Package org.apache.tinkerpop.gremlin.util.function

Interface Lambda

All Superinterfaces:

Serializable

All Known Implementing Classes:

Lambda.AbstractLambda, Lambda.BinaryLambda, Lambda.OneArgLambda, Lambda.TwoArgLambda, Lambda.UnaryLambda, Lambda.UnknownArgLambda, Lambda.ZeroArgLambda

public interface Lambda
extends Serializable

Provides a way to serialize string lambdas as scripts which can be evaluated by a GremlinScriptEngine.

Author:

Marko A. Rodriguez (http://markorodriguez.com), Stephen Mallette (http://stephen.genoprime.com)

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static class	Lambda.AbstractLambda
static class	Lambda.BinaryLambda<A>
static class	Lambda.OneArgLambda<A,B>
static class	Lambda.TwoArgLambda<A,B,C>
static class	Lambda.UnaryLambda<A>
static class	Lambda.UnknownArgLambda
static class	Lambda.ZeroArgLambda<A>

Field Summary

Fields

Modifier and Type	Field	Description
static final String	DEFAULT_LAMBDA_LANGUAGE

Method Summary

Modifier and Type	Method	Description
static <A, B, C> BiFunction<A,B,C>	biFunction(String lambdaSource)
static <A, B, C> BiFunction<A,B,C>	biFunction(String lambdaSource, String lambdaLanguage)
static <A> BinaryOperator<A>	binaryOperator(String lambdaSource)
static <A> Comparator<A>	comparator(String lambdaSource)
static <A> Comparator<A>	comparator(String lambdaSource, String lambdaLanguage)
static <A> Consumer<A>	consumer(String lambdaSource)
static <A> Consumer<A>	consumer(String lambdaSource, String lambdaLanguage)
static <A, B> Function<A,B>	function(String lambdaSource)
static <A, B> Function<A,B>	function(String lambdaSource, String lambdaLanguage)
int	getLambdaArguments()
String	getLambdaLanguage()
String	getLambdaScript()
static <A> Predicate<A>	predicate(String lambdaSource)
static <A> Predicate<A>	predicate(String lambdaSource, String lambdaLanguage)
static <A> Supplier<A>	supplier(String lambdaSource)
static <A> Supplier<A>	supplier(String lambdaSource, String lambdaLanguage)
static <A> UnaryOperator<A>	unaryOperator(String lambdaSource)
static <A> UnaryOperator<A>	unaryOperator(String lambdaSource, String lambdaLanguage)

Field Details

DEFAULT_LAMBDA_LANGUAGE

static final String DEFAULT_LAMBDA_LANGUAGE

See Also:

• Constant Field Values

Method Details

getLambdaScript

String getLambdaScript()

getLambdaLanguage

String getLambdaLanguage()

getLambdaArguments

int getLambdaArguments()

unaryOperator

static <A> UnaryOperator<A> unaryOperator(String lambdaSource,
 String lambdaLanguage)

function

static <A,
B> Function<A,B> function(String lambdaSource,
 String lambdaLanguage)

predicate

static <A> Predicate<A> predicate(String lambdaSource,
 String lambdaLanguage)

consumer

static <A> Consumer<A> consumer(String lambdaSource,
 String lambdaLanguage)

supplier

static <A> Supplier<A> supplier(String lambdaSource,
 String lambdaLanguage)

comparator

static <A> Comparator<A> comparator(String lambdaSource,
 String lambdaLanguage)

biFunction

static <A,
B,
C> BiFunction<A,B,C> biFunction(String lambdaSource,
 String lambdaLanguage)

unaryOperator

static <A> UnaryOperator<A> unaryOperator(String lambdaSource)

function

static <A,
B> Function<A,B> function(String lambdaSource)

predicate

static <A> Predicate<A> predicate(String lambdaSource)

consumer

static <A> Consumer<A> consumer(String lambdaSource)

supplier

static <A> Supplier<A> supplier(String lambdaSource)

comparator

static <A> Comparator<A> comparator(String lambdaSource)

biFunction

static <A,
B,
C> BiFunction<A,B,C> biFunction(String lambdaSource)

binaryOperator

static <A> BinaryOperator<A> binaryOperator(String lambdaSource)