public IInternalConfigRecord GetConfigRecord(string configPath)
{
IInternalConfigRecord record4;
if (!ConfigPathUtility.IsValid(configPath))
{
throw ExceptionUtil.ParameterInvalid("configPath");
}
string[] parts = ConfigPathUtility.GetParts(configPath);
try
{
int num;
BaseConfigurationRecord record;
this.AcquireHierarchyLockForRead();
this.hlFindConfigRecord(parts, out num, out record);
if ((num == parts.Length) || !record.hlNeedsChildFor(parts[num]))
{
return(record);
}
}
finally
{
this.ReleaseHierarchyLockForRead();
}
try
{
int num2;
BaseConfigurationRecord record2;
this.AcquireHierarchyLockForWrite();
this.hlFindConfigRecord(parts, out num2, out record2);
if (num2 == parts.Length)
{
return(record2);
}
string parentConfigPath = string.Join("/", parts, 0, num2);
while ((num2 < parts.Length) && record2.hlNeedsChildFor(parts[num2]))
{
BaseConfigurationRecord record3;
string childConfigPath = parts[num2];
parentConfigPath = ConfigPathUtility.Combine(parentConfigPath, childConfigPath);
if (this._isDesignTime)
{
record3 = MgmtConfigurationRecord.Create(this, record2, parentConfigPath, null);
}
else
{
record3 = (BaseConfigurationRecord)RuntimeConfigurationRecord.Create(this, record2, parentConfigPath);
}
record2.hlAddChild(childConfigPath, record3);
num2++;
record2 = record3;
}
record4 = record2;
}
finally
{
this.ReleaseHierarchyLockForWrite();
}
return(record4);
}
private void RemoveConfigImpl(string configPath, BaseConfigurationRecord configRecord)
{
BaseConfigurationRecord record;
if (!ConfigPathUtility.IsValid(configPath))
{
throw ExceptionUtil.ParameterInvalid("configPath");
}
string[] parts = ConfigPathUtility.GetParts(configPath);
try
{
int num;
this.AcquireHierarchyLockForWrite();
this.hlFindConfigRecord(parts, out num, out record);
if ((num != parts.Length) || ((configRecord != null) && !object.ReferenceEquals(configRecord, record)))
{
return;
}
record.Parent.hlRemoveChild(parts[parts.Length - 1]);
}
finally
{
this.ReleaseHierarchyLockForWrite();
}
this.OnConfigRemoved(new InternalConfigEventArgs(configPath));
record.CloseRecursive();
}
public void ClearResult(BaseConfigurationRecord configRecord, string configKey, bool forceEvaluation)
{
string[] parts = ConfigPathUtility.GetParts(configRecord.ConfigPath);
try
{
int num;
BaseConfigurationRecord record;
this.AcquireHierarchyLockForRead();
this.hlFindConfigRecord(parts, out num, out record);
if ((num == parts.Length) && object.ReferenceEquals(configRecord, record))
{
record.hlClearResultRecursive(configKey, forceEvaluation);
}
}
finally
{
this.ReleaseHierarchyLockForRead();
}
}
//
// Clear the result of a configSection evaluation at a particular point
// in the hierarchy.
//
public void ClearResult(BaseConfigurationRecord configRecord, string configKey, bool forceEvaluation)
{
string[] parts = ConfigPathUtility.GetParts(configRecord.ConfigPath);
try {
int index;
BaseConfigurationRecord currentRecord;
AcquireHierarchyLockForRead();
hlFindConfigRecord(parts, out index, out currentRecord);
// clear result only if configRecord it is still in the hierarchy
if (index == parts.Length && Object.ReferenceEquals(configRecord, currentRecord))
{
currentRecord.hlClearResultRecursive(configKey, forceEvaluation);
}
}
finally {
ReleaseHierarchyLockForRead();
}
}
// Find and remove the config record and all its children for the config path.
// Optionally ensure the config record matches a desired config record.
private void RemoveConfigImpl(string configPath, BaseConfigurationRecord configRecord)
{
if (!ConfigPathUtility.IsValid(configPath))
{
throw ExceptionUtil.ParameterInvalid("configPath");
}
string[] parts = ConfigPathUtility.GetParts(configPath);
BaseConfigurationRecord currentRecord;
// search under exclusive writer lock
try
{
int index;
AcquireHierarchyLockForWrite();
HlFindConfigRecord(parts, out index, out currentRecord);
// Return if not found, or does not match the one we are trying to remove.
if ((index != parts.Length) || ((configRecord != null) && !ReferenceEquals(configRecord, currentRecord)))
{
return;
}
// Remove it from the hierarchy.
currentRecord.Parent.HlRemoveChild(parts[parts.Length - 1]);
}
finally
{
ReleaseHierarchyLockForWrite();
}
OnConfigRemoved(new InternalConfigEventArgs(configPath));
// Close the record. This is safe to do outside the lock.
currentRecord.CloseRecursive();
}
public void GetParts(string configPath, string[] expected)
{
Assert.Equal(expected, ConfigPathUtility.GetParts(configPath));
}
//
// Get the config record for a path.
// If the record does not exist, create it if it is needed.
//
public IInternalConfigRecord GetConfigRecord(string configPath)
{
if (!ConfigPathUtility.IsValid(configPath))
{
throw ExceptionUtil.ParameterInvalid("configPath");
}
string[] parts = ConfigPathUtility.GetParts(configPath);
//
// First search under the reader lock, so that multiple searches
// can proceed in parallel.
//
try {
int index;
BaseConfigurationRecord currentRecord;
AcquireHierarchyLockForRead();
hlFindConfigRecord(parts, out index, out currentRecord);
// check if found
if (index == parts.Length || !currentRecord.hlNeedsChildFor(parts[index]))
{
return(currentRecord);
}
}
finally {
ReleaseHierarchyLockForRead();
}
//
// Not found, so search again under exclusive writer lock so that
// we can create the record.
//
try {
int index;
BaseConfigurationRecord currentRecord;
AcquireHierarchyLockForWrite();
hlFindConfigRecord(parts, out index, out currentRecord);
if (index == parts.Length)
{
return(currentRecord);
}
string currentConfigPath = String.Join(BaseConfigurationRecord.ConfigPathSeparatorString, parts, 0, index);
//
// create new records
//
while (index < parts.Length && currentRecord.hlNeedsChildFor(parts[index]))
{
string configName = parts[index];
currentConfigPath = ConfigPathUtility.Combine(currentConfigPath, configName);
BaseConfigurationRecord childRecord;
Debug.Trace("ConfigurationCreate", "Creating config record for " + currentConfigPath);
if (_isDesignTime)
{
childRecord = MgmtConfigurationRecord.Create(this, currentRecord, currentConfigPath, null);
}
else
{
childRecord = (BaseConfigurationRecord)RuntimeConfigurationRecord.Create(this, currentRecord, currentConfigPath);
}
currentRecord.hlAddChild(configName, childRecord);
index++;
currentRecord = childRecord;
}
return(currentRecord);
}
finally {
ReleaseHierarchyLockForWrite();
}
}
