
int	getTypeIdFromClass(java.lang.Class<?> cls) Get custom data type identifier given corresponding Java class
Value	getValue(int type, java.lang.Object data, DataHandler dataHandler) Get Value object corresponding to given data type identifier and data.
boolean	supportsAdd(int type) Checks if type supports add operation

Methods inherited from class java.lang.Object

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

Field Detail

COMPLEX_DATA_TYPE_NAME

public static final java.lang.String COMPLEX_DATA_TYPE_NAME

Type name for complex number

See Also:

Constant Field Values

COMPLEX_DATA_TYPE_ID

public static final int COMPLEX_DATA_TYPE_ID

Type id for complex number

See Also:

Constant Field Values

COMPLEX_DATA_TYPE_ORDER

public static final int COMPLEX_DATA_TYPE_ORDER

Order for complex number data type

See Also:

Constant Field Values

complexDataType

public final DataType complexDataType

Cached DataType instance for complex number

Constructor Detail

TestOnlyCustomDataTypesHandler

public TestOnlyCustomDataTypesHandler()

Method Detail

getDataTypeByName

public DataType getDataTypeByName(java.lang.String name)

Description copied from interface: CustomDataTypesHandler

Get custom data type given its name

Specified by:

getDataTypeByName in interface CustomDataTypesHandler

Parameters:

name - data type name

Returns:

custom data type

getDataTypeById

public DataType getDataTypeById(int type)

Description copied from interface: CustomDataTypesHandler

Get custom data type given its integer id

Specified by:

getDataTypeById in interface CustomDataTypesHandler

Parameters:

type - identifier of a data type

Returns:

custom data type

getDataTypeClassName

public java.lang.String getDataTypeClassName(int type)

Description copied from interface: CustomDataTypesHandler

Get custom data type class name given its integer id

Specified by:

getDataTypeClassName in interface CustomDataTypesHandler

Parameters:

type - identifier of a data type

Returns:

class name

getTypeIdFromClass

public int getTypeIdFromClass(java.lang.Class<?> cls)

Description copied from interface: CustomDataTypesHandler

Get custom data type identifier given corresponding Java class

Specified by:

getTypeIdFromClass in interface CustomDataTypesHandler

Parameters:

cls - Java class object

Returns:

type identifier

convert

public Value convert(Value source,
                     int targetType)

Description copied from interface: CustomDataTypesHandler

Convert the provided source value into value of given target data type Shall implement conversions to and from custom data types.

Specified by:

convert in interface CustomDataTypesHandler

Parameters:

source - source value

targetType - identifier of target data type

Returns:

converted value

getDataTypeOrder

public int getDataTypeOrder(int type)

Description copied from interface: CustomDataTypesHandler

Get order for custom data type given its integer id

Specified by:

getDataTypeOrder in interface CustomDataTypesHandler

Parameters:

type - identifier of a data type

Returns:

order associated with custom data type

getValue

public Value getValue(int type,
                      java.lang.Object data,
                      DataHandler dataHandler)

Description copied from interface: CustomDataTypesHandler

Get Value object corresponding to given data type identifier and data.

Specified by:

getValue in interface CustomDataTypesHandler

Parameters:

type - custom data type identifier

data - underlying data type value

dataHandler - data handler object

Returns:

Value object

getObject

public java.lang.Object getObject(Value value,
                                  java.lang.Class<?> cls)

Description copied from interface: CustomDataTypesHandler

Converts Value object to the specified class.

Specified by:

getObject in interface CustomDataTypesHandler

Parameters:

value - the value to convert

cls - the target class

Returns:

result

supportsAdd

public boolean supportsAdd(int type)

Description copied from interface: CustomDataTypesHandler

Checks if type supports add operation

Specified by:

supportsAdd in interface CustomDataTypesHandler

Parameters:

type - custom data type identifier

Returns:

True, if custom data type supports add operation

getAddProofType

public int getAddProofType(int type)

Description copied from interface: CustomDataTypesHandler

Get compatible type identifier that would not overflow after many add operations.

Specified by:

getAddProofType in interface CustomDataTypesHandler

Parameters:

type - identifier of a type

Returns:

resulting type identifier