ExecutionContextFactory.java

package brainslug.flow.context;

import brainslug.flow.execution.property.store.PropertyStore;
import brainslug.flow.execution.instance.FlowInstance;
import brainslug.flow.execution.instance.FlowInstanceProperties;

public class ExecutionContextFactory {
  private final PropertyStore propertyStore;
  private final Registry registry;

  public ExecutionContextFactory(PropertyStore propertyStore, Registry registry) {
    this.propertyStore = propertyStore;
    this.registry = registry;
  }

  public ExecutionContext createExecutionContext(FlowInstance flowInstance, TriggerContext trigger) {
    ExecutionContext executionContext = new BrainslugExecutionContext(flowInstance, trigger, registry);
    executionContext.setProperties(mergeProperties(trigger, executionContext));
    return executionContext;
  }

  protected FlowInstanceProperties mergeProperties(TriggerContext trigger, ExecutionContext executionContext) {
    FlowInstanceProperties properties = propertyStore
      .getProperties(executionContext.getInstance().getIdentifier());

    properties.withAll(trigger.getProperties());
    return properties;
  }
}