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java.lang.Object org.axonframework.common.annotation.AbstractMessageHandler org.axonframework.commandhandling.annotation.ConstructorCommandMessageHandler<T>
T
- the type of aggregate this handler handles commands forpublic final class ConstructorCommandMessageHandler<T extends AggregateRoot>
Command Handler that creates a new aggregate instance by invoking that aggregate's constructor.
Method Summary | ||
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static
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forConstructor(Constructor<T> constructor,
ParameterResolverFactory parameterResolverFactory)
Creates a ConstructorCommandMessageHandler for the given constructor . |
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getAnnotation(Class<A> annotationType)
Returns the member-level annotation of given annotationType , or null if no such
annotation is present. |
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T |
invoke(Object target,
Message message)
Invokes this handler for the given target instance, using the given message as
source object to provide parameter values. |
Methods inherited from class org.axonframework.common.annotation.AbstractMessageHandler |
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compareTo, equals, findResolvers, getParameterValueResolvers, getPayloadType, hashCode, matches |
Methods inherited from class java.lang.Object |
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clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait |
Method Detail |
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public static <T extends AggregateRoot> ConstructorCommandMessageHandler<T> forConstructor(Constructor<T> constructor, ParameterResolverFactory parameterResolverFactory)
constructor
.
T
- The type of Aggregate created by the constructorconstructor
- The constructor to wrap as a HandlerparameterResolverFactory
- The strategy for resolving parameter values of handler methods
UnsupportedHandlerException
- when the given constructor is not suitable as a Handlerpublic T invoke(Object target, Message message) throws InvocationTargetException, IllegalAccessException
AbstractMessageHandler
target
instance, using the given message
as
source object to provide parameter values.
invoke
in class AbstractMessageHandler
target
- The target instance to invoke the Handler on.message
- The message providing parameter values
InvocationTargetException
- when the handler throws a checked exception
IllegalAccessException
- if the SecurityManager refuses the handler invocationpublic <A extends Annotation> A getAnnotation(Class<A> annotationType)
AbstractMessageHandler
annotationType
, or null
if no such
annotation is present.
getAnnotation
in class AbstractMessageHandler
A
- The type of annotation to retrieveannotationType
- The type of annotation to retrieve
null
if no such annotation is present.
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