T
- The type represented by this type information.@Public public class PojoTypeInfo<T> extends CompositeType<T>
Modifier and Type | Class and Description |
---|---|
static class |
PojoTypeInfo.NamedFlatFieldDescriptor |
CompositeType.FlatFieldDescriptor, CompositeType.InvalidFieldReferenceException, CompositeType.TypeComparatorBuilder<T>
Constructor and Description |
---|
PojoTypeInfo(Class<T> typeClass,
List<PojoField> fields) |
Modifier and Type | Method and Description |
---|---|
boolean |
canEqual(Object obj)
Returns true if the given object can be equaled with this object.
|
PojoSerializer<T> |
createPojoSerializer(ExecutionConfig config) |
TypeSerializer<T> |
createSerializer(ExecutionConfig config)
Creates a serializer for the type.
|
protected CompositeType.TypeComparatorBuilder<T> |
createTypeComparatorBuilder() |
boolean |
equals(Object obj) |
int |
getArity()
Gets the arity of this type - the number of fields without nesting.
|
int |
getFieldIndex(String fieldName)
Returns the field index of the composite field of the given name.
|
String[] |
getFieldNames()
Returns the names of the composite fields of this type.
|
void |
getFlatFields(String fieldExpression,
int offset,
List<CompositeType.FlatFieldDescriptor> result)
Computes the flat field descriptors for the given field expression with the given offset.
|
PojoField |
getPojoFieldAt(int pos) |
int |
getTotalFields()
Gets the number of logical fields in this type.
|
<X> TypeInformation<X> |
getTypeAt(int pos)
Returns the type of the (unnested) field at the given field position.
|
<X> TypeInformation<X> |
getTypeAt(String fieldExpression)
Returns the type of the (nested) field at the given field expression position.
|
int |
hashCode() |
boolean |
isBasicType()
Checks if this type information represents a basic type.
|
boolean |
isSortKeyType()
Checks whether this type can be used as a key for sorting.
|
boolean |
isTupleType()
Checks if this type information represents a Tuple type.
|
String |
toString() |
createComparator, getFlatFields, getTypeClass, hasDeterministicFieldOrder, hasField, isKeyType
getGenericParameters, of, of
@PublicEvolving public PojoTypeInfo(Class<T> typeClass, List<PojoField> fields)
@PublicEvolving public boolean isBasicType()
TypeInformation
BasicTypeInfo
and are primitives, their boxing types, Strings, Date, Void, ...isBasicType
in class TypeInformation<T>
@PublicEvolving public boolean isTupleType()
TypeInformation
isTupleType
in class TypeInformation<T>
@PublicEvolving public int getArity()
TypeInformation
getArity
in class TypeInformation<T>
@PublicEvolving public int getTotalFields()
TypeInformation
The total number of fields must be at least 1.
getTotalFields
in class TypeInformation<T>
@PublicEvolving public boolean isSortKeyType()
TypeInformation
isSortKeyType
in class CompositeType<T>
@PublicEvolving public void getFlatFields(String fieldExpression, int offset, List<CompositeType.FlatFieldDescriptor> result)
CompositeType
getFlatFields
in class CompositeType<T>
fieldExpression
- The field expression for which the FlatFieldDescriptors are computed.offset
- The offset to use when computing the positions of the flat fields.result
- The list into which all flat field descriptors are inserted.@PublicEvolving public <X> TypeInformation<X> getTypeAt(String fieldExpression)
CompositeType
getTypeAt
in class CompositeType<T>
fieldExpression
- The field expression for which the field of which the type is
returned.@PublicEvolving public <X> TypeInformation<X> getTypeAt(int pos)
CompositeType
getTypeAt
in class CompositeType<T>
pos
- The position of the (unnested) field in this composite type.@PublicEvolving protected CompositeType.TypeComparatorBuilder<T> createTypeComparatorBuilder()
createTypeComparatorBuilder
in class CompositeType<T>
@PublicEvolving public PojoField getPojoFieldAt(int pos)
@PublicEvolving public String[] getFieldNames()
CompositeType
getFieldNames
in class CompositeType<T>
@PublicEvolving public int getFieldIndex(String fieldName)
CompositeType
getFieldIndex
in class CompositeType<T>
@PublicEvolving public TypeSerializer<T> createSerializer(ExecutionConfig config)
TypeInformation
createSerializer
in class TypeInformation<T>
config
- The config used to parameterize the serializer.public PojoSerializer<T> createPojoSerializer(ExecutionConfig config)
public boolean equals(Object obj)
equals
in class CompositeType<T>
public int hashCode()
hashCode
in class CompositeType<T>
public boolean canEqual(Object obj)
TypeInformation
canEqual
in class CompositeType<T>
obj
- Object which wants to take part in the equality relationpublic String toString()
toString
in class CompositeType<T>
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