org.apache.giraph.types.ops

Class TypeOpsUtils

java.lang.Object

org.apache.giraph.types.ops.TypeOpsUtils

public class TypeOpsUtils
extends Object

Utility functions for getting TypeOps instances from class types.

Method Summary

Modifier and Type	Method and Description
static <T> PrimitiveIdTypeOps<T>	getPrimitiveIdTypeOps(Class<T> type) Get PrimitiveIdTypeOps for given type.
static <T> PrimitiveIdTypeOps<T>	getPrimitiveIdTypeOpsOrNull(Class<T> type) Get PrimitiveIdTypeOps for given type, or null if there is none.
static <T> PrimitiveTypeOps<T>	getPrimitiveTypeOps(Class<T> type) Get PrimitiveTypeOps for given type.
static <T> PrimitiveTypeOps<T>	getPrimitiveTypeOpsOrNull(Class<T> type) Get PrimitiveTypeOps for given type, or null if there is none.
static <T> TypeOps<T>	getTypeOps(Class<T> type) Get TypeOps for given type.
static <T> TypeOps<T>	getTypeOpsOrNull(Class<T> type) Get TypeOps for given type, or null if there is none.
static <O extends TypeOps<?>> O	readTypeOps(DataInput input) Read TypeOps object from the stream
static <T> void	writeTypeOps(TypeOps<T> typeOps, DataOutput output) Write TypeOps object into a stream

Methods inherited from class java.lang.Object

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

Method Detail

getPrimitiveIdTypeOpsOrNull

public static <T> PrimitiveIdTypeOps<T> getPrimitiveIdTypeOpsOrNull(Class<T> type)

Get PrimitiveIdTypeOps for given type, or null if there is none.

Type Parameters:

T - Type

Parameters:

type - Class type

Returns:

PrimitiveIdTypeOps

getPrimitiveIdTypeOps

public static <T> PrimitiveIdTypeOps<T> getPrimitiveIdTypeOps(Class<T> type)

Get PrimitiveIdTypeOps for given type. Exception will be thrown if there is none.

Type Parameters:

T - Type

Parameters:

type - Class type

Returns:

PrimitiveIdTypeOps

getPrimitiveTypeOpsOrNull

public static <T> PrimitiveTypeOps<T> getPrimitiveTypeOpsOrNull(Class<T> type)

Get PrimitiveTypeOps for given type, or null if there is none.

Type Parameters:

T - Type

Parameters:

type - Class type

Returns:

PrimitiveTypeOps

getPrimitiveTypeOps

public static <T> PrimitiveTypeOps<T> getPrimitiveTypeOps(Class<T> type)

Get PrimitiveTypeOps for given type. Exception will be thrown if there is none.

Type Parameters:

T - Type

Parameters:

type - Class type

Returns:

PrimitiveTypeOps

getTypeOpsOrNull

public static <T> TypeOps<T> getTypeOpsOrNull(Class<T> type)

Get TypeOps for given type, or null if there is none.

Type Parameters:

T - Type

Parameters:

type - Class type

Returns:

TypeOps

getTypeOps

public static <T> TypeOps<T> getTypeOps(Class<T> type)

Get TypeOps for given type. Exception will be thrown if there is none.

Type Parameters:

T - Type

Parameters:

type - Class type

Returns:

TypeOps

writeTypeOps

public static <T> void writeTypeOps(TypeOps<T> typeOps,
                                    DataOutput output)
                             throws IOException

Write TypeOps object into a stream

Type Parameters:

T - Corresponding type

Parameters:

typeOps - type ops instance

output - output stream

Throws:

IOException

readTypeOps

public static <O extends TypeOps<?>> O readTypeOps(DataInput input)
                                            throws IOException

Read TypeOps object from the stream

Type Parameters:

O - Concrete TypeOps type

Parameters:

input - input stream

Returns:

type ops instance

Throws:

IOException