Package org.immutables.value.processor.meta

Class JavaBeanAttributesCollector

java.lang.Object

org.immutables.value.processor.meta.JavaBeanAttributesCollector

final class JavaBeanAttributesCollector
extends java.lang.Object

Collects attributes by scanning for getters/setters/fields in a class definition.

Current logic is as follows:

1. Collect getters (no-arg, non-static, non-void methods). Infer attribute names using JavaBean spec.
2. Collect setters (single-arg, non-static, void methods). Infer attribute names using JavaBean spec.
3. Collect (non-static) fields including from parent classes. Add alternative field names using primitive heuristics like underscore '_' removal or first letter decapitalization.

Intersection between getter / setter and field names is final attribute set. Created ValueAttribute will point to field element. For now we don't allow "derived" attributes and require fields to be present.

It is important that attributes are serialized otherwise using criteria on non-marshalable attribute(s) doesn't make sense (we may provide attribute renaming strategies in future). For each getFoo method (without parameters) create attribute foo.

See Also:

AccessorAttributesCollector, JavaBeans spec

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private class	JavaBeanAttributesCollector.Fields	Collects and caches list of fields for current type
private class	JavaBeanAttributesCollector.Getters	Collects and caches list of getters for current type
private class	JavaBeanAttributesCollector.Setters

Field Summary

Fields

Modifier and Type	Field	Description
private JavaBeanAttributesCollector.Fields	fields
private JavaBeanAttributesCollector.Getters	getters
private Proto.Protoclass	protoclass
private JavaBeanAttributesCollector.Setters	setters
private Styles	styles
private ValueType	type

Constructor Summary

Constructors

Constructor	Description
JavaBeanAttributesCollector(Proto.Protoclass protoclass, ValueType type)

Method Summary

Modifier and Type	Method	Description
(package private) void	collect()
private javax.lang.model.element.TypeElement	getCachedTypeElement()
private static boolean	isJavaLangObject(javax.lang.model.element.Element element)	Checks if current element is Object.
private ValueAttribute	toAttribute(java.lang.String name, javax.lang.model.element.Element element)	Create attribute from JavaBean getter

Methods inherited from class java.lang.Object

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

Field Detail

type

private final ValueType type

protoclass

private final Proto.Protoclass protoclass

fields

private final JavaBeanAttributesCollector.Fields fields

getters

private final JavaBeanAttributesCollector.Getters getters

setters

private final JavaBeanAttributesCollector.Setters setters

styles

private final Styles styles

Constructor Detail

JavaBeanAttributesCollector

JavaBeanAttributesCollector(Proto.Protoclass protoclass,
                            ValueType type)

Method Detail

isJavaLangObject

private static boolean isJavaLangObject(javax.lang.model.element.Element element)

Checks if current element is Object. Usually no processing is necessary for top-level Object class.

getCachedTypeElement

private javax.lang.model.element.TypeElement getCachedTypeElement()

collect

void collect()

toAttribute

private ValueAttribute toAttribute(java.lang.String name,
                                   javax.lang.model.element.Element element)

Create attribute from JavaBean getter