io.druid.math.expr

Class Parser

java.lang.Object

io.druid.math.expr.Parser

public class Parser
extends Object

Constructor Summary

Constructors

Constructor and Description
Parser()

Method Summary

Modifier and Type	Method and Description
static List<String>	findRequiredBindings(Expr expr)
static List<String>	findRequiredBindings(String in)
static Expr	flatten(Expr expr)
static io.druid.math.expr.Function	getFunction(String name)
static boolean	hasFunction(String name)
static Expr	parse(String in)
static Expr	parse(String in, boolean withFlatten)
static Expr.ObjectBinding	withMap(Map<String,?> bindings)
static Expr.ObjectBinding	withSuppliers(Map<String,com.google.common.base.Supplier<Number>> bindings)

Methods inherited from class java.lang.Object

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

Constructor Detail

Parser

public Parser()

Method Detail

getFunction

public static io.druid.math.expr.Function getFunction(String name)

hasFunction

public static boolean hasFunction(String name)

parse

public static Expr parse(String in)

parse

public static Expr parse(String in,
                         boolean withFlatten)

flatten

public static Expr flatten(Expr expr)

findRequiredBindings

public static List<String> findRequiredBindings(String in)

findRequiredBindings

public static List<String> findRequiredBindings(Expr expr)

withMap

public static Expr.ObjectBinding withMap(Map<String,?> bindings)

withSuppliers

public static Expr.ObjectBinding withSuppliers(Map<String,com.google.common.base.Supplier<Number>> bindings)