org.apache.flink.util

Class ClassUtils

java.lang.Object

org.apache.flink.util.ClassUtils

public final class ClassUtils
extends Object

Utility class which provides various methods for dynamic class loading.

Method Summary

Modifier and Type	Method and Description
static Class<? extends FileSystem>	getFileSystemByName(String className) Searches for a file system class by its name and attempts to load it.
static Class<? extends VersionedProtocol>	getProtocolByName(String className) Searches for a protocol class by its name and attempts to load it.
static Class<? extends IOReadableWritable>	getRecordByName(String className) Searches for a record class by its name and attempts to load it.
static boolean	isBoxedTypeOrString(Class<?> clazz)
static boolean	isPrimitiveOrBoxedOrString(Class<?> clazz)
static Class<?>	resolveClassPrimitiveAware(String className)

Methods inherited from class java.lang.Object

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

Method Detail

getProtocolByName

public static Class<? extends VersionedProtocol> getProtocolByName(String className)
                                                            throws ClassNotFoundException

Searches for a protocol class by its name and attempts to load it.

Parameters:

className - the name of the protocol class

Returns:

an instance of the protocol class

Throws:

ClassNotFoundException - thrown if no class with such a name can be found

getRecordByName

public static Class<? extends IOReadableWritable> getRecordByName(String className)
                                                           throws ClassNotFoundException

Searches for a record class by its name and attempts to load it.

Parameters:

className - the name of the record class

Returns:

an instance of the record class

Throws:

ClassNotFoundException - thrown if no class with such a name can be found

getFileSystemByName

public static Class<? extends FileSystem> getFileSystemByName(String className)
                                                       throws ClassNotFoundException

Searches for a file system class by its name and attempts to load it.

Parameters:

className - the name of the file system class

Returns:

an instance of the file system class

Throws:

ClassNotFoundException - thrown if no class with such a name can be found

resolveClassPrimitiveAware

public static Class<?> resolveClassPrimitiveAware(String className)
                                           throws ClassNotFoundException

Throws:

ClassNotFoundException

isPrimitiveOrBoxedOrString

public static boolean isPrimitiveOrBoxedOrString(Class<?> clazz)

isBoxedTypeOrString

public static boolean isBoxedTypeOrString(Class<?> clazz)