com.espertech.esper.common.internal.event.json.getter.provided

Class JsonGetterMapRuntimeKeyedProvided

java.lang.Object

com.espertech.esper.common.internal.event.json.getter.provided.JsonGetterMapRuntimeKeyedProvided

All Implemented Interfaces:

EventPropertyGetterMapped, EventPropertyGetterMappedSPI

public final class JsonGetterMapRuntimeKeyedProvided
extends Object
implements EventPropertyGetterMappedSPI

Property getter for Json underlying fields.

Constructor Summary

Constructors

Constructor and Description
JsonGetterMapRuntimeKeyedProvided(Field field)

Method Summary

Modifier and Type	Method and Description
CodegenExpression	eventBeanGetMappedCodegen(CodegenMethodScope codegenMethodScope, CodegenClassScope codegenClassScope, CodegenExpression beanExpression, CodegenExpression key)
Object	get(EventBean eventBean, String mapKey) Return the value for the property in the event object specified when the instance was obtained.

Methods inherited from class java.lang.Object

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

Constructor Detail

JsonGetterMapRuntimeKeyedProvided

public JsonGetterMapRuntimeKeyedProvided(Field field)

Method Detail

eventBeanGetMappedCodegen

public CodegenExpression eventBeanGetMappedCodegen(CodegenMethodScope codegenMethodScope,
                                                   CodegenClassScope codegenClassScope,
                                                   CodegenExpression beanExpression,
                                                   CodegenExpression key)

Specified by:

eventBeanGetMappedCodegen in interface EventPropertyGetterMappedSPI

get

public Object get(EventBean eventBean,
                  String mapKey)
           throws PropertyAccessException

Description copied from interface: EventPropertyGetterMapped

Return the value for the property in the event object specified when the instance was obtained. Useful for fast access to event properties. Throws a PropertyAccessException if the getter instance doesn't match the EventType it was obtained from, and to indicate other property access problems.

Specified by:

get in interface EventPropertyGetterMapped

Parameters:

eventBean - is the event to get the value of a property from

mapKey - the map key value

Returns:

value of property in event

Throws:

PropertyAccessException - to indicate that property access failed