Package io.lenses.sql.udf.value

Class Value

java.lang.Object

io.lenses.sql.udf.value.Value

Direct Known Subclasses:

Container, OptionalValue, Primitive

public abstract class Value
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field	Description
protected DataType	dataType

Constructor Summary

Constructors

Constructor	Description
Value(DataType dataType)

Method Summary

Modifier and Type	Method	Description
abstract Container	asContainer()
abstract Primitive	asPrimitive()
abstract RepeatedValue	asRepeatedValue()
abstract StructValue	asStructValue()
protected <T extends Value> T	convert(TryConversion<T> func, DataType toDataType)
abstract java.lang.Object	get()
DataType	getDataType()
boolean	isContainer()
abstract boolean	isPrimitive()
abstract BigDecimalValue	toBigDecimalValue()	Returns this value converted to a BigDecimalValue or throws an exception.
abstract BigIntValue	toBigIntValue()	Returns this value converted to a BigIntValue or throws an exception.
abstract BooleanValue	toBooleanValue()	Returns this value converted to a BooleanValue or throws an exception.
abstract ByteValue	toByteValue()	Returns this value converted to a ByteValue or throws an exception.
abstract DoubleValue	toDoubleValue()	Returns this value converted to a DoubleValue or throws an exception.
abstract FloatValue	toFloatValue()	Returns this value converted to a FloatValue or throws an exception.
abstract IntValue	toIntValue()	Returns this value converted to a IntValue or throws an exception.
abstract LongValue	toLongValue()	Returns this value converted to a LongValue or throws an exception.
OptionalValue	toOptional()	Returns this value converted to a NullValue.
abstract StringValue	toStringValue()	Returns this value converted to a StringValue or throws an exception.

Methods inherited from class java.lang.Object

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

Field Detail

dataType

protected DataType dataType

Constructor Detail

Value

public Value(DataType dataType)

Method Detail

convert

protected <T extends Value> T convert(TryConversion<T> func,
                                      DataType toDataType)
                               throws UdfException

Throws:

UdfException

get

public abstract java.lang.Object get()

asPrimitive

public abstract Primitive asPrimitive()
                               throws UdfException

Throws:

UdfException

asContainer

public abstract Container asContainer()
                               throws UdfException

Throws:

UdfException

asRepeatedValue

public abstract RepeatedValue asRepeatedValue()
                                       throws UdfException

Throws:

UdfException

asStructValue

public abstract StructValue asStructValue()
                                   throws UdfException

Throws:

UdfException

isPrimitive

public abstract boolean isPrimitive()

isContainer

public boolean isContainer()

getDataType

public DataType getDataType()

toOptional

public OptionalValue toOptional()
                         throws UdfException

Returns this value converted to a NullValue.

Returns:

Discards this values underlying value and returns a NullValue.

Throws:

UdfException

toBigDecimalValue

public abstract BigDecimalValue toBigDecimalValue()
                                           throws UdfException

Returns this value converted to a BigDecimalValue or throws an exception.

Returns:

this Value converted to a BigDecimalValue

Throws:

UdfException - if the conversion is not possible

toBigIntValue

public abstract BigIntValue toBigIntValue()
                                   throws UdfException

Returns this value converted to a BigIntValue or throws an exception.

Returns:

this Value converted to a BigIntValue

Throws:

UdfException - if the conversion is not possible

toBooleanValue

public abstract BooleanValue toBooleanValue()
                                     throws UdfException

Returns this value converted to a BooleanValue or throws an exception.

Returns:

this Value converted to a BooleanValue

Throws:

UdfException - if the conversion is not possible

toByteValue

public abstract ByteValue toByteValue()
                               throws UdfException

Returns this value converted to a ByteValue or throws an exception.

Returns:

this Value converted to a ByteValue

Throws:

UdfException - if the conversion is not possible

toDoubleValue

public abstract DoubleValue toDoubleValue()
                                   throws UdfException

Returns this value converted to a DoubleValue or throws an exception.

Returns:

this Value converted to a DoubleValue

Throws:

UdfException - if the conversion is not possible

toFloatValue

public abstract FloatValue toFloatValue()
                                 throws UdfException

Returns this value converted to a FloatValue or throws an exception.

Returns:

this Value converted to a FloatValue

Throws:

UdfException - if the conversion is not possible

toIntValue

public abstract IntValue toIntValue()
                             throws UdfException

Returns this value converted to a IntValue or throws an exception.

Returns:

this Value converted to a IntValue

Throws:

UdfException - if the conversion is not possible

toLongValue

public abstract LongValue toLongValue()
                               throws UdfException

Returns this value converted to a LongValue or throws an exception.

Returns:

this Value converted to a LongValue

Throws:

UdfException - if the conversion is not possible

toStringValue

public abstract StringValue toStringValue()
                                   throws UdfException

Returns this value converted to a StringValue or throws an exception.

Returns:

this Value converted to a StringValue

Throws:

UdfException - if the conversion is not possible