io.prestosql.sql.planner.plan

Class Assignments

java.lang.Object

io.prestosql.sql.planner.plan.Assignments

public class Assignments
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Assignments.Builder

Constructor Summary

Constructors

Constructor and Description
Assignments(Map<Symbol,Expression> assignments)

Method Summary

Modifier and Type	Method and Description
static Assignments.Builder	builder()
static Assignments	copyOf(Map<Symbol,Expression> assignments)
Set<Map.Entry<Symbol,Expression>>	entrySet()
boolean	equals(Object o)
Assignments	filter(Collection<Symbol> symbols)
Assignments	filter(com.google.common.base.Predicate<Symbol> predicate)
void	forEach(BiConsumer<Symbol,Expression> consumer)
Expression	get(Symbol symbol)
Collection<Expression>	getExpressions()
Map<Symbol,Expression>	getMap()
List<Symbol>	getOutputs()
Set<Symbol>	getSymbols()
int	hashCode()
static Assignments	identity(Iterable<Symbol> symbols)
static Assignments	identity(Symbol... symbols)
boolean	isEmpty()
boolean	isIdentity(Symbol output)
static Assignments	of()
static Assignments	of(Symbol symbol, Expression expression)
static Assignments	of(Symbol symbol1, Expression expression1, Symbol symbol2, Expression expression2)
<C> Assignments	rewrite(ExpressionRewriter<C> rewriter)
Assignments	rewrite(Function<Expression,Expression> rewrite)
int	size()

Methods inherited from class java.lang.Object

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

Constructor Detail

Assignments

public Assignments(Map<Symbol,Expression> assignments)

Method Detail

builder

public static Assignments.Builder builder()

identity

public static Assignments identity(Symbol... symbols)

identity

public static Assignments identity(Iterable<Symbol> symbols)

copyOf

public static Assignments copyOf(Map<Symbol,Expression> assignments)

of

public static Assignments of()

of

public static Assignments of(Symbol symbol,
                             Expression expression)

of

public static Assignments of(Symbol symbol1,
                             Expression expression1,
                             Symbol symbol2,
                             Expression expression2)

getOutputs

public List<Symbol> getOutputs()

getMap

public Map<Symbol,Expression> getMap()

rewrite

public <C> Assignments rewrite(ExpressionRewriter<C> rewriter)

rewrite

public Assignments rewrite(Function<Expression,Expression> rewrite)

filter

public Assignments filter(Collection<Symbol> symbols)

filter

public Assignments filter(com.google.common.base.Predicate<Symbol> predicate)

isIdentity

public boolean isIdentity(Symbol output)

getExpressions

public Collection<Expression> getExpressions()

getSymbols

public Set<Symbol> getSymbols()

entrySet

public Set<Map.Entry<Symbol,Expression>> entrySet()

get

public Expression get(Symbol symbol)

size

public int size()

isEmpty

public boolean isEmpty()

forEach

public void forEach(BiConsumer<Symbol,Expression> consumer)

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object