Package dev.cel.runtime

Class RuntimeHelpers

java.lang.Object

dev.cel.runtime.RuntimeHelpers

@Internal
public final class RuntimeHelpers
extends java.lang.Object

Helper methods for common CEL related routines.

CEL Library Internals. Do Not Use.

Field Summary

Fields

Modifier and Type	Field	Description
static Converter<java.lang.Double,java.lang.Float>	DOUBLE_TO_FLOAT
static Converter<java.lang.Float,java.lang.Double>	FLOAT_TO_DOUBLE
static Converter<java.lang.Integer,java.lang.Long>	INT32_TO_INT64
static Converter<java.lang.Long,java.lang.Integer>	INT64_TO_INT32
static Converter<java.lang.Integer,java.lang.Long>	UINT32_TO_UINT64

Method Summary

Modifier and Type	Method	Description
static java.lang.Object	adaptProtoToValue(DynamicProto dynamicProto, MessageOrBuilder obj, CelOptions celOptions)	Adapts a protobuf.Message to a plain old Java object.
static java.lang.Object	adaptValue(DynamicProto dynamicProto, java.lang.Object value, CelOptions celOptions)	Adapts a plain old Java object into a CEL value.
static com.google.re2j.Pattern	compilePattern(java.lang.String regexp)	Create a compiled pattern for the given regular expression.
static <E> java.util.List<E>	concat(java.util.List<E> first, java.util.List<E> second)	Concatenates two lists into a new list.
static Duration	createDurationFromString(java.lang.String d)	Convert a string to a Duration.
static java.util.Optional<java.lang.Long>	doubleToLongChecked(double v)
static java.util.Optional<java.lang.Long>	doubleToLongLossless(java.lang.Number v)
static java.util.Optional<com.google.common.primitives.UnsignedLong>	doubleToUnsignedChecked(double v)
static <A> Converter<A,A>	identity()
static <A> A	indexList(java.util.List<A> list, java.lang.Number index)	Bound-checked indexing of lists.
static long	int64Add(long x, long y, CelOptions celOptions)
static long	int64Divide(long x, long y, CelOptions celOptions)
static long	int64Multiply(long x, long y, CelOptions celOptions)
static long	int64Negate(long x, CelOptions celOptions)
static long	int64Subtract(long x, long y, CelOptions celOptions)
static boolean	matches(java.lang.String string, java.lang.String regexp)	Match a string against a regular expression.
static boolean	matches(java.lang.String string, java.lang.String regexp, CelOptions celOptions)
static java.lang.Object	maybeAdaptPrimitive(java.lang.Object value)	Adapts a Number value to its appropriate CEL type.
static long	uint64Add(long x, long y, CelOptions celOptions)
static com.google.common.primitives.UnsignedLong	uint64Add(com.google.common.primitives.UnsignedLong x, com.google.common.primitives.UnsignedLong y)
static int	uint64CompareTo(long x, long y)
static int	uint64CompareTo(long x, long y, CelOptions celOptions)
static int	uint64CompareTo(com.google.common.primitives.UnsignedLong x, com.google.common.primitives.UnsignedLong y)
static long	uint64Divide(long x, long y)
static long	uint64Divide(long x, long y, CelOptions celOptions)
static com.google.common.primitives.UnsignedLong	uint64Divide(com.google.common.primitives.UnsignedLong x, com.google.common.primitives.UnsignedLong y)
static long	uint64Mod(long x, long y)
static long	uint64Mod(long x, long y, CelOptions celOptions)
static com.google.common.primitives.UnsignedLong	uint64Mod(com.google.common.primitives.UnsignedLong x, com.google.common.primitives.UnsignedLong y)
static long	uint64Multiply(long x, long y)
static long	uint64Multiply(long x, long y, CelOptions celOptions)
static com.google.common.primitives.UnsignedLong	uint64Multiply(com.google.common.primitives.UnsignedLong x, com.google.common.primitives.UnsignedLong y)
static long	uint64Subtract(long x, long y, CelOptions celOptions)
static com.google.common.primitives.UnsignedLong	uint64Subtract(com.google.common.primitives.UnsignedLong x, com.google.common.primitives.UnsignedLong y)

Methods inherited from class java.lang.Object

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

Field Detail

INT32_TO_INT64

public static final Converter<java.lang.Integer,java.lang.Long> INT32_TO_INT64

UINT32_TO_UINT64

public static final Converter<java.lang.Integer,java.lang.Long> UINT32_TO_UINT64

FLOAT_TO_DOUBLE

public static final Converter<java.lang.Float,java.lang.Double> FLOAT_TO_DOUBLE

INT64_TO_INT32

public static final Converter<java.lang.Long,java.lang.Integer> INT64_TO_INT32

DOUBLE_TO_FLOAT

public static final Converter<java.lang.Double,java.lang.Float> DOUBLE_TO_FLOAT

Method Detail

createDurationFromString

public static Duration createDurationFromString(java.lang.String d)

Convert a string to a Duration.

matches

public static boolean matches(java.lang.String string,
                              java.lang.String regexp)

Match a string against a regular expression.

matches

public static boolean matches(java.lang.String string,
                              java.lang.String regexp,
                              CelOptions celOptions)

compilePattern

public static com.google.re2j.Pattern compilePattern(java.lang.String regexp)

Create a compiled pattern for the given regular expression.

concat

public static <E> java.util.List<E> concat(java.util.List<E> first,
                                           java.util.List<E> second)

Concatenates two lists into a new list.

indexList

public static <A> A indexList(java.util.List<A> list,
                              java.lang.Number index)

Bound-checked indexing of lists.

int64Add

public static long int64Add(long x,
                            long y,
                            CelOptions celOptions)

int64Divide

public static long int64Divide(long x,
                               long y,
                               CelOptions celOptions)

int64Multiply

public static long int64Multiply(long x,
                                 long y,
                                 CelOptions celOptions)

int64Negate

public static long int64Negate(long x,
                               CelOptions celOptions)

int64Subtract

public static long int64Subtract(long x,
                                 long y,
                                 CelOptions celOptions)

uint64Add

public static long uint64Add(long x,
                             long y,
                             CelOptions celOptions)

uint64Add

public static com.google.common.primitives.UnsignedLong uint64Add(com.google.common.primitives.UnsignedLong x,
                                                                  com.google.common.primitives.UnsignedLong y)

uint64CompareTo

public static int uint64CompareTo(long x,
                                  long y,
                                  CelOptions celOptions)

uint64CompareTo

public static int uint64CompareTo(long x,
                                  long y)

uint64CompareTo

public static int uint64CompareTo(com.google.common.primitives.UnsignedLong x,
                                  com.google.common.primitives.UnsignedLong y)

uint64Divide

public static long uint64Divide(long x,
                                long y,
                                CelOptions celOptions)

uint64Divide

public static long uint64Divide(long x,
                                long y)

uint64Divide

public static com.google.common.primitives.UnsignedLong uint64Divide(com.google.common.primitives.UnsignedLong x,
                                                                     com.google.common.primitives.UnsignedLong y)

uint64Mod

public static long uint64Mod(long x,
                             long y,
                             CelOptions celOptions)

uint64Mod

public static com.google.common.primitives.UnsignedLong uint64Mod(com.google.common.primitives.UnsignedLong x,
                                                                  com.google.common.primitives.UnsignedLong y)

uint64Mod

public static long uint64Mod(long x,
                             long y)

uint64Multiply

public static long uint64Multiply(long x,
                                  long y,
                                  CelOptions celOptions)

uint64Multiply

public static long uint64Multiply(long x,
                                  long y)

uint64Multiply

public static com.google.common.primitives.UnsignedLong uint64Multiply(com.google.common.primitives.UnsignedLong x,
                                                                       com.google.common.primitives.UnsignedLong y)

uint64Subtract

public static long uint64Subtract(long x,
                                  long y,
                                  CelOptions celOptions)

uint64Subtract

public static com.google.common.primitives.UnsignedLong uint64Subtract(com.google.common.primitives.UnsignedLong x,
                                                                       com.google.common.primitives.UnsignedLong y)

identity

public static <A> Converter<A,A> identity()

adaptValue

public static java.lang.Object adaptValue(DynamicProto dynamicProto,
                                          java.lang.Object value,
                                          CelOptions celOptions)

Adapts a plain old Java object into a CEL value.

maybeAdaptPrimitive

public static java.lang.Object maybeAdaptPrimitive(java.lang.Object value)

Adapts a Number value to its appropriate CEL type.

adaptProtoToValue

public static java.lang.Object adaptProtoToValue(DynamicProto dynamicProto,
                                                 MessageOrBuilder obj,
                                                 CelOptions celOptions)

Adapts a protobuf.Message to a plain old Java object.

Well-known protobuf types (wrappers, JSON types) are unwrapped to Java native object representations.

If the incoming obj is of type google.protobuf.Any the object is unpacked and the proto within is passed to the adaptProtoToValue method again to ensure the message contained within the Any is properly unwrapped if it is a well-known protobuf type.

doubleToUnsignedChecked

public static java.util.Optional<com.google.common.primitives.UnsignedLong> doubleToUnsignedChecked(double v)

doubleToLongChecked

public static java.util.Optional<java.lang.Long> doubleToLongChecked(double v)

doubleToLongLossless

public static java.util.Optional<java.lang.Long> doubleToLongLossless(java.lang.Number v)