Package org.apache.druid.segment.column

Class Types

java.lang.Object

org.apache.druid.segment.column.Types

public class Types
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	Types.IncompatibleTypeException
static class	Types.InvalidCastBooleanException
static class	Types.InvalidCastException

Constructor Summary

Constructors

Constructor	Description
Types()

Method Summary

Modifier and Type	Method	Description
static <T extends TypeDescriptor> boolean	either(TypeSignature<T> typeSignature1, TypeSignature<T> typeSignature2, T typeDescriptor)	Returns true if either supplied TypeSignature.getType() is the given TypeDescriptor Useful for choosing a common TypeDescriptor between two TypeSignature when one of the signatures might be null.
static <T extends TypeSignature<?>> T	fromString(TypeFactory<T> typeFactory, String typeString)	Create a TypeSignature given the value of TypeSignature.asTypeString() and a TypeFactory
static <T extends TypeDescriptor> boolean	is(TypeSignature<T> typeSignature, T typeDescriptor)	Returns true if TypeSignature.getType() is of the specified TypeDescriptor
static <T extends TypeDescriptor> boolean	isNullOr(TypeSignature<T> typeSignature, T typeDescriptor)	Returns true if TypeSignature.getType() is null, or of the specified TypeDescriptor
static <T extends TypeDescriptor> boolean	isNullOrAnyOf(TypeSignature<T> typeSignature, T... typeDescriptors)	Returns true if the TypeSignature is null, or is any one of the specified TypeDescriptor
static <T extends TypeDescriptor> boolean	isNumeric(TypeSignature<T> typeSignature)	Returns true if TypeSignature is not null and is TypeSignature.isNumeric()
static <T extends TypeDescriptor> boolean	isNumericOrNumericArray(TypeSignature<T> typeSignature)	Returns true if TypeSignature is not null and is TypeSignature.isNumeric() or has TypeSignature.getElementType() that is numeric.

Methods inherited from class java.lang.Object

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

Constructor Details

Types

public Types()

Method Details

fromString

@Nullable
public static <T extends TypeSignature<?>> T fromString(TypeFactory<T> typeFactory,
 @Nullable
 String typeString)

Create a TypeSignature given the value of TypeSignature.asTypeString() and a TypeFactory

is

public static <T extends TypeDescriptor> boolean is(@Nullable
 TypeSignature<T> typeSignature,
 T typeDescriptor)

Returns true if TypeSignature.getType() is of the specified TypeDescriptor

isNullOr

public static <T extends TypeDescriptor> boolean isNullOr(@Nullable
 TypeSignature<T> typeSignature,
 T typeDescriptor)

Returns true if TypeSignature.getType() is null, or of the specified TypeDescriptor

isNullOrAnyOf

public static <T extends TypeDescriptor> boolean isNullOrAnyOf(@Nullable
 TypeSignature<T> typeSignature,
 T... typeDescriptors)

Returns true if the TypeSignature is null, or is any one of the specified TypeDescriptor

either

public static <T extends TypeDescriptor> boolean either(@Nullable
 TypeSignature<T> typeSignature1,
 @Nullable
 TypeSignature<T> typeSignature2,
 T typeDescriptor)

Returns true if either supplied TypeSignature.getType() is the given TypeDescriptor Useful for choosing a common TypeDescriptor between two TypeSignature when one of the signatures might be null.

isNumeric

public static <T extends TypeDescriptor> boolean isNumeric(@Nullable
 TypeSignature<T> typeSignature)

Returns true if TypeSignature is not null and is TypeSignature.isNumeric()

isNumericOrNumericArray

public static <T extends TypeDescriptor> boolean isNumericOrNumericArray(@Nullable
 TypeSignature<T> typeSignature)

Returns true if TypeSignature is not null and is TypeSignature.isNumeric() or has TypeSignature.getElementType() that is numeric.