net.lenni0451.reflect.stream.method

Class MethodWrapper

java.lang.Object

net.lenni0451.reflect.stream.method.MethodWrapper

public class MethodWrapper
extends java.lang.Object

A wrapper of the Method class for easy access to all required methods.

Constructor Summary

Constructors

Constructor and Description
MethodWrapper(MethodStream parent, java.lang.reflect.Method method)

Method Summary

Modifier and Type	Method and Description
java.util.stream.Stream<java.lang.annotation.Annotation>	annotations()
boolean	equals(java.lang.Object obj)
int	hashCode()
<T> T	invoke() Invoke the method without any arguments.
<T> T	invokeArgs(java.lang.Object... args) Invoke the method with the given arguments.
<T> T	invokeInstance(java.lang.Object instance, java.lang.Object... args) Invoke the method of the given instance with the given arguments.
ModifierWrapper	modifier()
java.lang.String	name()
java.lang.Class<?>	owner()
int	parameterCount()
java.lang.Class<?>[]	parameterTypes()
MethodStream	parent()
java.lang.reflect.Method	raw()
java.lang.Class<?>	returnType()
RStream	stream() Invoke the method without any arguments and wrap it in a new RStream.
RStream	stream(java.lang.Class<?> clazz) Invoke the method without any arguments and wrap it in a new RStream.
RStream	streamArgs(java.lang.Class<?> clazz, java.lang.Object... args) Invoke the method with the given arguments and wrap it in a new RStream.
RStream	streamArgs(java.lang.Object... args) Invoke the method with the given arguments and wrap it in a new RStream.
RStream	streamInstance(java.lang.Class<?> clazz, java.lang.Object instance, java.lang.Object... args) Invoke the method of the given instance with the given arguments and wrap it in a new RStream.
RStream	streamInstance(java.lang.Object instance, java.lang.Object... args) Invoke the method of the given instance with the given arguments and wrap it in a new RStream.
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

MethodWrapper

public MethodWrapper(MethodStream parent,
                     java.lang.reflect.Method method)

Method Detail

parent

public MethodStream parent()

Returns:

The parent method stream

raw

public java.lang.reflect.Method raw()

Returns:

The underlying method

name

public java.lang.String name()

Returns:

The name of the method

returnType

public java.lang.Class<?> returnType()

Returns:

The return type of the method

parameterTypes

public java.lang.Class<?>[] parameterTypes()

Returns:

The parameter types of the method

parameterCount

public int parameterCount()

Returns:

The amount of parameters of the method

owner

public java.lang.Class<?> owner()

Returns:

The owner (declaring) class of the method

modifier

public ModifierWrapper modifier()

Returns:

The ModifierWrapper of the method

annotations

public java.util.stream.Stream<java.lang.annotation.Annotation> annotations()

Returns:

A stream of all annotations of the method

invoke

public <T> T invoke()

Invoke the method without any arguments.
The cached instance of the owner will be used if required.

Type Parameters:

T - The type of the result

Returns:

The result of the invocation or null if the method is void

Throws:

java.lang.IllegalStateException - If the method is not static and no instance is cached

stream

public RStream stream()

Invoke the method without any arguments and wrap it in a new RStream.
The cached instance of the owner will be used if required.

Returns:

The result of the invocation or null if the method is void

Throws:

java.lang.IllegalStateException - If the method is not static and no instance is cached

stream

public RStream stream(java.lang.Class<?> clazz)

Invoke the method without any arguments and wrap it in a new RStream.
The cached instance of the owner will be used if required.

Parameters:

clazz - The class used for the stream

Returns:

The result of the invocation or null if the method is void

Throws:

java.lang.IllegalStateException - If the method is not static and no instance is cached

invokeArgs

public <T> T invokeArgs(java.lang.Object... args)

Invoke the method with the given arguments.
The cached instance of the owner will be used if required.

Type Parameters:

T - The type of the result

Parameters:

args - The arguments to pass to the method

Returns:

The result of the invocation or null if the method is void

Throws:

java.lang.IllegalStateException - If the method is not static and no instance is cached

streamArgs

public RStream streamArgs(java.lang.Object... args)

Invoke the method with the given arguments and wrap it in a new RStream.
The cached instance of the owner will be used if required.

Parameters:

args - The arguments to pass to the method

Returns:

The result of the invocation or null if the method is void

Throws:

java.lang.IllegalStateException - If the method is not static and no instance is cached

streamArgs

public RStream streamArgs(java.lang.Class<?> clazz,
                          java.lang.Object... args)

Invoke the method with the given arguments and wrap it in a new RStream.
The cached instance of the owner will be used if required.

Parameters:

clazz - The class used for the stream

args - The arguments to pass to the method

Returns:

The result of the invocation or null if the method is void

Throws:

java.lang.IllegalStateException - If the method is not static and no instance is cached

invokeInstance

public <T> T invokeInstance(java.lang.Object instance,
                            java.lang.Object... args)

Invoke the method of the given instance with the given arguments.

Type Parameters:

T - The type of the result

Parameters:

instance - The instance to invoke the method on

args - The arguments to pass to the method

Returns:

The result of the invocation or null if the method is void

streamInstance

public RStream streamInstance(java.lang.Object instance,
                              java.lang.Object... args)

Invoke the method of the given instance with the given arguments and wrap it in a new RStream.

Parameters:

instance - The instance to invoke the method on

args - The arguments to pass to the method

Returns:

The result of the invocation or null if the method is void

streamInstance

public RStream streamInstance(java.lang.Class<?> clazz,
                              java.lang.Object instance,
                              java.lang.Object... args)

Invoke the method of the given instance with the given arguments and wrap it in a new RStream.

Parameters:

clazz - The class used for the stream

instance - The instance to invoke the method on

args - The arguments to pass to the method

Returns:

The result of the invocation or null if the method is void

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object