querylogic.java

一个很好实用的工作流OSWORKFLOW开发例子.有着非常优秀的灵活性.

        case WorkflowQuery.FINISH_DATE:

            Date finishDate = (Date) value;

            for (Iterator iterator = steps.iterator(); iterator.hasNext();) {
                SimpleStep step = (SimpleStep) iterator.next();

                if (finishDate.equals(step.getFinishDate())) {
                    return true;
                }
            }

            return false;

        case WorkflowQuery.OWNER:

            String owner = (String) value;

            for (Iterator iterator = steps.iterator(); iterator.hasNext();) {
                SimpleStep step = (SimpleStep) iterator.next();

                if (TextUtils.noNull(step.getOwner()).equals(owner)) {
                    return true;
                }
            }

            return false;

        case WorkflowQuery.START_DATE:

            Date startDate = (Date) value;

            for (Iterator iterator = steps.iterator(); iterator.hasNext();) {
                SimpleStep step = (SimpleStep) iterator.next();

                if (startDate.equals(step.getStartDate())) {
                    return true;
                }
            }

            return false;

        case WorkflowQuery.STEP:

            int stepId = DataUtil.getInt((Integer) value);

            for (Iterator iterator = steps.iterator(); iterator.hasNext();) {
                SimpleStep step = (SimpleStep) iterator.next();

                if (stepId == step.getStepId()) {
                    return true;
                }
            }

            return false;

        case WorkflowQuery.STATUS:

            String status = (String) value;

            for (Iterator iterator = steps.iterator(); iterator.hasNext();) {
                SimpleStep step = (SimpleStep) iterator.next();

                if (TextUtils.noNull(step.getStatus()).equals(status)) {
                    return true;
                }
            }

            return false;
        }

        return false;
    }

    private boolean queryGreaterThan(Long entryId, int field, int type, Object value) throws StoreException {
        List steps;

        if (type == WorkflowQuery.CURRENT) {
            //steps = (List) currentStepsCache.get(entryId);
            steps = (List) _store.findCurrentSteps(entryId.longValue());
        } else {
            //steps = (List) historyStepsCache.get(entryId);
            steps = (List) _store.findHistorySteps(entryId.longValue());
        }

        switch (field) {
        case WorkflowQuery.ACTION:

            long actionId = DataUtil.getLong((Long) value);

            for (Iterator iterator = steps.iterator(); iterator.hasNext();) {
                SimpleStep step = (SimpleStep) iterator.next();

                if (step.getActionId() > actionId) {
                    return true;
                }
            }

            return false;

        case WorkflowQuery.CALLER:

            String caller = (String) value;

            for (Iterator iterator = steps.iterator(); iterator.hasNext();) {
                SimpleStep step = (SimpleStep) iterator.next();

                if (TextUtils.noNull(step.getCaller()).compareTo(caller) > 0) {
                    return true;
                }
            }

            return false;

        case WorkflowQuery.FINISH_DATE:

            Date finishDate = (Date) value;

            for (Iterator iterator = steps.iterator(); iterator.hasNext();) {
                SimpleStep step = (SimpleStep) iterator.next();

                if (step.getFinishDate().compareTo(finishDate) > 0) {
                    return true;
                }
            }

            return false;

        case WorkflowQuery.OWNER:

            String owner = (String) value;

            for (Iterator iterator = steps.iterator(); iterator.hasNext();) {
                SimpleStep step = (SimpleStep) iterator.next();

                if (TextUtils.noNull(step.getOwner()).compareTo(owner) > 0) {
                    return true;
                }
            }

            return false;

        case WorkflowQuery.START_DATE:

            Date startDate = (Date) value;

            for (Iterator iterator = steps.iterator(); iterator.hasNext();) {
                SimpleStep step = (SimpleStep) iterator.next();

                if (step.getStartDate().compareTo(startDate) > 0) {
                    return true;
                }
            }

            return false;

        case WorkflowQuery.STEP:

            int stepId = DataUtil.getInt((Integer) value);

            for (Iterator iterator = steps.iterator(); iterator.hasNext();) {
                SimpleStep step = (SimpleStep) iterator.next();

                if (step.getStepId() > stepId) {
                    return true;
                }
            }

            return false;

        case WorkflowQuery.STATUS:

            String status = (String) value;

            for (Iterator iterator = steps.iterator(); iterator.hasNext();) {
                SimpleStep step = (SimpleStep) iterator.next();

                if (TextUtils.noNull(step.getStatus()).compareTo(status) > 0) {
                    return true;
                }
            }

            return false;
        }

        return false;
    }

    private boolean queryLessThan(Long entryId, int field, int type, Object value) throws StoreException {
        List steps;

        if (type == WorkflowQuery.CURRENT) {
            //steps = (List) currentStepsCache.get(entryId);
            steps = (List) _store.findCurrentSteps(entryId.longValue());
        } else {
            //steps = (List) historyStepsCache.get(entryId);
            steps = (List) _store.findHistorySteps(entryId.longValue());
        }

        switch (field) {
        case WorkflowQuery.ACTION:

            long actionId = DataUtil.getLong((Long) value);

            for (Iterator iterator = steps.iterator(); iterator.hasNext();) {
                SimpleStep step = (SimpleStep) iterator.next();

                if (step.getActionId() < actionId) {
                    return true;
                }
            }

            return false;

        case WorkflowQuery.CALLER:

            String caller = (String) value;

            for (Iterator iterator = steps.iterator(); iterator.hasNext();) {
                SimpleStep step = (SimpleStep) iterator.next();

                if (TextUtils.noNull(step.getCaller()).compareTo(caller) < 0) {
                    return true;
                }
            }

            return false;

        case WorkflowQuery.FINISH_DATE:

            Date finishDate = (Date) value;

            for (Iterator iterator = steps.iterator(); iterator.hasNext();) {
                SimpleStep step = (SimpleStep) iterator.next();

                if (step.getFinishDate().compareTo(finishDate) < 0) {
                    return true;
                }
            }

            return false;

        case WorkflowQuery.OWNER:

            String owner = (String) value;

            for (Iterator iterator = steps.iterator(); iterator.hasNext();) {
                SimpleStep step = (SimpleStep) iterator.next();

                if (TextUtils.noNull(step.getOwner()).compareTo(owner) < 0) {
                    return true;
                }
            }

            return false;

        case WorkflowQuery.START_DATE:

            Date startDate = (Date) value;

            for (Iterator iterator = steps.iterator(); iterator.hasNext();) {
                SimpleStep step = (SimpleStep) iterator.next();

                if (step.getStartDate().compareTo(startDate) < 0) {
                    return true;
                }
            }

            return false;

        case WorkflowQuery.STEP:

            int stepId = DataUtil.getInt((Integer) value);

            for (Iterator iterator = steps.iterator(); iterator.hasNext();) {
                SimpleStep step = (SimpleStep) iterator.next();

                if (step.getStepId() < stepId) {
                    return true;
                }
            }

            return false;

        case WorkflowQuery.STATUS:

            String status = (String) value;

            for (Iterator iterator = steps.iterator(); iterator.hasNext();) {
                SimpleStep step = (SimpleStep) iterator.next();

                if (TextUtils.noNull(step.getStatus()).compareTo(status) < 0) {
                    return true;
                }
            }

            return false;
        }

        return false;
    }

    private boolean queryNotEquals(Long entryId, int field, int type, Object value) throws StoreException {
        List steps;

        if (type == WorkflowQuery.CURRENT) {
            //steps = (List) currentStepsCache.get(entryId);
            steps = (List) _store.findCurrentSteps(entryId.longValue());
        } else {
            //steps = (List) historyStepsCache.get(entryId);
            steps = (List) _store.findHistorySteps(entryId.longValue());
        }

        switch (field) {
        case WorkflowQuery.ACTION:

            long actionId = DataUtil.getLong((Long) value);

            for (Iterator iterator = steps.iterator(); iterator.hasNext();) {
                SimpleStep step = (SimpleStep) iterator.next();

                if (step.getActionId() != actionId) {
                    return true;
                }
            }

            return false;

        case WorkflowQuery.CALLER:

            String caller = (String) value;

            for (Iterator iterator = steps.iterator(); iterator.hasNext();) {
                SimpleStep step = (SimpleStep) iterator.next();

                if (!TextUtils.noNull(step.getCaller()).equals(caller)) {
                    return true;
                }
            }

            return false;

        case WorkflowQuery.FINISH_DATE:

            Date finishDate = (Date) value;

            for (Iterator iterator = steps.iterator(); iterator.hasNext();) {
                SimpleStep step = (SimpleStep) iterator.next();

                if (!finishDate.equals(step.getFinishDate())) {
                    return true;
                }
            }

            return false;

        case WorkflowQuery.OWNER:

            String owner = (String) value;

            for (Iterator iterator = steps.iterator(); iterator.hasNext();) {
                SimpleStep step = (SimpleStep) iterator.next();

                if (!TextUtils.noNull(step.getOwner()).equals(owner)) {
                    return true;
                }
            }

            return false;

        case WorkflowQuery.START_DATE:

            Date startDate = (Date) value;

            for (Iterator iterator = steps.iterator(); iterator.hasNext();) {
                SimpleStep step = (SimpleStep) iterator.next();

                if (!startDate.equals(step.getStartDate())) {
                    return true;
                }
            }

            return false;

        case WorkflowQuery.STEP:

            int stepId = DataUtil.getInt((Integer) value);

            for (Iterator iterator = steps.iterator(); iterator.hasNext();) {
                SimpleStep step = (SimpleStep) iterator.next();

                if (stepId != step.getStepId()) {
                    return true;
                }
            }

            return false;

        case WorkflowQuery.STATUS:

            String status = (String) value;

            for (Iterator iterator = steps.iterator(); iterator.hasNext();) {
                SimpleStep step = (SimpleStep) iterator.next();

                if (!TextUtils.noNull(step.getStatus()).equals(status)) {
                    return true;
                }
            }

            return false;
        }

        return false;
    }
}