com.netflix.iceberg.expressions

Class Expressions

java.lang.Object

com.netflix.iceberg.expressions.Expressions

public class Expressions
extends java.lang.Object

Factory methods for creating expressions.

Constructor Summary

Constructors

Constructor and Description
Expressions()

Method Summary

Modifier and Type	Method and Description
static False	alwaysFalse()
static True	alwaysTrue()
static Expression	and(Expression left, Expression right)
static <T> UnboundPredicate<T>	equal(java.lang.String name, T value)
static <T> UnboundPredicate<T>	greaterThan(java.lang.String name, T value)
static <T> UnboundPredicate<T>	greaterThanOrEqual(java.lang.String name, T value)
static <T> UnboundPredicate<T>	isNull(java.lang.String name)
static <T> UnboundPredicate<T>	lessThan(java.lang.String name, T value)
static <T> UnboundPredicate<T>	lessThanOrEqual(java.lang.String name, T value)
static Expression	not(Expression child)
static <T> UnboundPredicate<T>	notEqual(java.lang.String name, T value)
static <T> UnboundPredicate<T>	notNull(java.lang.String name)
static Expression	or(Expression left, Expression right)
static <T> UnboundPredicate<T>	predicate(Expression.Operation op, java.lang.String name)
static <T> UnboundPredicate<T>	predicate(Expression.Operation op, java.lang.String name, Literal<T> lit)
static <T> UnboundPredicate<T>	predicate(Expression.Operation op, java.lang.String name, T value)
static Expression	rewriteNot(Expression expr)

Methods inherited from class java.lang.Object

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

Constructor Detail

Expressions

public Expressions()

Method Detail

and

public static Expression and(Expression left,
                             Expression right)

or

public static Expression or(Expression left,
                            Expression right)

not

public static Expression not(Expression child)

isNull

public static <T> UnboundPredicate<T> isNull(java.lang.String name)

notNull

public static <T> UnboundPredicate<T> notNull(java.lang.String name)

lessThan

public static <T> UnboundPredicate<T> lessThan(java.lang.String name,
                                               T value)

lessThanOrEqual

public static <T> UnboundPredicate<T> lessThanOrEqual(java.lang.String name,
                                                      T value)

greaterThan

public static <T> UnboundPredicate<T> greaterThan(java.lang.String name,
                                                  T value)

greaterThanOrEqual

public static <T> UnboundPredicate<T> greaterThanOrEqual(java.lang.String name,
                                                         T value)

equal

public static <T> UnboundPredicate<T> equal(java.lang.String name,
                                            T value)

notEqual

public static <T> UnboundPredicate<T> notEqual(java.lang.String name,
                                               T value)

predicate

public static <T> UnboundPredicate<T> predicate(Expression.Operation op,
                                                java.lang.String name,
                                                T value)

predicate

public static <T> UnboundPredicate<T> predicate(Expression.Operation op,
                                                java.lang.String name,
                                                Literal<T> lit)

predicate

public static <T> UnboundPredicate<T> predicate(Expression.Operation op,
                                                java.lang.String name)

alwaysTrue

public static True alwaysTrue()

alwaysFalse

public static False alwaysFalse()

rewriteNot

public static Expression rewriteNot(Expression expr)