Example usage for com.mongodb DBCursor next

Introduction

In this page you can find the example usage for com.mongodb DBCursor next.

Prototype

@Override
public DBObject next()

Source Link

Document

Returns the object the cursor is at and moves the cursor ahead by one.

Usage

From source file:com.effektif.mongo.MongoJobStore.java

License:Apache License

public Iterator<String> getWorkflowInstanceIdsToLockForJobs() {
    DBObject query = buildLockNextJobQuery().push(WORKFLOW_INSTANCE_ID).append("$exists", true).pop().get();
    // TODO use MongoQuery filterOrganization(query, JobFields.organizationId);
    DBObject retrieveFields = new BasicDBObject(WORKFLOW_INSTANCE_ID, true);
    DBCursor jobsDueHavingProcessInstance = jobsCollection.find("jobs-having-process-instance", query,
            retrieveFields);/*  w w  w .j  a  v a 2  s. c om*/
    List<String> processInstanceIds = new ArrayList<>();
    while (jobsDueHavingProcessInstance.hasNext()) {
        DBObject partialJob = jobsDueHavingProcessInstance.next();
        Object processInstanceId = partialJob.get(WORKFLOW_INSTANCE_ID);
        processInstanceIds.add(processInstanceId.toString());
    }
    return processInstanceIds.iterator();
}

From source file:com.effektif.mongo.MongoJobStore.java

License:Apache License

protected List<Job> findJobs(MongoCollection collection, JobQuery jobQuery) {
    List<Job> jobs = new ArrayList<Job>();
    BasicDBObject query = createDbQuery(jobQuery);
    DBCursor jobCursor = collection.find("find-jobs", query);
    while (jobCursor.hasNext()) {
        BasicDBObject dbJob = (BasicDBObject) jobCursor.next();
        Job job = readJob(dbJob);/* www  . ja  v  a 2s.  c o  m*/
        jobs.add(job);
    }
    return jobs;
}

From source file:com.effektif.mongo.MongoWorkflowInstanceStore.java

License:Apache License

public List<WorkflowInstanceImpl> findWorkflowInstances(BasicDBObject dbQuery) {
    DBCursor workflowInstanceCursor = workflowInstancesCollection.find("find-workflow-instance-impls", dbQuery);
    List<WorkflowInstanceImpl> workflowInstances = new ArrayList<>();
    while (workflowInstanceCursor.hasNext()) {
        BasicDBObject dbWorkflowInstance = (BasicDBObject) workflowInstanceCursor.next();
        WorkflowInstanceImpl workflowInstance = readWorkflowInstanceImpl(dbWorkflowInstance);
        workflowInstances.add(workflowInstance);
    }//from  w w  w . j  a v  a2s  .  c o m
    return workflowInstances;
}

From source file:com.effektif.mongo.MongoWorkflowInstanceStore.java

License:Apache License

public LinkedHashMap<WorkflowInstanceId, WorkflowInstanceImpl> findWorkflowInstanceMap(
        Collection<ObjectId> workflowInstanceIds) {
    LinkedHashMap<WorkflowInstanceId, WorkflowInstanceImpl> workflowInstanceMap = new LinkedHashMap<>();
    if (workflowInstanceIds != null && !workflowInstanceIds.isEmpty()) {
        Query query = new Query()._ids(workflowInstanceIds);
        DBCursor workflowInstanceCursor = workflowInstancesCollection.find("find-workflow-instance",
                query.get());//www . j a v  a2 s. com
        while (workflowInstanceCursor.hasNext()) {
            BasicDBObject dbWorkflowInstance = (BasicDBObject) workflowInstanceCursor.next();
            WorkflowInstanceImpl workflowInstance = readWorkflowInstanceImpl(dbWorkflowInstance);
            workflowInstanceMap.put(workflowInstance.getId(), workflowInstance);
        }
    }
    return workflowInstanceMap;
}

From source file:com.effektif.mongo.MongoWorkflowStore.java

License:Apache License

@Override
public List<ExecutableWorkflow> findWorkflows(WorkflowQuery query) {
    if (query == null) {
        query = new WorkflowQuery();
    }/*from  w w w  .j ava2 s.c o  m*/
    List<ExecutableWorkflow> workflows = new ArrayList<>();
    DBCursor cursor = createWorkflowDbCursor(query);
    while (cursor.hasNext()) {
        BasicDBObject dbWorkflow = (BasicDBObject) cursor.next();
        ExecutableWorkflow workflow = mongoToWorkflowApi(dbWorkflow, ExecutableWorkflow.class);
        workflows.add(workflow);
    }
    return workflows;
}

From source file:com.ejbmongoembeddedtomcat.service.MongoService.java

public List<Customer> readAllCustomer() {

    List<Customer> customers = new ArrayList<Customer>();
    DBCursor cursor = col.find();
    while (cursor.hasNext()) {
        DBObject doc = cursor.next();
        Customer cus = CustomerConverter.toCustomer(doc);
        customers.add(cus);/*w  w  w . j a v  a2 s.  c  o  m*/
    }
    return customers;
}

From source file:com.emuneee.camerasyncmanager.util.DatabaseUtil.java

License:Apache License

/**
 * Returns a camera with id//from  w  ww  . j a  v  a2s .c o m
 * @param id
 * @return
 */
public Camera getCamera(String id) {
    Camera camera = null;
    DB db = getDatabase();
    DBCursor cursor = null;

    try {
        DBCollection collection = db.getCollection("camera");
        BasicDBObject query = new BasicDBObject("_id", id);
        cursor = collection.find(query);

        if (cursor.hasNext()) {
            BasicDBObject dbObj = (BasicDBObject) cursor.next();
            camera = dbObjectToCamera(dbObj);
        }
    } catch (Exception e) {
        sLogger.error("Exception retrieving camera with id " + id);
        sLogger.error(e);
    } finally {
        HttpHelper.closeResources(new Object[] { cursor });
    }

    return camera;
}

From source file:com.espirit.moddev.examples.uxbridge.newsdrilldown.jpa.NewsHandler.java

License:Apache License

/**
 * loads a news by the document id//w  w  w  .  j  a v  a 2  s  .  c o  m
 *
 * @param id
 *            the id of the document
 * @param language
 *            language abbreviation like EN or DE
 * @return the document or null
 */
private DBObject getNewsById(Long id, String language) {
    BasicDBObject query = new BasicDBObject();
    query.put("fs_id", id);
    query.put("language", language);

    DBCursor cur = dbNews.find(query);

    if (cur.hasNext()) {
        return cur.next();
    }
    return null;
}

From source file:com.espirit.moddev.examples.uxbridge.newsdrilldown.jpa.NewsHandler.java

License:Apache License

/**
 * loads a category by the document id/* w w w . ja v  a 2  s .c om*/
 *
 * @param id
 *            the id of the document
 * @param language
 *            language abbreviation like EN or DE
 * @return the document or null
 */
private DBObject getCategoryById(Long id, String language) {
    BasicDBObject query = new BasicDBObject();
    query.put("fs_id", id);
    query.put("language", language);

    DBCursor cur = dbCategories.find(query);

    if (cur.hasNext()) {
        return cur.next();
    }
    return null;
}

From source file:com.espirit.moddev.examples.uxbridge.newsdrilldown.jpa.NewsHandler.java

License:Apache License

/**
 * loads a metacategory by the document id
 *
 * @param id/*from   ww  w. j a v a 2  s.  c o m*/
 *            the id of the document
 * @param language
 *            language abbreviation like EN or DE
 * @return the document or null
 */
private DBObject getMetaCategoryById(Long id, String language) {
    BasicDBObject query = new BasicDBObject();
    query.put("fs_id", id);
    query.put("language", language);

    DBCursor cur = dbMetaCategories.find(query);

    if (cur.hasNext()) {
        return cur.next();
    }
    return null;
}