Package com.apple.foundationdb.record.query.plan.temp.matchers

Class TypeWithPredicateMatcher<T extends RelationalExpressionWithPredicate>

java.lang.Object

com.apple.foundationdb.record.query.plan.temp.matchers.TypeMatcher<T>

com.apple.foundationdb.record.query.plan.temp.matchers.TypeWithPredicateMatcher<T>

Type Parameters:

T - the type of RelationalExpressionWithPredicate to match against

All Implemented Interfaces:

ExpressionMatcher<T>

public class TypeWithPredicateMatcher<T extends RelationalExpressionWithPredicate>
extends TypeMatcher<T>

Matches a subclass of RelationalExpressionWithPredicate with a given predicate (as determined by RelationalExpressionWithPredicate.getPredicate() and a given matcher against the children.

Nested Class Summary

Nested classes/interfaces inherited from interface com.apple.foundationdb.record.query.plan.temp.matchers.ExpressionMatcher

ExpressionMatcher.DefaultMatcher<T extends Bindable>

Method Summary

Modifier and Type	Method	Description
Stream<PlannerBindings>	matchWith(PlannerBindings outerBindings, RelationalExpression expression, List<? extends Bindable> children)	Attempt to match this matcher against the given ExpressionMatcher.
static <U extends RelationalExpressionWithPredicate> TypeWithPredicateMatcher<U>	ofPredicate(Class<? extends U> expressionClass, ExpressionMatcher<? extends QueryPredicate> predicateMatcher)
static <U extends RelationalExpressionWithPredicate> TypeWithPredicateMatcher<U>	ofPredicate(Class<? extends U> expressionClass, ExpressionMatcher<? extends QueryPredicate> predicateMatcher, ExpressionChildrenMatcher childrenMatcher)
static <U extends RelationalExpressionWithPredicate> TypeWithPredicateMatcher<U>	ofPredicate(Class<? extends U> expressionClass, ExpressionMatcher<? extends QueryPredicate> predicateMatcher, ExpressionMatcher<? extends Bindable>... children)

Methods inherited from class com.apple.foundationdb.record.query.plan.temp.matchers.TypeMatcher

getChildrenMatcher, getRootClass, matchWith, matchWith, matchWith, matchWith, matchWith, of, of, of

Methods inherited from class java.lang.Object

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

Method Detail

matchWith

@Nonnull
public Stream<PlannerBindings> matchWith(@Nonnull
                                         PlannerBindings outerBindings,
                                         @Nonnull
                                         RelationalExpression expression,
                                         @Nonnull
                                         List<? extends Bindable> children)

Description copied from interface: ExpressionMatcher

Attempt to match this matcher against the given ExpressionMatcher. Note that implementations of matchWith() should only attempt to match the given root with this planner expression.

Specified by:

matchWith in interface ExpressionMatcher<T extends RelationalExpressionWithPredicate>

Overrides:

matchWith in class TypeMatcher<T extends RelationalExpressionWithPredicate>

Parameters:

outerBindings - preexisting bindings to be used by the matcher

expression - a planner expression to match with

children - the conceptual children of expression

Returns:

a stream of PlannerBindings containing the matched bindings, or an empty stream is no match was found

ofPredicate

public static <U extends RelationalExpressionWithPredicate> TypeWithPredicateMatcher<U> ofPredicate(@Nonnull
                                                                                                    Class<? extends U> expressionClass,
                                                                                                    @Nonnull
                                                                                                    ExpressionMatcher<? extends QueryPredicate> predicateMatcher)

ofPredicate

@SafeVarargs
public static <U extends RelationalExpressionWithPredicate> TypeWithPredicateMatcher<U> ofPredicate(@Nonnull
                                                                                                    Class<? extends U> expressionClass,
                                                                                                    @Nonnull
                                                                                                    ExpressionMatcher<? extends QueryPredicate> predicateMatcher,
                                                                                                    @Nonnull
                                                                                                    ExpressionMatcher<? extends Bindable>... children)

ofPredicate

public static <U extends RelationalExpressionWithPredicate> TypeWithPredicateMatcher<U> ofPredicate(@Nonnull
                                                                                                    Class<? extends U> expressionClass,
                                                                                                    @Nonnull
                                                                                                    ExpressionMatcher<? extends QueryPredicate> predicateMatcher,
                                                                                                    @Nonnull
                                                                                                    ExpressionChildrenMatcher childrenMatcher)