Package software.amazon.smithy.rulesengine.language.evaluation.value

Class Value

java.lang.Object

software.amazon.smithy.rulesengine.language.evaluation.value.Value

All Implemented Interfaces:

FromSourceLocation, ToNode

Direct Known Subclasses:

ArrayValue, BooleanValue, EmptyValue, EndpointValue, IntegerValue, RecordValue, StringValue

public abstract class Value
extends java.lang.Object
implements FromSourceLocation, ToNode

An abstract representing a typed value.

Method Summary

Modifier and Type	Method	Description
static ArrayValue	arrayValue(java.util.List<Value> value)	Creates an ArrayValue from a list of values.
static BooleanValue	booleanValue(boolean value)	Creates an BooleanValue from a boolean.
static EmptyValue	emptyValue()	Creates an EmptyValue.
static EndpointValue	endpointValue(Node source)	Creates an EndpointValue from a node.
ArrayValue	expectArrayValue()	Returns the current value as an ArrayValue, throwing RuntimeException when the value is the wrong type.
BooleanValue	expectBooleanValue()	Returns the current value as an ArrayValue, throwing RuntimeException when the value is the wrong type.
EndpointValue	expectEndpointValue()	Returns the current value as an ArrayValue, throwing RuntimeException when the value is the wrong type.
IntegerValue	expectIntegerValue()	Returns the current value as an ArrayValue, throwing RuntimeException when the value is the wrong type.
RecordValue	expectRecordValue()	Returns the current value as an ArrayValue, throwing RuntimeException when the value is the wrong type.
StringValue	expectStringValue()	Returns the current value as an ArrayValue, throwing RuntimeException when the value is the wrong type.
static Value	fromNode(Node source)	Creates a Value of a specific type from the given Node information.
SourceLocation	getSourceLocation()	Gets the source location of a value.
abstract Type	getType()
static IntegerValue	integerValue(int value)	Creates an IntegerValue from an integer.
boolean	isEmpty()
static RecordValue	recordValue(java.util.Map<Identifier,Value> value)	Creates an RecordValue from a map of identifiers to values.
static StringValue	stringValue(java.lang.String value)	Creates an StringValue from a string.

Methods inherited from class java.lang.Object

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

Methods inherited from interface software.amazon.smithy.model.node.ToNode

toNode

Method Detail

getType

public abstract Type getType()

fromNode

public static Value fromNode(Node source)

Creates a Value of a specific type from the given Node information.

Parameters:

source - the node to deserialize.

Returns:

the created Value.

isEmpty

public boolean isEmpty()

getSourceLocation

public SourceLocation getSourceLocation()

Description copied from interface: FromSourceLocation

Gets the source location of a value.

Specified by:

getSourceLocation in interface FromSourceLocation

Returns:

Returns the source location of the value.

arrayValue

public static ArrayValue arrayValue(java.util.List<Value> value)

Creates an ArrayValue from a list of values.

Parameters:

value - the list of values for the array.

Returns:

returns the created ArrayValue.

booleanValue

public static BooleanValue booleanValue(boolean value)

Creates an BooleanValue from a boolean.

Parameters:

value - the value for the boolean.

Returns:

returns the created BooleanValue.

emptyValue

public static EmptyValue emptyValue()

Creates an EmptyValue.

Returns:

returns the created EmptyValue.

endpointValue

public static EndpointValue endpointValue(Node source)

Creates an EndpointValue from a node.

Parameters:

source - the node to create an endpoint from.

Returns:

returns the created EndpointValue.

integerValue

public static IntegerValue integerValue(int value)

Creates an IntegerValue from an integer.

Parameters:

value - the value for the integer.

Returns:

returns the created IntegerValue.

recordValue

public static RecordValue recordValue(java.util.Map<Identifier,Value> value)

Creates an RecordValue from a map of identifiers to values.

Parameters:

value - the map to create a record from.

Returns:

returns the created RecordValue.

stringValue

public static StringValue stringValue(java.lang.String value)

Creates an StringValue from a string.

Parameters:

value - the value for the string.

Returns:

returns the created StringValue.

expectArrayValue

public ArrayValue expectArrayValue()

Returns the current value as an ArrayValue, throwing RuntimeException when the value is the wrong type.

Returns:

returns an array value.

expectBooleanValue

public BooleanValue expectBooleanValue()

Returns the current value as an ArrayValue, throwing RuntimeException when the value is the wrong type.

Returns:

returns a boolean value.

expectEndpointValue

public EndpointValue expectEndpointValue()

Returns the current value as an ArrayValue, throwing RuntimeException when the value is the wrong type.

Returns:

returns an endpoint value

expectIntegerValue

public IntegerValue expectIntegerValue()

Returns the current value as an ArrayValue, throwing RuntimeException when the value is the wrong type.

Returns:

returns an integer value.

expectRecordValue

public RecordValue expectRecordValue()

Returns the current value as an ArrayValue, throwing RuntimeException when the value is the wrong type.

Returns:

returns a record value.

expectStringValue

public StringValue expectStringValue()

Returns the current value as an ArrayValue, throwing RuntimeException when the value is the wrong type.

Returns:

returns a string value.