// -----------------------------------------------------------------
/// <summary>
///
/// </summary>
// -----------------------------------------------------------------
public bool ReadValue(string expr, bool useJson, TakeValueCallback cback)
{
Stack <string> path;
if (!ParsePathExpression(expr, out path))
{
return(false);
}
string pexpr = PathExpressionToKey(path);
OSD result = ProcessPathExpression(ValueStore, path);
if (result == null)
{
m_ReadStore.Add(new TakeValueCallbackClass(pexpr, useJson, cback));
return(false);
}
string value = String.Empty;
if (!ConvertOutputValue(result, out value, useJson))
{
// the structure does not match the request so i guess we'll wait
m_ReadStore.Add(new TakeValueCallbackClass(pexpr, useJson, cback));
return(false);
}
cback(value);
return(true);
}
// -----------------------------------------------------------------
/// <summary>
///
/// </summary>
// -----------------------------------------------------------------
public void ReadValue(UUID storeID, string path, bool useJson, TakeValueCallback cback)
{
if (!m_enabled)
{
cback(String.Empty);
return;
}
JsonStore map = null;
lock (m_JsonValueStore)
{
if (!m_JsonValueStore.TryGetValue(storeID, out map))
{
cback(String.Empty);
return;
}
}
try
{
lock (map)
{
map.ReadValue(path, useJson, cback);
return;
}
}
catch (Exception e)
{
m_log.Error("[JsonStore]: unable to retrieve value", e);
}
cback(String.Empty);
}
// -----------------------------------------------------------------
/// <summary>
///
/// </summary>
// -----------------------------------------------------------------
public void TakeValue(UUID storeID, string path, bool useJson, TakeValueCallback cback)
{
if (!m_enabled)
{
cback(String.Empty);
return;
}
JsonStore map = null;
lock (m_JsonValueStore)
{
if (!m_JsonValueStore.TryGetValue(storeID, out map))
{
cback(String.Empty);
return;
}
}
try
{
lock (map)
{
map.TakeValue(path, useJson, cback);
return;
}
}
catch (Exception e)
{
m_log.InfoFormat("[JsonStore] unable to retrieve value; {0}", e.ToString());
}
cback(String.Empty);
}
// -----------------------------------------------------------------
/// <summary>
///
/// </summary>
// -----------------------------------------------------------------
public void ReadValue(UUID storeID, string path, bool useJson, TakeValueCallback cback)
{
if (! m_enabled)
{
cback(String.Empty);
return;
}
JsonStore map = null;
if(!m_JsonValueStore.TryGetValue(storeID, out map))
{
cback(String.Empty);
return;
}
try
{
lock (map)
{
map.ReadValue(path, useJson, cback);
return;
}
}
catch (Exception e)
{
m_log.Error("[JsonStore]: unable to retrieve value", e);
}
cback(String.Empty);
}
public TakeValueCallbackClass(string spath, bool usejson, TakeValueCallback cback)
{
Path = spath;
UseJson = usejson;
Callback = cback;
}
// -----------------------------------------------------------------
/// <summary>
///
/// </summary>
// -----------------------------------------------------------------
public bool ReadValue(string expr, bool useJson, TakeValueCallback cback)
{
Stack<string> path;
if (! ParsePathExpression(expr,out path))
return false;
string pexpr = PathExpressionToKey(path);
OSD result = ProcessPathExpression(ValueStore,path);
if (result == null)
{
m_ReadStore.Add(new TakeValueCallbackClass(pexpr,useJson,cback));
return false;
}
string value = String.Empty;
if (! ConvertOutputValue(result,out value,useJson))
{
// the structure does not match the request so i guess we'll wait
m_ReadStore.Add(new TakeValueCallbackClass(pexpr,useJson,cback));
return false;
}
cback(value);
return true;
}
public TakeValueCallbackClass(string spath, bool usejson, TakeValueCallback cback)
{
Path = spath;
UseJson = usejson;
Callback = cback;
}
// -----------------------------------------------------------------
/// <summary>
///
/// </summary>
// -----------------------------------------------------------------
public void TakeValue(UUID storeID, string path, bool useJson, TakeValueCallback cback)
{
if (! m_enabled)
{
cback(String.Empty);
return;
}
JsonStore map = null;
lock (m_JsonValueStore)
{
if (! m_JsonValueStore.TryGetValue(storeID,out map))
{
cback(String.Empty);
return;
}
}
try
{
lock (map)
{
map.TakeValue(path, useJson, cback);
return;
}
}
catch (Exception e)
{
m_log.InfoFormat("[JsonStore] unable to retrieve value; {0}",e.ToString());
}
cback(String.Empty);
}
// -----------------------------------------------------------------
/// <summary>
///
/// </summary>
// -----------------------------------------------------------------
public void TakeValue(UUID storeID, string path, bool useJson, TakeValueCallback cback)
{
bool gotItem;
if (! m_enabled)
{
cback(String.Empty);
return;
}
JsonStore map = null;
m_JsonValueStoreRwLock.AcquireReaderLock(-1);
try
{
gotItem = m_JsonValueStore.TryGetValue(storeID, out map);
}
finally
{
m_JsonValueStoreRwLock.ReleaseReaderLock();
}
if (!gotItem)
{
cback(String.Empty);
return;
}
try
{
lock (map)
{
map.TakeValue(path, useJson, cback);
return;
}
}
catch (Exception e)
{
m_log.Error("[JsonStore] unable to retrieve value", e);
}
cback(String.Empty);
}
