Examples with SchemaVersionLifecycleStateTransition com.hortonworks.registries.schemaregistry.state.SchemaVersionLifecycleStateTransition used on opensource projects

Example 6 with SchemaVersionLifecycleStateTransition

use of com.hortonworks.registries.schemaregistry.state.SchemaVersionLifecycleStateTransition in project registry by hortonworks.

the class SchemaVersionLifecycleManager method executeState.

public void executeState(Long schemaVersionId, Byte targetState, byte[] transitionDetails) throws SchemaLifecycleException, SchemaNotFoundException {
    ImmutablePair<SchemaVersionLifecycleContext, SchemaVersionLifecycleState> schemaLifeCycleContextAndState = createSchemaVersionLifeCycleContextAndState(schemaVersionId);
    SchemaVersionLifecycleContext schemaVersionLifecycleContext = schemaLifeCycleContextAndState.getLeft();
    SchemaVersionLifecycleState currentState = schemaLifeCycleContextAndState.getRight();
    schemaVersionLifecycleContext.setState(currentState);
    schemaVersionLifecycleContext.setDetails(transitionDetails);
    SchemaVersionLifecycleStateTransition transition = new SchemaVersionLifecycleStateTransition(currentState.getId(), targetState);
    SchemaVersionLifecycleStateAction action = schemaVersionLifecycleContext.getSchemaLifeCycleStatesMachine().getTransitions().get(transition);
    try {
        List<SchemaVersionLifecycleStateTransitionListener> listeners = schemaVersionLifecycleContext.getSchemaLifeCycleStatesMachine().getListeners().getOrDefault(transition, DEFAULT_LISTENERS);
        listeners.stream().forEach(listener -> listener.preStateTransition(schemaVersionLifecycleContext));
        action.execute(schemaVersionLifecycleContext);
        listeners.stream().forEach(listener -> listener.postStateTransition(schemaVersionLifecycleContext));
    } catch (SchemaLifecycleException e) {
        Throwable cause = e.getCause();
        if (cause != null && cause instanceof SchemaNotFoundException) {
            throw (SchemaNotFoundException) cause;
        }
        throw e;
    }
}