Example usage for com.mongodb DBCollection find

List of usage examples for com.mongodb DBCollection find

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Introduction

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

Prototype

public DBCursor find(final DBObject query)

Source Link

Document

Select documents in collection and get a cursor to the selected documents.

Usage

From source file:com.images3.data.impl.MongoDBAccess.java

License:Apache License

protected PageCursor selectPageCursorById(String id) {
    DBCollection coll = getDatabase().getCollection("PageCursor");
    BasicDBObject criteria = new BasicDBObject().append("id", id);
    DBCursor cursor = coll.find(criteria);
    if (!cursor.hasNext()) {
        return null;
    }// w w  w.ja v  a 2 s . co m
    return getObjectMapper().mapToPageCursor((BasicDBObject) cursor.next());
}

From source file:com.images3.data.impl.MongoDBAccess.java

License:Apache License

private PageCursor selectPageCursorByPreviousId(String id) {
    DBCollection coll = getDatabase().getCollection("PageCursor");
    BasicDBObject criteria = new BasicDBObject().append("previousPageCursorId", id);
    DBCursor cursor = coll.find(criteria);
    if (!cursor.hasNext()) {
        return null;
    }//  w  w  w.  j  av a  2  s  . co m
    return getObjectMapper().mapToPageCursor((BasicDBObject) cursor.next());
}

From source file:com.images3.data.impl.TemplateAccessImplMongoDB.java

License:Apache License

public boolean isDuplicatedTemplateName(String imagePlantId, String name) {
    DBCollection coll = getDatabase().getCollection("Template");
    BasicDBObject criteria = new BasicDBObject().append("imagePlantId", imagePlantId).append("nameKey",
            name.toLowerCase());//from ww w.  j  av  a 2 s  . c  om
    DBCursor cursor = coll.find(criteria);
    return cursor.hasNext();
}

From source file:com.images3.data.impl.TemplateAccessImplMongoDB.java

License:Apache License

public TemplateOS selectTemplateById(TemplateIdentity id) {
    DBCollection coll = getDatabase().getCollection("Template");
    BasicDBObject criteria = new BasicDBObject().append("imagePlantId", id.getImagePlantId()).append("nameKey",
            id.getTemplateName().toLowerCase());
    DBCursor cursor = coll.find(criteria);
    if (!cursor.hasNext()) {
        return null;
    }/*from   www  . j a  va  2  s.co m*/
    return getObjectMapper().mapToTemplateOS((BasicDBObject) cursor.next());
}

From source file:com.images3.data.impl.TemplateAccessImplMongoDB.java

License:Apache License

private List<TemplateOS> getTemplatesByImagePlantId(String imagePlantId, Boolean isArchived, Page pageCursor) {
    DBCollection coll = getDatabase().getCollection("Template");
    int skipRecords = (pageCursor.getStart() - 1) * pageCursor.getSize();
    BasicDBObject criteria = new BasicDBObject().append("imagePlantId", imagePlantId);
    if (null != isArchived) {
        criteria.append("isArchived", isArchived);
    }/* ww w.  j  av  a  2 s.c  o m*/
    List<DBObject> objects = coll.find(criteria).skip(skipRecords).limit(pageCursor.getSize()).toArray();
    List<TemplateOS> templates = new ArrayList<TemplateOS>(objects.size());
    for (DBObject obj : objects) {
        templates.add(getObjectMapper().mapToTemplateOS((BasicDBObject) obj));
    }
    return templates;
}

From source file:com.images3.data.impl.TemplateAccessImplMongoDB.java

License:Apache License

private List<TemplateOS> getTemplatesByImagePlantId(String imagePlantId, Boolean isArchived) {
    DBCollection coll = getDatabase().getCollection("Template");
    BasicDBObject criteria = new BasicDBObject().append("imagePlantId", imagePlantId);
    if (null != isArchived) {
        criteria.append("isArchived", isArchived);
    }/*from  w w  w. j  a v  a  2  s.com*/
    List<DBObject> objects = coll.find(criteria).toArray();
    List<TemplateOS> templates = new ArrayList<TemplateOS>(objects.size());
    for (DBObject obj : objects) {
        templates.add(getObjectMapper().mapToTemplateOS((BasicDBObject) obj));
    }
    return templates;
}

From source file:com.impetus.client.mongodb.MongoDBClient.java

License:Apache License

@Override
public <E> List<E> getColumnsById(String schemaName, String joinTableName, String joinColumnName,
        String inverseJoinColumnName, Object parentId, Class columnJavaType) {
    List<E> foreignKeys = new ArrayList<E>();

    DBCollection dbCollection = mongoDb.getCollection(joinTableName);
    BasicDBObject query = new BasicDBObject();

    query.put(joinColumnName, MongoDBUtils.populateValue(parentId, parentId.getClass()));
    KunderaCoreUtils.printQuery("Find by Id:" + query, showQuery);
    DBCursor cursor = dbCollection.find(query);
    DBObject fetchedDocument = null;/*from w w  w.  ja  v  a 2 s .com*/

    while (cursor.hasNext()) {
        fetchedDocument = cursor.next();
        Object foreignKey = fetchedDocument.get(inverseJoinColumnName);
        foreignKey = MongoDBUtils.getTranslatedObject(foreignKey, foreignKey.getClass(), columnJavaType);
        foreignKeys.add((E) foreignKey);
    }
    return foreignKeys;
}

From source file:com.impetus.client.mongodb.MongoDBClient.java

License:Apache License

@Override
public Object[] findIdsByColumn(String schemaName, String tableName, String pKeyName, String columnName,
        Object columnValue, Class entityClazz) {
    EntityMetadata metadata = KunderaMetadataManager.getEntityMetadata(kunderaMetadata, entityClazz);

    List<Object> primaryKeys = new ArrayList<Object>();

    DBCollection dbCollection = mongoDb.getCollection(tableName);
    BasicDBObject query = new BasicDBObject();

    query.put(columnName, MongoDBUtils.populateValue(columnValue, columnValue.getClass()));

    DBCursor cursor = dbCollection.find(query);
    KunderaCoreUtils.printQuery("Find id by column:" + query, showQuery);
    DBObject fetchedDocument = null;/*from ww  w  .  jav a 2s.  com*/

    while (cursor.hasNext()) {
        fetchedDocument = cursor.next();
        Object primaryKey = fetchedDocument.get(pKeyName);
        primaryKey = MongoDBUtils.getTranslatedObject(primaryKey, primaryKey.getClass(),
                metadata.getIdAttribute().getJavaType());
        primaryKeys.add(primaryKey);
    }

    if (primaryKeys != null && !primaryKeys.isEmpty()) {
        return primaryKeys.toArray(new Object[0]);
    }
    return null;

}

From source file:com.impetus.client.mongodb.MongoDBClient.java

License:Apache License

@Override
public <E> List<E> findAll(Class<E> entityClass, String[] columnsToSelect, Object... keys) {
    EntityMetadata entityMetadata = KunderaMetadataManager.getEntityMetadata(kunderaMetadata, entityClass);

    log.debug("Fetching data from " + entityMetadata.getTableName() + " for Keys " + keys);

    DBCollection dbCollection = mongoDb.getCollection(entityMetadata.getTableName());

    BasicDBObject query = new BasicDBObject();

    query.put("_id", new BasicDBObject("$in", keys));

    DBCursor cursor = dbCollection.find(query);
    KunderaCoreUtils.printQuery("Find collection:" + query, showQuery);
    List entities = new ArrayList<E>();
    while (cursor.hasNext()) {
        DBObject fetchedDocument = cursor.next();

        populateEntity(entityMetadata, entities, fetchedDocument);
    }/* w w  w  . j a v a 2  s  . co  m*/
    return entities;
}

From source file:com.impetus.client.mongodb.MongoDBClient.java

License:Apache License

/**
 * Method to find entity for given association name and association value.
 * /*from   w w w.j a  v a  2 s  .  co m*/
 * @param colName
 *            the col name
 * @param colValue
 *            the col value
 * @param entityClazz
 *            the entity clazz
 * @return the list
 */
public List<Object> findByRelation(String colName, Object colValue, Class entityClazz) {
    EntityMetadata m = KunderaMetadataManager.getEntityMetadata(kunderaMetadata, entityClazz);
    // you got column name and column value.
    DBCollection dbCollection = mongoDb.getCollection(m.getTableName());

    BasicDBObject query = new BasicDBObject();

    query.put(colName, MongoDBUtils.populateValue(colValue, colValue.getClass()));
    KunderaCoreUtils.printQuery("Find by relation:" + query, showQuery);
    DBCursor cursor = dbCollection.find(query);
    DBObject fetchedDocument = null;
    List<Object> results = new ArrayList<Object>();
    while (cursor.hasNext()) {
        fetchedDocument = cursor.next();
        populateEntity(m, results, fetchedDocument);
    }

    return results.isEmpty() ? null : results;
}