Package io.axoniq.framework.workflow.runtime.association

Class MetadataPropertyValueRetriever

java.lang.Object

io.axoniq.framework.workflow.runtime.association.MetadataPropertyValueRetriever

All Implemented Interfaces:

ValueRetriever

public class MetadataPropertyValueRetriever
extends Object
implements ValueRetriever

Retrieves the value based on a metadata property.

Since:

5.4.0

Author:

Simon Zambrovski

Field Summary

Fields

Modifier and Type	Field	Description
static final String	QUALIFIER	Qualifier for the association schema.

Constructor Summary

Constructors

Constructor	Description
MetadataPropertyValueRetriever(String metadataPropertyName)	Constructs a new instance reading a specified metadata property.

Method Summary

Modifier and Type	Method	Description
Object	apply(EventMessage eventMessage, ProcessingContext processingContext)	Retrieves association value from the event message.
static ValueRetriever	metadataProperty(String metadataPropertyName)	Creates a value retriever based on the given metadata property.
String	path()	Returns the source-specific path used in the serialized association form.
String	qualifier()	Returns the qualifier used in the serialized association form.

Methods inherited from class java.lang.Object

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

Field Details

QUALIFIER

public static final String QUALIFIER

Qualifier for the association schema.

See Also:

• Constant Field Values

Constructor Details

MetadataPropertyValueRetriever

@Internal
public MetadataPropertyValueRetriever(String metadataPropertyName)

Constructs a new instance reading a specified metadata property.

Parameters:

metadataPropertyName - property to read from the message metadata.

Method Details

metadataProperty

public static ValueRetriever metadataProperty(String metadataPropertyName)

Creates a value retriever based on the given metadata property.

Parameters:

metadataPropertyName - property to read from the message metadata.

Returns:

value retriever.

apply

public Object apply(EventMessage eventMessage,
 ProcessingContext processingContext)

Description copied from interface: ValueRetriever

Retrieves association value from the event message.

Specified by:

apply in interface ValueRetriever

Parameters:

eventMessage - event message to retrieve value from

processingContext - processing context for retrieving addition resources

Returns:

retrieved value

qualifier

public String qualifier()

Description copied from interface: ValueRetriever

Returns the qualifier used in the serialized association form.

Specified by:

qualifier in interface ValueRetriever

Returns:

qualifier, for example payload or metadata

path

public String path()

Description copied from interface: ValueRetriever

Returns the source-specific path used in the serialized association form.

Specified by:

path in interface ValueRetriever

Returns:

source-specific path, such as a payload property or metadata key