private static void ValidateSingleIndex(IndexAttribute indexAttr, Type grainInterfaceType, Type grainClassType, Type propertiesArgType,
PropertyInfo propInfo, bool?grainIndexesAreEager, ConsistencyScheme consistencyScheme, bool isEager, bool isUnique)
{
var indexType = (Type)indexTypeProperty.GetValue(indexAttr);
var isTotalIndex = indexType.IsTotalIndex();
var isPerSiloIndex = indexType.IsPartitionedPerSiloIndex();
var isFaultTolerantWorkflow = consistencyScheme == ConsistencyScheme.FaultTolerantWorkflow;
if (indexAttr is ActiveIndexAttribute && isUnique)
{
// See comments in ActiveIndexAttribute for details of why this is disallowed.
throw new InvalidOperationException($"An active Index cannot be configured to be unique, because multiple activations, persisting, and deactivations can create duplicates." +
$" Active Index of type {IndexUtils.GetFullTypeName(indexType)} is defined to be unique on property {propInfo.Name}" +
$" of class {IndexUtils.GetFullTypeName(propertiesArgType)} on {IndexUtils.GetFullTypeName(grainInterfaceType)} grain interface.");
}
if (isPerSiloIndex && isUnique)
{
throw new InvalidOperationException($"Unique indexes cannot be partitioned per silo because uniqueness across silos is currently not enforced." +
$" Partitioned Per Silo Index of type {IndexUtils.GetFullTypeName(indexType)} is defined to be unique on property {propInfo.Name}" +
$" of class {IndexUtils.GetFullTypeName(propertiesArgType)} on {IndexUtils.GetFullTypeName(grainInterfaceType)} grain interface.");
}
if (isFaultTolerantWorkflow && isEager)
{
throw new InvalidOperationException($"A workflow-fault-tolerant grain implementation cannot be configured to eagerly update its indexes." +
$" The only option for updating the indexes of a fault-tolerant indexable grain is lazy updating." +
$" The index of type {IndexUtils.GetFullTypeName(indexType)} is defined to be updated eagerly on property {propInfo.Name}" +
$" of class {IndexUtils.GetFullTypeName(propertiesArgType)} on {IndexUtils.GetFullTypeName(grainClassType)} grain implementation class.");
}
if (isFaultTolerantWorkflow && indexType.IsActiveIndex())
{
throw new InvalidOperationException($"An Active index cannot be workflow-fault-tolerant, because it will continually be reactivated as part of the fault-tolerant workflow." +
$" The Active index of type {IndexUtils.GetFullTypeName(indexType)} on property {propInfo.Name}" +
$" of class {IndexUtils.GetFullTypeName(propertiesArgType)} on {IndexUtils.GetFullTypeName(grainClassType)} grain implementation class" +
$" which uses workflow-fault-tolerant indexing.");
}
if (grainIndexesAreEager.HasValue && grainIndexesAreEager.Value != isEager)
{
throw new InvalidOperationException($"Some indexes on {IndexUtils.GetFullTypeName(grainClassType)} grain implementation class are defined as eager while others are lazy." +
$" The index of type {IndexUtils.GetFullTypeName(indexType)} is defined to be updated {(isEager ? "eagerly" : "lazily")} on property { propInfo.Name}" +
$" of property class {IndexUtils.GetFullTypeName(propertiesArgType)} on {IndexUtils.GetFullTypeName(grainInterfaceType)} grain interface," +
$" while previous indexes have been configured to be updated {(isEager ? "lazily" : "eagerly")}." +
$" You must fix this by configuring all indexes to be updated lazily or eagerly." +
$" Note: If you have at least one Total Index among your indexes, this must be lazy, and thus all other indexes must be lazy also.");
}
if (!VerifyNullValue(propInfo, isUnique, out string convertErrMsg))
{
throw new InvalidOperationException($"The index of type {IndexUtils.GetFullTypeName(indexType)} on {IndexUtils.GetFullTypeName(grainClassType)} grain implementation class" +
$" failed verification. " + convertErrMsg);
}
}
private static void ValidateSingleIndex(IndexAttribute indexAttr, Type userDefinedIGrain, Type userDefinedGrainImpl, Type propertiesArgType, PropertyInfo propInfo,
bool?grainIndexesAreEager, bool isEager, bool isUnique)
{
bool isFaultTolerant = IsSubclassOfRawGenericType(typeof(IndexableGrain <,>), userDefinedGrainImpl);
Type indexType = (Type)indexTypeProperty.GetValue(indexAttr);
bool isTotalIndex = typeof(ITotalIndex).IsAssignableFrom(indexType);
if (indexAttr is ActiveIndexAttribute && isUnique)
{
// See comments in ActiveIndexAttribute for details of why this is disallowed.
throw new InvalidOperationException($"An active Index cannot be configured to be unique, because multiple activations, persisting, and deactivations can create duplicates." +
$" Active Index of type {IndexUtils.GetFullTypeName(indexType)} is defined to be unique on property {propInfo.Name}" +
$" of class {IndexUtils.GetFullTypeName(propertiesArgType)} on {IndexUtils.GetFullTypeName(userDefinedIGrain)} grain interface.");
}
if (isTotalIndex && isEager)
{
throw new InvalidOperationException($"A Total Index cannot be configured to be updated eagerly. The only option for updating a Total Index is lazy updating." +
$" Total Index of type {IndexUtils.GetFullTypeName(indexType)} is defined to be updated eagerly on property {propInfo.Name}" +
$" of class {IndexUtils.GetFullTypeName(propertiesArgType)} on {IndexUtils.GetFullTypeName(userDefinedIGrain)} grain interface.");
}
if (isFaultTolerant && isEager)
{
throw new InvalidOperationException($"A fault-tolerant grain implementation cannot be configured to eagerly update its indexes." +
$" The only option for updating the indexes of a fault-tolerant indexable grain is lazy updating." +
$" The index of type {IndexUtils.GetFullTypeName(indexType)} is defined to be updated eagerly on property {propInfo.Name}" +
$" of class {IndexUtils.GetFullTypeName(propertiesArgType)} on {IndexUtils.GetFullTypeName(userDefinedGrainImpl)} grain implementation class.");
}
if (grainIndexesAreEager.HasValue && grainIndexesAreEager.Value != isEager)
{
throw new InvalidOperationException($"Some indexes on {IndexUtils.GetFullTypeName(userDefinedGrainImpl)} grain implementation class are defined as eager while others are lazy." +
$" The index of type {IndexUtils.GetFullTypeName(indexType)} is defined to be updated {(isEager ? "eagerly" : "lazily")} on property { propInfo.Name}" +
$" of property class {IndexUtils.GetFullTypeName(propertiesArgType)} on {IndexUtils.GetFullTypeName(userDefinedIGrain)} grain interface," +
$" while previous indexs have been configured to be updated {(isEager ? "lazily" : "eagerly")}." +
$" You must fix this by configuring all indexes to be updated lazily or eagerly." +
$" Note: If you have at least one Total Index among your indexes, this must be lazy, and thus all other indexes must be lazy also.");
}
if (!VerifyNullValue(propInfo, isUnique, out string convertErrMsg))
{
throw new InvalidOperationException($"The index of type {IndexUtils.GetFullTypeName(indexType)} on {IndexUtils.GetFullTypeName(userDefinedGrainImpl)} grain implementation class" +
$" failed verification. " + convertErrMsg);
}
}