get provisioned write capacity units

gistfile1.txt

public int getWriteCapacity(final String tableName) {
        DescribeTableResult td = client.describeTable(tableName);
        if (td.getTable() != null ) {
            return td.getTable().getProvisionedThroughput().getWriteCapacityUnits().intValue();
        }
        
        // Indicates error.
        return 0;

    }