org.apache.beam.sdk.schemas.utils

Class ReflectUtils

java.lang.Object

org.apache.beam.sdk.schemas.utils.ReflectUtils

@Internal
public class ReflectUtils
extends java.lang.Object

A set of reflection helper methods.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ReflectUtils.ClassWithSchema Represents a class and a schema.

Constructor Summary

Constructors

Constructor and Description
ReflectUtils()

Method Summary

Modifier and Type	Method and Description
static TypeDescriptor	boxIfPrimitive(TypeDescriptor typeDescriptor)
static @Nullable java.lang.reflect.Constructor	getAnnotatedConstructor(java.lang.Class clazz)
static @Nullable java.lang.reflect.Method	getAnnotatedCreateMethod(java.lang.Class clazz)
static java.util.List<java.lang.reflect.Field>	getFields(java.lang.Class<?> clazz)
static @Nullable TypeDescriptor	getIterableComponentType(TypeDescriptor valueType) For an array T[] or a subclass of Iterable, return a TypeDescriptor describing T.
static TypeDescriptor	getMapType(TypeDescriptor valueType, int index)
static java.util.List<java.lang.reflect.Method>	getMethods(java.lang.Class clazz) Returns the list of non private/protected, non-static methods in the class, caching the results.
static org.apache.beam.vendor.guava.v26_0_jre.com.google.common.collect.Multimap<java.lang.String,java.lang.reflect.Method>	getMethodsMap(java.lang.Class clazz)
static boolean	isGetter(java.lang.reflect.Method method)
static boolean	isSetter(java.lang.reflect.Method method)
static java.lang.String	stripGetterPrefix(java.lang.String method)
static java.lang.String	stripPrefix(java.lang.String methodName, java.lang.String prefix)
static java.lang.String	stripSetterPrefix(java.lang.String method)

Methods inherited from class java.lang.Object

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

Constructor Detail

ReflectUtils

public ReflectUtils()

Method Detail

getMethods

public static java.util.List<java.lang.reflect.Method> getMethods(java.lang.Class clazz)

Returns the list of non private/protected, non-static methods in the class, caching the results.

getMethodsMap

public static org.apache.beam.vendor.guava.v26_0_jre.com.google.common.collect.Multimap<java.lang.String,java.lang.reflect.Method> getMethodsMap(java.lang.Class clazz)

getAnnotatedConstructor

public static @Nullable java.lang.reflect.Constructor getAnnotatedConstructor(java.lang.Class clazz)

getAnnotatedCreateMethod

public static @Nullable java.lang.reflect.Method getAnnotatedCreateMethod(java.lang.Class clazz)

getFields

public static java.util.List<java.lang.reflect.Field> getFields(java.lang.Class<?> clazz)

isGetter

public static boolean isGetter(java.lang.reflect.Method method)

isSetter

public static boolean isSetter(java.lang.reflect.Method method)

stripPrefix

public static java.lang.String stripPrefix(java.lang.String methodName,
                                           java.lang.String prefix)

stripGetterPrefix

public static java.lang.String stripGetterPrefix(java.lang.String method)

stripSetterPrefix

public static java.lang.String stripSetterPrefix(java.lang.String method)

getIterableComponentType

public static @Nullable TypeDescriptor getIterableComponentType(TypeDescriptor valueType)

For an array T[] or a subclass of Iterable, return a TypeDescriptor describing T.

getMapType

public static TypeDescriptor getMapType(TypeDescriptor valueType,
                                        int index)

boxIfPrimitive

public static TypeDescriptor boxIfPrimitive(TypeDescriptor typeDescriptor)