org.eclipse.xtext.util

Class PolymorphicDispatcher<RT>

java.lang.Object

org.eclipse.xtext.util.PolymorphicDispatcher<RT>

public class PolymorphicDispatcher<RT>
extends Object

Author:

Sven Efftinge - Initial contribution and API

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	PolymorphicDispatcher.DefaultErrorHandler<RT>
static interface	PolymorphicDispatcher.ErrorHandler<P>
protected class	PolymorphicDispatcher.MethodDesc
static class	PolymorphicDispatcher.MethodNameFilter
static class	PolymorphicDispatcher.NullErrorHandler<RT>
static class	PolymorphicDispatcher.Predicates
static class	PolymorphicDispatcher.WarningErrorHandler<RT>

Constructor Summary

Constructors

Constructor and Description
PolymorphicDispatcher(List<? extends Object> targets, com.google.common.base.Predicate<Method> methodFilter)
PolymorphicDispatcher(List<? extends Object> targets, com.google.common.base.Predicate<Method> methodFilter, PolymorphicDispatcher.ErrorHandler<RT> handler)
PolymorphicDispatcher(String methodName, int minParams, int maxParams, List<? extends Object> targets)
PolymorphicDispatcher(String methodName, int minParams, int maxParams, List<? extends Object> targets, PolymorphicDispatcher.ErrorHandler<RT> handler)
PolymorphicDispatcher(String methodName, List<? extends Object> targets)

Method Summary

Methods

Modifier and Type	Method and Description
protected int	compare(PolymorphicDispatcher.MethodDesc o1, PolymorphicDispatcher.MethodDesc o2)
static <T> PolymorphicDispatcher<T>	createForSingleTarget(com.google.common.base.Predicate<Method> methodFilter, Object singleTarget)
static <T> PolymorphicDispatcher<T>	createForSingleTarget(String methodName, int min, int max, Object singleTarget)
static <T> PolymorphicDispatcher<T>	createForSingleTarget(String methodName, Object singleTarget)
static <T> PolymorphicDispatcher<T>	createForVarTarget(String methodName, Object... targets)
protected PolymorphicDispatcher.MethodDesc	createMethodDesc(Object target, Method method)
protected Class<?>	getDefaultClass(int paramIndex)
protected RT	handleAmbigousMethods(List<PolymorphicDispatcher.MethodDesc> result, Object... params)
protected RT	handleNoSuchMethod(Object... params)
RT	invoke(Object... params)

Methods inherited from class java.lang.Object

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

Constructor Detail

PolymorphicDispatcher

public PolymorphicDispatcher(String methodName,
                     List<? extends Object> targets)

PolymorphicDispatcher

public PolymorphicDispatcher(String methodName,
                     int minParams,
                     int maxParams,
                     List<? extends Object> targets)

PolymorphicDispatcher

public PolymorphicDispatcher(String methodName,
                     int minParams,
                     int maxParams,
                     List<? extends Object> targets,
                     PolymorphicDispatcher.ErrorHandler<RT> handler)

PolymorphicDispatcher

public PolymorphicDispatcher(List<? extends Object> targets,
                     com.google.common.base.Predicate<Method> methodFilter)

PolymorphicDispatcher

public PolymorphicDispatcher(List<? extends Object> targets,
                     com.google.common.base.Predicate<Method> methodFilter,
                     PolymorphicDispatcher.ErrorHandler<RT> handler)

Method Detail

createForSingleTarget

public static <T> PolymorphicDispatcher<T> createForSingleTarget(String methodName,
                                                 Object singleTarget)

createForSingleTarget

public static <T> PolymorphicDispatcher<T> createForSingleTarget(String methodName,
                                                 int min,
                                                 int max,
                                                 Object singleTarget)

createForSingleTarget

public static <T> PolymorphicDispatcher<T> createForSingleTarget(com.google.common.base.Predicate<Method> methodFilter,
                                                 Object singleTarget)

createForVarTarget

public static <T> PolymorphicDispatcher<T> createForVarTarget(String methodName,
                                              Object... targets)

compare

protected int compare(PolymorphicDispatcher.MethodDesc o1,
          PolymorphicDispatcher.MethodDesc o2)

invoke

public RT invoke(Object... params)

handleNoSuchMethod

protected RT handleNoSuchMethod(Object... params)

handleAmbigousMethods

protected RT handleAmbigousMethods(List<PolymorphicDispatcher.MethodDesc> result,
                       Object... params)

getDefaultClass

protected Class<?> getDefaultClass(int paramIndex)

Returns:

Void.class

createMethodDesc

protected PolymorphicDispatcher.MethodDesc createMethodDesc(Object target,
                                                Method method)