private string LabelValue(int recordOffset)
{
int labelLength = MetaDataBuffer.GetInt(recordOffset + LABEL_OFFSET);
byte[] stringInBytes = new byte[labelLength];
MetaDataBuffer.GetBytes(recordOffset + LABEL_OFFSET + BitUtil.SIZE_OF_INT, stringInBytes);
return(LabelCharset.GetString(stringInBytes));
}
/// <summary>
/// Iterate over all the metadata in the buffer.
/// </summary>
/// <param name="metaData"> function to be called for each metadata record. </param>
public void ForEach(MetaData metaData)
{
var counterId = 0;
for (int i = 0, capacity = MetaDataBuffer.Capacity; i < capacity; i += METADATA_LENGTH)
{
var recordStatus = MetaDataBuffer.GetIntVolatile(i);
if (RECORD_UNUSED == recordStatus)
{
break;
}
if (RECORD_ALLOCATED == recordStatus)
{
var typeId = MetaDataBuffer.GetInt(i + TYPE_ID_OFFSET);
var label = MetaDataBuffer.GetStringUtf8(i + LABEL_OFFSET);
IDirectBuffer keyBuffer = new UnsafeBuffer(MetaDataBuffer, i + KEY_OFFSET, MAX_KEY_LENGTH);
metaData(counterId, typeId, keyBuffer, label);
}
counterId++;
}
}
/// <summary>
/// Get the type id for a given counter id.
/// </summary>
/// <param name="counterId"> to be read. </param>
/// <returns> the type id for a given counter id. </returns>
public int GetCounterTypeId(int counterId)
{
ValidateCounterId(counterId);
return(MetaDataBuffer.GetInt(MetaDataOffset(counterId) + TYPE_ID_OFFSET));
}
