net.lenni0451.reflect.stream.method

Class MethodStream

java.lang.Object

net.lenni0451.reflect.stream.method.MethodStream

public class MethodStream
extends java.lang.Object

A stream of all methods of a class and super classes (if wanted).
The methods of super classes are after the methods of the class itself (descending order).

Constructor Summary

Constructors

Constructor and Description
MethodStream(RStream parent, boolean withSuper)

Method Summary

Modifier and Type	Method and Description
MethodWrapper	by(java.lang.Class<?>... parameterTypes) Get a method by the given parameter types.
MethodWrapper	by(int index) Get a method by the given index.
MethodWrapper	by(java.lang.String name) Get a method by the given name.
MethodWrapper	by(java.lang.String name, java.lang.Class<?>... parameterTypes) Get a method by the given name and parameter types.
MethodStream	copy()
MethodStream	filter(boolean isStatic) Filter the methods by whether they are static.
MethodStream	filter(java.lang.Class<?>... parameterTypes) Filter the methods by the given parameter types.
MethodStream	filter(java.util.Collection<java.lang.String> names) Filter the methods by the given names.
MethodStream	filter(java.util.function.Predicate<MethodWrapper> filter) Filter the methods with the given filter.
MethodStream	filter(java.lang.String... names) Filter the methods by the given names.
MethodStream	filter(java.lang.String name) Filter the methods by the given name.
MethodStream	filterAnnotation(java.lang.Class<?> annotation) Filter the methods by whether they have the given annotation.
MethodStream	forEach(java.util.function.Consumer<MethodWrapper> consumer) Loop through all methods in this stream.
java.util.Iterator<MethodWrapper>	iterator()
java.util.stream.Stream<MethodWrapper>	jstream()
<T> java.util.stream.Stream<T>	map(java.util.function.Function<MethodWrapper,T> mapFunction) Map the methods to a new stream.
java.util.Optional<MethodWrapper>	opt(java.lang.Class<?>... parameterTypes) Get a method by the given parameter types.
java.util.Optional<MethodWrapper>	opt(int index) Get a method by the given index.
java.util.Optional<MethodWrapper>	opt(java.lang.String name) Get a method by the given name.
java.util.Optional<MethodWrapper>	opt(java.lang.String name, java.lang.Class<?>... parameterTypes) Get a method by the given name and parameter types.
RStream	parent()
int	size()

Methods inherited from class java.lang.Object

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

Constructor Detail

MethodStream

public MethodStream(RStream parent,
                    boolean withSuper)

Method Detail

parent

public RStream parent()

Returns:

The parent stream

size

public int size()

Returns:

The amount of methods in this stream

opt

public java.util.Optional<MethodWrapper> opt(java.lang.String name)

Get a method by the given name.
If there are multiple methods with the same name the first one will be returned.

Parameters:

name - The name of the method

Returns:

The method wrapper

opt

public java.util.Optional<MethodWrapper> opt(@Nullable
                                             java.lang.Class<?>... parameterTypes)

Get a method by the given parameter types.
If there are multiple methods with the same parameter types the first one will be returned.

Parameters:

parameterTypes - The parameter types of the method

Returns:

The method wrapper

opt

public java.util.Optional<MethodWrapper> opt(java.lang.String name,
                                             @Nullable
                                             java.lang.Class<?>... parameterTypes)

Get a method by the given name and parameter types.

Parameters:

name - The name of the method

parameterTypes - The parameter types of the method

Returns:

The method wrapper

opt

public java.util.Optional<MethodWrapper> opt(int index)

Get a method by the given index.
The index is the position of the method in the stream.

Parameters:

index - The index of the method

Returns:

The method wrapper

by

public MethodWrapper by(java.lang.String name)

Get a method by the given name.
If there are multiple methods with the same name the first one will be returned.

Parameters:

name - The name of the method

Returns:

The method wrapper

Throws:

MethodNotFoundException - If the method doesn't exist

by

public MethodWrapper by(@Nullable
                        java.lang.Class<?>... parameterTypes)

Get a method by the given parameter types.
If there are multiple methods with the same parameter types the first one will be returned.

Parameters:

parameterTypes - The parameter types of the method

Returns:

The method wrapper

Throws:

MethodNotFoundException - If the method doesn't exist

by

public MethodWrapper by(java.lang.String name,
                        @Nullable
                        java.lang.Class<?>... parameterTypes)

Get a method by the given name and parameter types.

Parameters:

name - The name of the method

parameterTypes - The parameter types of the method

Returns:

The method wrapper

Throws:

MethodNotFoundException - If the method doesn't exist

by

public MethodWrapper by(int index)

Get a method by the given index.
The index is the position of the method in the stream.

Parameters:

index - The index of the method

Returns:

The method wrapper

Throws:

MethodNotFoundException - If the method doesn't exist

filter

public MethodStream filter(java.util.function.Predicate<MethodWrapper> filter)

Filter the methods with the given filter.
The current stream will be modified.

Parameters:

filter - The filter

Returns:

This stream

filter

public MethodStream filter(java.lang.String name)

Filter the methods by the given name.
The current stream will be modified.

Parameters:

name - The name of the method

Returns:

This stream

filter

public MethodStream filter(java.util.Collection<java.lang.String> names)

Filter the methods by the given names.
The current stream will be modified.

Parameters:

names - The names of the methods

Returns:

This stream

filter

public MethodStream filter(java.lang.String... names)

Filter the methods by the given names.
The current stream will be modified.

Parameters:

names - The names of the methods

Returns:

This stream

filter

public MethodStream filter(@Nullable
                           java.lang.Class<?>... parameterTypes)

Filter the methods by the given parameter types.
The current stream will be modified.

Parameters:

parameterTypes - The parameter types of the method

Returns:

This stream

filter

public MethodStream filter(boolean isStatic)

Filter the methods by whether they are static.
The current stream will be modified.

Parameters:

isStatic - Whether the methods should be static

Returns:

This stream

filterAnnotation

public MethodStream filterAnnotation(java.lang.Class<?> annotation)

Filter the methods by whether they have the given annotation.
The current stream will be modified.

Parameters:

annotation - The annotation

Returns:

This stream

iterator

public java.util.Iterator<MethodWrapper> iterator()

Returns:

An iterator of method wrappers

map

public <T> java.util.stream.Stream<T> map(java.util.function.Function<MethodWrapper,T> mapFunction)

Map the methods to a new stream.
This is the same as calling jstream() and then Stream.map(Function).

Type Parameters:

T - The type of the new stream

Parameters:

mapFunction - The map function

Returns:

The new stream

jstream

public java.util.stream.Stream<MethodWrapper> jstream()

Returns:

A stream of method wrappers

forEach

public MethodStream forEach(java.util.function.Consumer<MethodWrapper> consumer)

Loop through all methods in this stream.

Parameters:

consumer - The consumer

Returns:

This stream

copy

public MethodStream copy()

Returns:

A copy of this stream