Package org.apache.flink.api.common.typeinfo.descriptor

Class MapTypeDescriptorImpl<K,V>

java.lang.Object

org.apache.flink.api.common.typeinfo.descriptor.MapTypeDescriptorImpl<K,V>

Type Parameters:

K - type for which key TypeInformation is created.

V - type for which value TypeInformation is created.

All Implemented Interfaces:

Serializable, org.apache.flink.api.common.typeinfo.TypeDescriptor<Map<K,V>>

@Internal
public class MapTypeDescriptorImpl<K,V>
extends Object
implements org.apache.flink.api.common.typeinfo.TypeDescriptor<Map<K,V>>

Implementation of TypeDescriptor to create MapTypeInfo. Note that this class is initiated via reflection. So, changing its path or constructor will brake tests.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
MapTypeDescriptorImpl(org.apache.flink.api.common.typeinfo.TypeDescriptor<K> keyTypeDescriptor, org.apache.flink.api.common.typeinfo.TypeDescriptor<V> valueTypeDescriptor)

Method Summary

Modifier and Type	Method	Description
Class<K>	getKeyTypeClass()
Class<V>	getKeyValueClass()
MapTypeInfo<K,V>	getMapTypeInfo()
Class<Map<K,V>>	getTypeClass()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

MapTypeDescriptorImpl

public MapTypeDescriptorImpl(org.apache.flink.api.common.typeinfo.TypeDescriptor<K> keyTypeDescriptor,
                             org.apache.flink.api.common.typeinfo.TypeDescriptor<V> valueTypeDescriptor)

Method Detail

getMapTypeInfo

public MapTypeInfo<K,V> getMapTypeInfo()

getTypeClass

public Class<Map<K,V>> getTypeClass()

Specified by:

getTypeClass in interface org.apache.flink.api.common.typeinfo.TypeDescriptor<K>

getKeyTypeClass

public Class<K> getKeyTypeClass()

getKeyValueClass

public Class<V> getKeyValueClass()

toString

public String toString()

Overrides:

toString in class Object