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• TaskClientHandler.java

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org.drools.task.service.TaskClientHandler Maven / Gradle / Ivy

package org.drools.task.service;

import org.apache.mina.core.session.IoSession;
import org.drools.SystemEventListener;
import org.drools.eventmessaging.EventResponseHandler;
import org.drools.eventmessaging.Payload;
import org.drools.task.Content;
import org.drools.task.Task;
import org.drools.task.query.TaskSummary;

import java.util.Arrays;
import java.util.List;

public class TaskClientHandler extends BaseMinaHandler {
    private MinaTaskClient client;

    /**
     * Listener used for logging
     */
    private SystemEventListener systemEventListener;

    public TaskClientHandler(SystemEventListener systemEventListener) {
        this.systemEventListener = systemEventListener;
    }

    public MinaTaskClient getClient() {
        return client;
    }

    public void setClient(MinaTaskClient client) {
        this.client = client;
    }

    @Override
    public void exceptionCaught(IoSession session,
                                Throwable cause) throws Exception {
        systemEventListener.exception("Uncaught exception on client", cause);
    }

    @Override
    public void messageReceived(IoSession session,
                                Object message) throws Exception {
        Command cmd = (Command) message;

        systemEventListener.debug("Message receieved on client : " + cmd.getName());
        systemEventListener.debug("Arguments : " + Arrays.toString(cmd.getArguments().toArray()));

        switch (cmd.getName()) {
            case OperationResponse: {
                TaskOperationResponseHandler responseHandler = (TaskOperationResponseHandler) responseHandlers.remove(cmd.getId());
                if (responseHandler != null) {
                    if (!cmd.getArguments().isEmpty() && cmd.getArguments().get(0) instanceof RuntimeException) {
                        responseHandler.setError((RuntimeException) cmd.getArguments().get(0));
                    } else {
                        responseHandler.setIsDone(true);
                    }
                }
                break;
            }
            case GetTaskResponse: {
                Task task = (Task) cmd.getArguments().get(0);
                GetTaskResponseHandler responseHandler = (GetTaskResponseHandler) responseHandlers.remove(cmd.getId());
                if (responseHandler != null) {                    
                    if (!cmd.getArguments().isEmpty() && cmd.getArguments().get(0) instanceof RuntimeException) {
                        responseHandler.setError((RuntimeException) cmd.getArguments().get(0));
                    } else {
                        responseHandler.execute(task);
                    }
                }
                break;
            }
            case AddTaskResponse: {
                long taskId = (Long) cmd.getArguments().get(0);
                AddTaskResponseHandler responseHandler = (AddTaskResponseHandler) responseHandlers.remove(cmd.getId());
                if (responseHandler != null) {
                    if (!cmd.getArguments().isEmpty() && cmd.getArguments().get(0) instanceof RuntimeException) {
                        responseHandler.setError((RuntimeException) cmd.getArguments().get(0));
                    } else {
                        responseHandler.execute(taskId);
                    }
                }
                break;
            }
            case AddCommentResponse: {
                long commentId = (Long) cmd.getArguments().get(0);
                AddCommentResponseHandler responseHandler = (AddCommentResponseHandler) responseHandlers.remove(cmd.getId());
                if (responseHandler != null) {
                    if (!cmd.getArguments().isEmpty() && cmd.getArguments().get(0) instanceof RuntimeException) {
                        responseHandler.setError((RuntimeException) cmd.getArguments().get(0));
                    } else {
                        responseHandler.execute(commentId);
                    }
                }
                break;
            }
            case DeleteCommentResponse: {
                DeleteCommentResponseHandler responseHandler = (DeleteCommentResponseHandler) responseHandlers.remove(cmd.getId());
                if (responseHandler != null) {
                    if (!cmd.getArguments().isEmpty() && cmd.getArguments().get(0) instanceof RuntimeException) {
                        responseHandler.setError((RuntimeException) cmd.getArguments().get(0));
                    } else {
                        responseHandler.setIsDone(true);
                    }
                }
                break;
            }
            case AddAttachmentResponse: {
                long attachmentId = (Long) cmd.getArguments().get(0);
                long contentId = (Long) cmd.getArguments().get(1);
                AddAttachmentResponseHandler responseHandler = (AddAttachmentResponseHandler) responseHandlers.remove(cmd.getId());
                if (responseHandler != null) {
                    if (!cmd.getArguments().isEmpty() && cmd.getArguments().get(0) instanceof RuntimeException) {
                        responseHandler.setError((RuntimeException) cmd.getArguments().get(0));
                    } else {
                        responseHandler.execute(attachmentId,
                                contentId);
                    }
                }
                break;
            }
            case DeleteAttachmentResponse: {
                DeleteAttachmentResponseHandler responseHandler = (DeleteAttachmentResponseHandler) responseHandlers.remove(cmd.getId());
                if (responseHandler != null) {
                    if (!cmd.getArguments().isEmpty() && cmd.getArguments().get(0) instanceof RuntimeException) {
                        responseHandler.setError((RuntimeException) cmd.getArguments().get(0));
                    } else {
                        responseHandler.setIsDone(true);
                    }
                }
                break;
            }
            case GetContentResponse: {
                Content content = (Content) cmd.getArguments().get(0);
                GetContentResponseHandler responseHandler = (GetContentResponseHandler) responseHandlers.remove(cmd.getId());
                if (responseHandler != null) {
                    if (!cmd.getArguments().isEmpty() && cmd.getArguments().get(0) instanceof RuntimeException) {
                        responseHandler.setError((RuntimeException) cmd.getArguments().get(0));
                    } else {
                        responseHandler.execute(content);
                    }
                }
                break;
            }
            case SetDocumentContentResponse: {
                long contentId = (Long) cmd.getArguments().get(0);
                SetDocumentResponseHandler responseHandler = (SetDocumentResponseHandler) responseHandlers.remove(cmd.getId());
                if (responseHandler != null) {
                    if (!cmd.getArguments().isEmpty() && cmd.getArguments().get(0) instanceof RuntimeException) {
                        responseHandler.setError((RuntimeException) cmd.getArguments().get(0));
                    } else {
                        responseHandler.execute(contentId);
                    }
                }
                break;
            }
            case QueryTaskSummaryResponse: {
                List results = (List) cmd.getArguments().get(0);
                TaskSummaryResponseHandler responseHandler = (TaskSummaryResponseHandler) responseHandlers.remove(cmd.getId());
                if (responseHandler != null) {
                    if (!cmd.getArguments().isEmpty() && cmd.getArguments().get(0) instanceof RuntimeException) {
                        responseHandler.setError((RuntimeException) cmd.getArguments().get(0));
                    } else {
                        responseHandler.execute(results);
                    }
                }
                break;
            }
            case EventTriggerResponse: {
                Payload payload = (Payload) cmd.getArguments().get(0);
                EventResponseHandler responseHandler = (EventResponseHandler) responseHandlers.remove(cmd.getId());
                if (responseHandler != null) {
                    if (!cmd.getArguments().isEmpty() && cmd.getArguments().get(0) instanceof RuntimeException) {
                        responseHandler.setError((RuntimeException) cmd.getArguments().get(0));
                    } else {
                        responseHandler.execute(payload);
                    }
                }
                break;
            }
        }
    }

    public static interface GetTaskResponseHandler
            extends
            ResponseHandler {
        public void execute(Task task);
    }

    public static interface AddTaskResponseHandler
            extends
            ResponseHandler {
        public void execute(long taskId);
    }

    public static interface TaskOperationResponseHandler
            extends
            ResponseHandler {
        public void setIsDone(boolean done);
    }

    public static interface AddCommentResponseHandler
            extends
            ResponseHandler {
        public void execute(long commentId);
    }

    public static interface DeleteCommentResponseHandler
            extends
            ResponseHandler {
        public void setIsDone(boolean done);
    }

    public static interface AddAttachmentResponseHandler
            extends
            ResponseHandler {
        public void execute(long attachmentId,
                            long contentId);
    }

    public static interface DeleteAttachmentResponseHandler
            extends
            ResponseHandler {
        public void setIsDone(boolean done);
    }

    public static interface SetDocumentResponseHandler
            extends
            ResponseHandler {
        public void execute(long contentId);
    }

    public static interface GetContentResponseHandler
            extends
            ResponseHandler {
        public void execute(Content content);
    }

    public static interface TaskSummaryResponseHandler
            extends
            ResponseHandler {
        public void execute(List results);
    }
}