public override IList <HistoricDetail> executeList(CommandContext commandContext, Page page)
{
checkQueryOk();
IList <HistoricDetail> historicDetails = commandContext.HistoricDetailManager.findHistoricDetailsByQueryCriteria(this, page);
if (historicDetails != null)
{
foreach (HistoricDetail historicDetail in historicDetails)
{
if (historicDetail is HistoricDetailVariableInstanceUpdateEntity)
{
HistoricDetailVariableInstanceUpdateEntity entity = (HistoricDetailVariableInstanceUpdateEntity)historicDetail;
if (shouldFetchValue(entity))
{
try
{
entity.getTypedValue(isCustomObjectDeserializationEnabled);
}
catch (Exception t)
{
// do not fail if one of the variables fails to load
LOG.exceptionWhileGettingValueForVariable(t);
}
}
}
}
}
return(historicDetails);
}
protected internal virtual IList <string> getByteArrayIds(IList <HistoricVariableUpdate> variableUpdates)
{
IList <string> byteArrayIds = new List <string>();
foreach (HistoricVariableUpdate variableUpdate in variableUpdates)
{
if (isHistoricDetailVariableInstanceUpdateEntity(variableUpdate))
{
HistoricDetailVariableInstanceUpdateEntity entity = (HistoricDetailVariableInstanceUpdateEntity)variableUpdate;
if (isNotByteArrayVariableType(entity))
{
string byteArrayId = entity.ByteArrayValueId;
if (!string.ReferenceEquals(byteArrayId, null))
{
byteArrayIds.Add(byteArrayId);
}
}
}
}
return(byteArrayIds);
}
protected internal virtual void resolveTypedValues(IList <HistoricVariableUpdate> variableUpdates)
{
foreach (HistoricVariableUpdate variableUpdate in variableUpdates)
{
if (isHistoricDetailVariableInstanceUpdateEntity(variableUpdate))
{
HistoricDetailVariableInstanceUpdateEntity entity = (HistoricDetailVariableInstanceUpdateEntity)variableUpdate;
if (isNotByteArrayVariableType(entity))
{
try
{
entity.getTypedValue(false);
}
catch (Exception t)
{
// do not fail if one of the variables fails to load
LOG.exceptionWhileGettingValueForVariable(t);
}
}
}
}
}
protected internal virtual bool shouldFetchValue(HistoricDetailVariableInstanceUpdateEntity entity)
{
// do not fetch values for byte arrays eagerly (unless requested by the user)
return(isByteArrayFetchingEnabled || !AbstractTypedValueSerializer.BINARY_VALUE_TYPES.Contains(entity.Serializer.Type.Name));
}
protected internal virtual bool isNotByteArrayVariableType(HistoricDetailVariableInstanceUpdateEntity entity)
{
// do not fetch values for byte arrays/ blob variables (e.g. files or bytes)
return(!AbstractTypedValueSerializer.BINARY_VALUE_TYPES.Contains(entity.Serializer.Type.Name));
}
