private void addIndexedDateAttributes(Document document, ITask task) { addIndexedAttribute( document, DefaultTaskSchema.getInstance().DATE_COMPLETION, task.getCompletionDate()); addIndexedAttribute( document, DefaultTaskSchema.getInstance().DATE_CREATION, task.getCreationDate()); addIndexedAttribute(document, DefaultTaskSchema.getInstance().DATE_DUE, task.getDueDate()); addIndexedAttribute( document, DefaultTaskSchema.getInstance().DATE_MODIFICATION, task.getModificationDate()); }