io.druid.math.expr

Class ExprEval<T>

java.lang.Object

io.druid.math.expr.ExprEval<T>

public abstract class ExprEval<T>
extends Object

Method Summary

Modifier and Type	Method and Description
abstract boolean	asBoolean()
abstract double	asDouble()
abstract int	asInt()
abstract long	asLong()
String	asString()
static ExprEval	bestEffortOf(Object val)
abstract ExprEval	castTo(ExprType castTo)
boolean	isNull()
Number	numericValue()
static ExprEval	of(boolean value, ExprType type)
static ExprEval	of(double doubleValue)
static ExprEval	of(long longValue)
static ExprEval	of(String stringValue)
static ExprEval	ofDouble(Number doubleValue)
static ExprEval	ofLong(Number longValue)
abstract Expr	toExpr()
abstract ExprType	type()
Object	value()

Methods inherited from class java.lang.Object

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

Method Detail

ofLong

public static ExprEval ofLong(Number longValue)

of

public static ExprEval of(long longValue)

ofDouble

public static ExprEval ofDouble(Number doubleValue)

of

public static ExprEval of(double doubleValue)

of

public static ExprEval of(String stringValue)

of

public static ExprEval of(boolean value,
                          ExprType type)

bestEffortOf

public static ExprEval bestEffortOf(Object val)

type

public abstract ExprType type()

value

public Object value()

isNull

public boolean isNull()

numericValue

public Number numericValue()

asInt

public abstract int asInt()

asLong

public abstract long asLong()

asDouble

public abstract double asDouble()

asString

public String asString()

asBoolean

public abstract boolean asBoolean()

castTo

public abstract ExprEval castTo(ExprType castTo)

toExpr

public abstract Expr toExpr()