com.espertech.esper.common.internal.event.bean.getter

Class DynamicMappedPropertyGetter

java.lang.Object

com.espertech.esper.common.internal.event.bean.getter.DynamicPropertyGetterBase

com.espertech.esper.common.internal.event.bean.getter.DynamicMappedPropertyGetter

All Implemented Interfaces:

EventPropertyGetter, EventPropertyValueGetter, BeanEventPropertyGetter, EventPropertyGetterSPI, EventPropertyValueGetterForge

public class DynamicMappedPropertyGetter
extends DynamicPropertyGetterBase

Getter for a dynamic mapped property (syntax field.mapped('key')?), using vanilla reflection.

Constructor Summary

Constructors

Constructor and Description
DynamicMappedPropertyGetter(String fieldName, String key, EventBeanTypedEventFactory eventBeanTypedEventFactory, BeanEventTypeFactory beanEventTypeFactory)

Method Summary

Modifier and Type	Method and Description
protected Object	call(DynamicPropertyDescriptor descriptor, Object underlying) Call the getter to obtains the return result object, or null if no such method exists.
protected CodegenExpression	callCodegen(CodegenExpressionRef desc, CodegenExpressionRef object, CodegenMethodScope parent, CodegenClassScope codegenClassScope)
Method	determineMethod(Class clazz) To be implemented to return the method required, or null to indicate an appropriate method could not be found.
protected CodegenExpression	determineMethodCodegen(CodegenExpressionRef clazz, CodegenMethodScope parent, CodegenClassScope codegenClassScope)
static Object	dynamicMappedPropertyGet(DynamicPropertyDescriptor descriptor, Object underlying, Object[] parameters) NOTE: Code-generation-invoked method, method name and parameter order matters
static Method	dynamicMapperPropertyDetermineMethod(Class clazz, String getterMethodName) NOTE: Code-generation-invoked method, method name and parameter order matters

Methods inherited from class com.espertech.esper.common.internal.event.bean.getter.DynamicPropertyGetterBase

cacheAndCall, cacheAndExists, dynamicPropertyCacheAdd, dynamicPropertyCacheCheck, eventBeanExistsCodegen, eventBeanFragmentCodegen, eventBeanGetCodegen, get, getBeanProp, getBeanPropType, getFragment, getTargetType, handleException, isBeanExistsProperty, isExistsProperty, underlyingExistsCodegen, underlyingFragmentCodegen, underlyingGetCodegen

Methods inherited from class java.lang.Object

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

Constructor Detail

DynamicMappedPropertyGetter

public DynamicMappedPropertyGetter(String fieldName,
                                   String key,
                                   EventBeanTypedEventFactory eventBeanTypedEventFactory,
                                   BeanEventTypeFactory beanEventTypeFactory)

Method Detail

determineMethod

public Method determineMethod(Class clazz)
                       throws PropertyAccessException

Description copied from class: DynamicPropertyGetterBase

To be implemented to return the method required, or null to indicate an appropriate method could not be found.

Specified by:

determineMethod in class DynamicPropertyGetterBase

Parameters:

clazz - to search for a matching method

Returns:

method if found, or null if no matching method exists

Throws:

PropertyAccessException

determineMethodCodegen

protected CodegenExpression determineMethodCodegen(CodegenExpressionRef clazz,
                                                   CodegenMethodScope parent,
                                                   CodegenClassScope codegenClassScope)

Specified by:

determineMethodCodegen in class DynamicPropertyGetterBase

call

protected Object call(DynamicPropertyDescriptor descriptor,
                      Object underlying)

Description copied from class: DynamicPropertyGetterBase

Call the getter to obtains the return result object, or null if no such method exists.

Specified by:

call in class DynamicPropertyGetterBase

Parameters:

descriptor - provides method information for the class

underlying - is the underlying object to ask for the property value

Returns:

underlying

callCodegen

protected CodegenExpression callCodegen(CodegenExpressionRef desc,
                                        CodegenExpressionRef object,
                                        CodegenMethodScope parent,
                                        CodegenClassScope codegenClassScope)

Specified by:

callCodegen in class DynamicPropertyGetterBase

dynamicMapperPropertyDetermineMethod

public static Method dynamicMapperPropertyDetermineMethod(Class clazz,
                                                          String getterMethodName)
                                                   throws PropertyAccessException

NOTE: Code-generation-invoked method, method name and parameter order matters

Parameters:

clazz - class

getterMethodName - method

Returns:

value

Throws:

PropertyAccessException - for access ex

dynamicMappedPropertyGet

public static Object dynamicMappedPropertyGet(DynamicPropertyDescriptor descriptor,
                                              Object underlying,
                                              Object[] parameters)

NOTE: Code-generation-invoked method, method name and parameter order matters

Parameters:

descriptor - descriptor

underlying - target

parameters - params

Returns:

value