public IAsyncOperation <StorageResult> find(string parameters)
{
return(AsyncInfo.Run((token) =>
Task.Run <StorageResult>(() =>
{
try {
// deserialize the parameters passed in as an array of strings
string[] paramStrings = JsonConvert.DeserializeObject <string[]>(parameters);
// the parameter first is the collection name
string collectionName = paramStrings[0];
// the second paramter is the queries to execute
JArray queries = JArray.Parse(paramStrings[1]);
// the third parameter is a JSON object of options, needs furthe prarsing into JSONStoreQueryOptions object
JSONStoreQueryOptions queryOptions = JsonConvert.DeserializeObject <JSONStoreQueryOptions>(paramStrings[2]);
// get the JSONStoreCollection to query
JSONStoreCollection collection = JSONStore.getCollectionWithName(collectionName);
if (collection == null)
{
return new StorageResult(Status.ERROR, JSONStoreConstants.JSON_STORE_DATABASE_NOT_OPEN);
}
else
{
// execute the queries
JArray results = collection.findWithQueries(queries, queryOptions);
return new StorageResult(Status.OK, results);
}
}
catch (JSONStoreException jsonException)
{
// catch a JSONStore specific exception and return the error code
return new StorageResult(Status.ERROR, jsonException.errorCode);
}
catch (Exception) {
return new StorageResult(Status.ERROR, JSONStoreConstants.JSON_STORE_PERSISTENT_STORE_FAILURE);
}
}, token)));
}
public IAsyncOperation <StorageResult> count(string parameters)
{
return(AsyncInfo.Run((token) =>
Task.Run <StorageResult>(() =>
{
try
{
// deserialize the parameters passed in as an array of strings
string[] paramStrings = JsonConvert.DeserializeObject <string[]>(parameters);
// the first is the collection name
string collectionName = paramStrings[0];
// the query
JObject query = JObject.Parse(paramStrings[1]);
// the third argument is a JSON object of options
JSONStoreQueryOptions queryOptions = JsonConvert.DeserializeObject <JSONStoreQueryOptions>(paramStrings[2]);
// get the JSONStoreCollection to query
JSONStoreCollection collection = JSONStore.getCollectionWithName(collectionName);
if (collection == null)
{
return new StorageResult(Status.ERROR, JSONStoreConstants.JSON_STORE_DATABASE_NOT_OPEN);
}
else
{
int countResult = collection.countDocuments(query, queryOptions.exact);
return new StorageResult(Status.OK, countResult);
}
}
catch (JSONStoreException jsonException)
{
// catch a JSONStore specific exception and return the error code
return new StorageResult(Status.ERROR, jsonException.errorCode);
}
catch (Exception)
{
return new StorageResult(Status.ERROR, JSONStoreConstants.JSON_STORE_PERSISTENT_STORE_FAILURE);
}
}, token)));
}
public IAsyncOperation <StorageResult> advancedFind(string parameters)
{
return(AsyncInfo.Run((token) =>
Task.Run <StorageResult>(() =>
{
try
{
// deserialize the parameters passed in as an array of strings
string[] paramStrings = JsonConvert.DeserializeObject <string[]>(parameters);
// the parameter first is the collection name
string collectionName = paramStrings[0];
// the second paramter is the queries to execute
JArray inputQuery = JArray.Parse(paramStrings[1]);
// the third parameter is a JSON object of options, needs furthe prarsing into JSONStoreQueryOptions object
JSONStoreQueryOptions queryOptions = JsonConvert.DeserializeObject <JSONStoreQueryOptions>(paramStrings[2]);
// get the JSONStoreCollection to query
JSONStoreCollection collection = JSONStore.getCollectionWithName(collectionName);
if (collection == null)
{
return new StorageResult(Status.ERROR, JSONStoreConstants.JSON_STORE_DATABASE_NOT_OPEN);
}
else
{
// the individual query parts that we will pull out of the inputQuery
List <JSONStoreQuery> queryParts = new List <JSONStoreQuery>();
// loop through the query parts and store the values into a JSONStoreQuery object
foreach (JObject queryPart in inputQuery)
{
JSONStoreQuery query = new JSONStoreQuery();
foreach (JProperty part in queryPart.Children())
{
if (part.Value.Type == JTokenType.Array)
{
if (part.Name.IndexOf(JSONStoreConstants.JSON_STORE_QUERY_LIKE) >= 0)
{
query.like = (JArray)part.Value;
}
else if (part.Name.IndexOf(JSONStoreConstants.JSON_STORE_QUERY_NOT_LIKE) >= 0)
{
query.notLike = (JArray)part.Value;
}
else if (part.Name.IndexOf(JSONStoreConstants.JSON_STORE_QUERY_RIGHT_LIKE) >= 0)
{
query.rightLike = (JArray)part.Value;
}
else if (part.Name.IndexOf(JSONStoreConstants.JSON_STORE_QUERY_NOT_RIGHT_LIKE) >= 0)
{
query.notRightLike = (JArray)part.Value;
}
else if (part.Name.IndexOf(JSONStoreConstants.JSON_STORE_QUERY_LEFT_LIKE) >= 0)
{
query.leftLike = (JArray)part.Value;
}
else if (part.Name.IndexOf(JSONStoreConstants.JSON_STORE_QUERY_NOT_LEFT_LIKE) >= 0)
{
query.notLeftLike = (JArray)part.Value;
}
else if (part.Name.IndexOf(JSONStoreConstants.JSON_STORE_QUERY_LESSTHAN) >= 0)
{
query.lessThan = (JArray)part.Value;
}
else if (part.Name.IndexOf(JSONStoreConstants.JSON_STORE_QUERY_LESSTHANEQUALS) >= 0)
{
query.lessOrEqualThan = (JArray)part.Value;
}
else if (part.Name.IndexOf(JSONStoreConstants.JSON_STORE_QUERY_GREATERTHAN) >= 0)
{
query.greaterThan = (JArray)part.Value;
}
else if (part.Name.IndexOf(JSONStoreConstants.JSON_STORE_QUERY_GREATERTHANEQUALS) >= 0)
{
query.greaterOrEqualThan = (JArray)part.Value;
}
else if (part.Name.IndexOf(JSONStoreConstants.JSON_STORE_QUERY_EQUALS) >= 0)
{
query.equal = (JArray)part.Value;
}
else if (part.Name.IndexOf(JSONStoreConstants.JSON_STORE_QUERY_NOT_EQUALS) >= 0)
{
query.notEqual = (JArray)part.Value;
}
else if (part.Name.IndexOf(JSONStoreConstants.JSON_STORE_QUERY_INSIDE) >= 0)
{
query.inside = (JArray)part.Value;
}
else if (part.Name.IndexOf(JSONStoreConstants.JSON_STORE_QUERY_NOT_INSIDE) >= 0)
{
query.notInside = (JArray)part.Value;
}
else if (part.Name.IndexOf(JSONStoreConstants.JSON_STORE_QUERY_BETWEEN) >= 0)
{
query.between = (JArray)part.Value;
}
else if (part.Name.IndexOf(JSONStoreConstants.JSON_STORE_QUERY_NOT_BETWEEN) >= 0)
{
query.notBetween = (JArray)part.Value;
}
queryParts.Add(query);
}
}
}
// execute the queries
JArray results = collection.findWithAdvancedQuery(queryParts, queryOptions);
return new StorageResult(Status.OK, results);
}
}
catch (JSONStoreException jsonException)
{
// catch a JSONStore specific exception and return the error code
return new StorageResult(Status.ERROR, jsonException.errorCode);
}
catch (Exception)
{
return new StorageResult(Status.ERROR, JSONStoreConstants.JSON_STORE_PERSISTENT_STORE_FAILURE);
}
}, token)));
}
