Examples with ConcurrentEntityModificationException org.qi4j.api.unitofwork.ConcurrentEntityModificationException used on opensource projects

Example 6 with ConcurrentEntityModificationException

use of org.qi4j.api.unitofwork.ConcurrentEntityModificationException in project qi4j-sdk by Qi4j.

the class LoggingServiceMixin method log.

public void log(LogType type, Composite composite, String category, String message) {
    UnitOfWork uow = uowf.newUnitOfWork();
    try {
        List<Serializable> paramsList = new ArrayList<Serializable>();
        createLogRecord(uow, type, composite, category, message, paramsList);
        uow.complete();
    } catch (ConcurrentEntityModificationException e) {
    // ignore for now. Perhaps discard() and try again.
    } catch (UnitOfWorkCompletionException e) {
    // ignore for now. Perhaps discard() and try again.
    }
}

Example 7 with ConcurrentEntityModificationException

use of org.qi4j.api.unitofwork.ConcurrentEntityModificationException in project qi4j-sdk by Qi4j.

the class LoggingServiceMixin method log.

public void log(LogType type, Composite composite, String category, String message, Serializable param1, Serializable param2) {
    UnitOfWork uow = uowf.newUnitOfWork();
    try {
        List<Serializable> paramsList = new ArrayList<Serializable>();
        paramsList.add(param1);
        paramsList.add(param2);
        createLogRecord(uow, type, composite, category, message, paramsList);
        uow.complete();
    } catch (ConcurrentEntityModificationException e) {
    // ignore for now. Perhaps discard() and try again.
    } catch (UnitOfWorkCompletionException e) {
    // ignore for now. Perhaps discard() and try again.
    }
}

Example 8 with ConcurrentEntityModificationException

use of org.qi4j.api.unitofwork.ConcurrentEntityModificationException in project qi4j-sdk by Qi4j.

the class DebuggingServiceMixin method debug.

@Override
public void debug(Composite composite, String message, Serializable... params) {
    UnitOfWork uow = uowf.newUnitOfWork();
    try {
        List<Serializable> paramsList = new ArrayList<Serializable>(Arrays.asList(params));
        createDebugRecord(uow, composite, message, paramsList);
        uow.complete();
    } catch (ConcurrentEntityModificationException e) {
    // ignore for now. Perhaps discard() and try again.
    } catch (UnitOfWorkCompletionException e) {
    // ignore for now. Perhaps discard() and try again.
    }
}

Example 9 with ConcurrentEntityModificationException

use of org.qi4j.api.unitofwork.ConcurrentEntityModificationException in project qi4j-sdk by Qi4j.

the class UnitOfWorkInstance method applyChanges.

private List<StateCommitter> applyChanges() throws UnitOfWorkCompletionException {
    List<StateCommitter> committers = new ArrayList<>();
    for (EntityStoreUnitOfWork entityStoreUnitOfWork : storeUnitOfWork.values()) {
        try {
            StateCommitter committer = entityStoreUnitOfWork.applyChanges();
            committers.add(committer);
        } catch (Exception e) {
            // Cancel all previously prepared stores
            for (StateCommitter committer : committers) {
                committer.cancel();
            }
            if (e instanceof ConcurrentEntityStateModificationException) {
                // If we cancelled due to concurrent modification, then create the proper exception for it!
                ConcurrentEntityStateModificationException mee = (ConcurrentEntityStateModificationException) e;
                Collection<EntityReference> modifiedEntityIdentities = mee.modifiedEntities();
                Collection<EntityComposite> modifiedEntities = new ArrayList<>();
                for (EntityReference modifiedEntityIdentity : modifiedEntityIdentities) {
                    Collection<EntityInstance> instances = instanceCache.values();
                    for (EntityInstance instance : instances) {
                        if (instance.identity().equals(modifiedEntityIdentity)) {
                            modifiedEntities.add(instance.<EntityComposite>proxy());
                        }
                    }
                }
                throw new ConcurrentEntityModificationException(modifiedEntities);
            } else {
                throw new UnitOfWorkCompletionException(e);
            }
        }
    }
    return committers;
}

Example 10 with ConcurrentEntityModificationException

use of org.qi4j.api.unitofwork.ConcurrentEntityModificationException in project qi4j-sdk by Qi4j.

the class DebuggingServiceMixin method debug.

@Override
public void debug(Composite composite, String message) {
    UnitOfWork uow = uowf.newUnitOfWork();
    try {
        List<Serializable> paramsList = new ArrayList<Serializable>();
        createDebugRecord(uow, composite, message, paramsList);
        uow.complete();
    } catch (ConcurrentEntityModificationException e) {
    // ignore for now. Perhaps discard() and try again.
    } catch (UnitOfWorkCompletionException e) {
    // ignore for now. Perhaps discard() and try again.
    }
}