org.eclipse.xtext.util

Class PolymorphicDispatcher<RT>

java.lang.Object

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

public class PolymorphicDispatcher<RT>
extends java.lang.Object

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(java.util.List<? extends java.lang.Object> targets, com.google.common.base.Predicate<java.lang.reflect.Method> methodFilter)
PolymorphicDispatcher(java.util.List<? extends java.lang.Object> targets, com.google.common.base.Predicate<java.lang.reflect.Method> methodFilter, PolymorphicDispatcher.ErrorHandler<RT> handler)
PolymorphicDispatcher(java.lang.String methodName, int minParams, int maxParams, java.util.List<? extends java.lang.Object> targets)
PolymorphicDispatcher(java.lang.String methodName, int minParams, int maxParams, java.util.List<? extends java.lang.Object> targets, PolymorphicDispatcher.ErrorHandler<RT> handler)
PolymorphicDispatcher(java.lang.String methodName, java.util.List<? extends java.lang.Object> targets)

Method Summary

Modifier and Type	Method and Description
protected int	compare(PolymorphicDispatcher.MethodDesc o1, PolymorphicDispatcher.MethodDesc o2) returns > 0 when o1 is more specific than o2, returns == 0 when o1 and o2 are equal or unrelated, returns < 0 when o2 is more specific than o1,
static <T> PolymorphicDispatcher<T>	createForSingleTarget(com.google.common.base.Predicate<java.lang.reflect.Method> methodFilter, java.lang.Object singleTarget)
static <T> PolymorphicDispatcher<T>	createForSingleTarget(java.lang.String methodName, int min, int max, java.lang.Object singleTarget)
static <T> PolymorphicDispatcher<T>	createForSingleTarget(java.lang.String methodName, java.lang.Object singleTarget)
static <T> PolymorphicDispatcher<T>	createForVarTarget(java.lang.String methodName, java.lang.Object... targets)
protected PolymorphicDispatcher.MethodDesc	createMethodDesc(java.lang.Object target, java.lang.reflect.Method method)
protected java.lang.Class<?>	getDefaultClass(int paramIndex)
protected RT	handleAmbigousMethods(java.util.List<PolymorphicDispatcher.MethodDesc> result, java.lang.Object... params)
protected RT	handleNoSuchMethod(java.lang.Object... params)
RT	invoke(java.lang.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(java.lang.String methodName,
                             java.util.List<? extends java.lang.Object> targets)

PolymorphicDispatcher

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

PolymorphicDispatcher

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

PolymorphicDispatcher

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

PolymorphicDispatcher

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

Method Detail

createForSingleTarget

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

createForSingleTarget

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

createForSingleTarget

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

createForVarTarget

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

compare

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

returns > 0 when o1 is more specific than o2, returns == 0 when o1 and o2 are equal or unrelated, returns < 0 when o2 is more specific than o1,

invoke

public RT invoke(java.lang.Object... params)

handleNoSuchMethod

protected RT handleNoSuchMethod(java.lang.Object... params)

handleAmbigousMethods

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

getDefaultClass

protected java.lang.Class<?> getDefaultClass(int paramIndex)

Returns:

Void.class

createMethodDesc

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