org.odpi.openmetadata.commonservices.generichandlers.DataFlowConverter Maven / Gradle / Ivy
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/* SPDX-License-Identifier: Apache-2.0 */
/* Copyright Contributors to the ODPi Egeria project. */
package org.odpi.openmetadata.commonservices.generichandlers;
import org.odpi.openmetadata.frameworks.openmetadata.metadataelements.DataFlowElement;
import org.odpi.openmetadata.frameworks.openmetadata.properties.lineage.DataFlowProperties;
import org.odpi.openmetadata.frameworks.connectors.ffdc.PropertyServerException;
import org.odpi.openmetadata.repositoryservices.connectors.stores.metadatacollectionstore.properties.instances.EntityProxy;
import org.odpi.openmetadata.repositoryservices.connectors.stores.metadatacollectionstore.properties.instances.InstanceProperties;
import org.odpi.openmetadata.repositoryservices.connectors.stores.metadatacollectionstore.properties.instances.Relationship;
import org.odpi.openmetadata.repositoryservices.connectors.stores.metadatacollectionstore.properties.typedefs.TypeDefCategory;
import org.odpi.openmetadata.repositoryservices.connectors.stores.metadatacollectionstore.repositoryconnector.OMRSRepositoryHelper;
import java.lang.reflect.InvocationTargetException;
/**
* DataFlowConverter provides common methods for transferring relevant properties from an Open Metadata Repository Services (OMRS)
* Relationship object into a DataFlowElement bean.
*/
public class DataFlowConverter extends OMFConverter
{
/**
* Constructor
*
* @param repositoryHelper helper object to parse entity
* @param serviceName name of this component
* @param serverName local server name
*/
public DataFlowConverter(OMRSRepositoryHelper repositoryHelper,
String serviceName,
String serverName)
{
super(repositoryHelper, serviceName, serverName);
}
/**
* Using the supplied relationship, return a new instance of the bean. It is used for beans that
* represent a simple relationship between two entities.
*
* @param beanClass name of the class to create
* @param relationship relationship linking the entities
* @param methodName calling method
* @return bean populated with properties from the instances supplied
* @throws PropertyServerException there is a problem instantiating the bean
*/
@Override
public B getNewRelationshipBean(Class beanClass,
Relationship relationship,
String methodName) throws PropertyServerException
{
try
{
/*
* This is initial confirmation that the generic converter has been initialized with an appropriate bean class.
*/
B returnBean = beanClass.getDeclaredConstructor().newInstance();
if (returnBean instanceof DataFlowElement bean)
{
DataFlowProperties dataFlowProperties = new DataFlowProperties();
if (relationship != null)
{
bean.setDataFlowHeader(super.getMetadataElementHeader(beanClass, relationship, null, methodName));
EntityProxy entityProxy = relationship.getEntityOneProxy();
if (entityProxy != null)
{
bean.setDataSupplier(super.getMetadataElementHeader(beanClass, entityProxy, entityProxy.getClassifications(), methodName));
}
entityProxy = relationship.getEntityTwoProxy();
if (entityProxy != null)
{
bean.setDataConsumer(super.getMetadataElementHeader(beanClass, entityProxy, entityProxy.getClassifications(), methodName));
}
/*
* The rest of the properties come from the relationship.
*/
InstanceProperties instanceProperties = new InstanceProperties(relationship.getProperties());
dataFlowProperties.setQualifiedName(this.getQualifiedName(instanceProperties));
dataFlowProperties.setDescription(this.getDescription(instanceProperties));
dataFlowProperties.setFormula(this.getFormula(instanceProperties));
dataFlowProperties.setFormulaType(this.getFormulaType(instanceProperties));
bean.setDataFlowProperties(dataFlowProperties);
}
else
{
handleMissingMetadataInstance(beanClass.getName(), TypeDefCategory.RELATIONSHIP_DEF, methodName);
}
}
return returnBean;
}
catch (IllegalAccessException | InstantiationException | ClassCastException | NoSuchMethodException | InvocationTargetException error)
{
super.handleInvalidBeanClass(beanClass.getName(), error, methodName);
}
return null;
}
}