Package org.smartparam.engine.core.matcher

Interface Matcher

All Known Implementing Classes:

AbstractMatcher, AbstractSetMatcher, BetweenMatcher, ContainsAllMatcher, ContainsAnyMatcher, ContainsNoneMatcher, InMatcher, LikeMatcher, NotInMatcher, RegexMatcher, StringMatcher, TypeMatcher

public interface Matcher

Matcher role is to check if provided value matches pattern. Each evaluation takes place in type context, so same matcher can handle values differently based on type.

Since:

1.0.0

Author:

Przemek Hertel

Method Summary

Modifier and Type	Method	Description
default boolean	isReverse()	Check if matcher is working in reverse state.
<T extends ValueHolder> boolean	matches(String value, String pattern, Type<T> type)	Check if value matches the pattern.
default void	setReverse(boolean reverse)	Sets matcher working state.

Method Details

isReverse

default boolean isReverse()

Check if matcher is working in reverse state. What that means is that matcher swaps

value

and

pattern

arguments in matches(String, String, Type) method

Returns:

true if matcher is working in reverse state

setReverse

default void setReverse(boolean reverse)

Sets matcher working state.

Parameters:

reverse - boolean telling whether matcher should work in reverse state.

See Also:

• isReverse()

matches

<T extends ValueHolder> boolean matches(String value,
 String pattern,
 Type<T> type)

Check if value matches the pattern. Type can be used to parse value or to differentiate matchers behavior depending on value type. Type is defined per parameter Level.

Type Parameters:

T - level type

Parameters:

value - value form query (provided by user)

pattern - pattern from parameter matrix (can be '*')

type - type of value, might be null if none was set

Returns:

true if value matched, false otherwise