Package com.jcabi.dynamo

Interface Valve

All Known Implementing Classes:

QueryValve, ReValve, ScanValve

@Immutable
public interface Valve

Provider of dosages of DynamoDB items.

Since:

0.7.21

Method Summary

Modifier and Type	Method	Description
int	count(Credentials credentials, String table, Map<String,com.amazonaws.services.dynamodbv2.model.Condition> conditions)	Count items.
Dosage	fetch(Credentials credentials, String table, Map<String,com.amazonaws.services.dynamodbv2.model.Condition> conditions, Collection<String> keys)	Fetch the first dosage.

Method Detail

fetch

Dosage fetch(Credentials credentials,
             String table,
             Map<String,com.amazonaws.services.dynamodbv2.model.Condition> conditions,
             Collection<String> keys)
      throws IOException

Fetch the first dosage.

Parameters:

credentials - Credentials to AWS

table - Table name

conditions - Conditions

keys - Keys of the table

Returns:

Dosage

Throws:

IOException - In case of DynamoDB failure

Suppressed Checkstyle violations:

ParameterNumber (5 lines)

count

int count(Credentials credentials,
          String table,
          Map<String,com.amazonaws.services.dynamodbv2.model.Condition> conditions)
   throws IOException

Count items.

Parameters:

credentials - Credentials to AWS

table - Table name

conditions - Conditions

Returns:

Total count of the

Throws:

IOException - In case of DynamoDB failure