org.apache.ignite.internal.portable

Class PortableUtils

java.lang.Object

org.apache.ignite.internal.portable.PortableUtils

public class PortableUtils
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static Map<Byte,Class<?>>	FLAG_TO_CLASS
static Map<Class<?>,Byte>	PLAIN_CLASS_TO_FLAG

Constructor Summary

Constructors

Constructor and Description
PortableUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static boolean	isPlainArrayType(int type) Checks whether an array type values can or can not contain references to other object.
static boolean	isPlainType(int type)
static boolean	isPortableOrCollectionType(Class<?> cls) Tells whether provided type is portable or a collection.
static boolean	isPortableType(Class<?> cls) Tells whether provided type is portable.
static <K,V> Map<K,V>	newMap(Map<K,V> map) Attempts to create a new map of the same type as map has.
static <V> Set<V>	newSet(Set<V> set) Attempts to create a new set of the same type as set has.
static byte	typeByClass(Class<?> cls)
static Object	unwrapLazy(Object obj)
static Iterator<Object>	unwrapLazyIterator(Iterator<Object> delegate)
static void	writePlainObject(PortableWriterExImpl writer, Object val) Write value with flag. e.g. writePlainObject(writer, (byte)77) will write two byte: {BYTE, 77}.

Methods inherited from class java.lang.Object

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

Field Detail

PLAIN_CLASS_TO_FLAG

public static final Map<Class<?>,Byte> PLAIN_CLASS_TO_FLAG

FLAG_TO_CLASS

public static final Map<Byte,Class<?>> FLAG_TO_CLASS

Constructor Detail

PortableUtils

public PortableUtils()

Method Detail

writePlainObject

public static void writePlainObject(PortableWriterExImpl writer,
                    Object val)

Write value with flag. e.g. writePlainObject(writer, (byte)77) will write two byte: {BYTE, 77}.

Parameters:

writer - W

val - Value.

unwrapLazy

public static Object unwrapLazy(@Nullable
                Object obj)

Parameters:

obj - Value to unwrap.

Returns:

Unwrapped value.

unwrapLazyIterator

public static Iterator<Object> unwrapLazyIterator(Iterator<Object> delegate)

Parameters:

delegate - Iterator to delegate.

Returns:

New iterator.

isPlainType

public static boolean isPlainType(int type)

Returns:

true if content of serialized value cannot contain references to other object.

isPlainArrayType

public static boolean isPlainArrayType(int type)

Checks whether an array type values can or can not contain references to other object.

Parameters:

type - Array type.

Returns:

true if content of serialized array value cannot contain references to other object.

typeByClass

public static byte typeByClass(Class<?> cls)

Parameters:

cls - Class.

Returns:

Portable field type.

isPortableOrCollectionType

public static boolean isPortableOrCollectionType(Class<?> cls)

Tells whether provided type is portable or a collection.

Parameters:

cls - Class to check.

Returns:

Whether type is portable or a collection.

isPortableType

public static boolean isPortableType(Class<?> cls)

Tells whether provided type is portable.

Parameters:

cls - Class to check.

Returns:

Whether type is portable.

newMap

public static <K,V> Map<K,V> newMap(Map<K,V> map)

Attempts to create a new map of the same type as map has. Otherwise returns new HashMap instance.

Parameters:

map - Original map.

Returns:

New map.

newSet

public static <V> Set<V> newSet(Set<V> set)

Attempts to create a new set of the same type as set has. Otherwise returns new HashSet instance.

Parameters:

set - Original set.

Returns:

New set.