org.apache.flink.api.java.typeutils

Class TupleTypeInfoBase<T>

java.lang.Object

org.apache.flink.api.common.typeinfo.TypeInformation<T>

org.apache.flink.api.common.typeutils.CompositeType<T>

org.apache.flink.api.java.typeutils.TupleTypeInfoBase<T>

Direct Known Subclasses:

TupleTypeInfo

public abstract class TupleTypeInfoBase<T>
extends CompositeType<T>

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.flink.api.common.typeutils.CompositeType

CompositeType.FlatFieldDescriptor

Field Summary

Fields

Modifier and Type	Field and Description
protected Class<T>	tupleType
protected TypeInformation<?>[]	types

Fields inherited from class org.apache.flink.api.common.typeutils.CompositeType

typeClass

Constructor Summary

Constructors

Constructor and Description
TupleTypeInfoBase(Class<T> tupleType, TypeInformation<?>... types)

Method Summary

Methods

Modifier and Type	Method and Description
void	addAllFields(int startKeyId, List<CompositeType.FlatFieldDescriptor> keyFields) Recursively add all fields in this tuple type.
boolean	equals(Object obj)
int	getArity()
void	getKey(String fieldExpression, int offset, List<CompositeType.FlatFieldDescriptor> result)
int	getTotalFields()
<X> TypeInformation<X>	getTypeAt(int pos)
Class<T>	getTypeClass()
int	hashCode()
boolean	isBasicType()
boolean	isKeyType()
boolean	isTupleType()
String	toString()

Methods inherited from class org.apache.flink.api.common.typeutils.CompositeType

addCompareField, createComparator, getNewComparator, initializeNewComparator

Methods inherited from class org.apache.flink.api.common.typeinfo.TypeInformation

createSerializer

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

types

protected final TypeInformation<?>[] types

tupleType

protected final Class<T> tupleType

Constructor Detail

TupleTypeInfoBase

public TupleTypeInfoBase(Class<T> tupleType,
                 TypeInformation<?>... types)

Method Detail

isBasicType

public boolean isBasicType()

Specified by:

isBasicType in class TypeInformation<T>

isTupleType

public boolean isTupleType()

Specified by:

isTupleType in class TypeInformation<T>

getArity

public int getArity()

Specified by:

getArity in class TypeInformation<T>

getTotalFields

public int getTotalFields()

Specified by:

getTotalFields in class TypeInformation<T>

getTypeClass

public Class<T> getTypeClass()

Specified by:

getTypeClass in class TypeInformation<T>

addAllFields

public void addAllFields(int startKeyId,
                List<CompositeType.FlatFieldDescriptor> keyFields)

Recursively add all fields in this tuple type. We need this in particular to get all the types.

Parameters:

keyId -

keyFields -

getKey

public void getKey(String fieldExpression,
          int offset,
          List<CompositeType.FlatFieldDescriptor> result)

Specified by:

getKey in class CompositeType<T>

getTypeAt

public <X> TypeInformation<X> getTypeAt(int pos)

Specified by:

getTypeAt in class CompositeType<T>

isKeyType

public boolean isKeyType()

Specified by:

isKeyType in class TypeInformation<T>

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object