Create Crm Configuration Entity with new_key,new_value,new_description text fields.
string value = ConfigurationManager.Instance.GetValue(ConfigurationKey.TimeForCheckRound, _service);
using System;
using System.Collections.Generic;
using Microsoft.Xrm.Sdk;
using Microsoft.Xrm.Sdk.Query;
namespace Plugins
{
/// <summary>
/// CRMConfiguration maintains a list of ConfigurationContainer in a
/// globally accessible hashtable. This is a Singleton helper class to the
/// getting data from CRM Configurations entity.
/// </summary>
/// <remarks>
/// Singleton.
///
/// The Singleton Design Pattern ensures that just one instance (the Singleton)
/// holds a reference to a list of all ConfigurationContainer providers declared in the
/// CRM Configuration entity.
/// </remarks>
public class ConfigurationManager
{
/// <summary>
/// The one and only Singleton ConfigurationManager instance.
/// </summary>
/// <remarks>
/// This is the single instance of this class
/// </remarks>
private static readonly ConfigurationManager _uniqueInstance = new ConfigurationManager();
/// <summary>
/// Lock synchronization object
/// </summary>
private static readonly object _syncLock = new object();
/// <summary>
/// Type-safe generic ConfigurationContainer
/// </summary>
private ConfigurationContainer container = null;
/// <summary>
/// Create ConfigurationContainer instance.
/// </summary>
/// <remarks>
/// Private constructor.
/// </remarks>
private ConfigurationManager()
{
//create a ConfigurationContainer instance
container = new ConfigurationContainer();
}
/// <summary>
/// Gets the instance of the ConfigurationManager object.
/// </summary>
public static ConfigurationManager Instance
{
get
{
return _uniqueInstance;
}
}
/// <summary>
/// Gets or sets the value of the specified key
/// </summary>
/// <param name="configurationKey">key of crm configuration entity</param>
/// <param name="service">IOrganizationService instance</param>
/// <returns>value of the key parameter</returns>
public string GetValue(ConfigurationKey configurationKey, IOrganizationService service)
{
string key = configurationKey.ToString();
// if key is already exist than directly return value.
if (container.ContainsKey(key))
return container[key];
// Lock area where instance is created
lock (_syncLock)
{
//control for more than one thread
if (container.ContainsKey(key)) return container[key];
//Entity definition
const string entityName = "new_crmconfiguration";
const string valueAttributeName = "new_value";
const string keyAttributeName = "new_key";
//read value from crm
var fetch = string.Format(@"
<fetch version='1.0' count='1' output-format='xml-platform' mapping='logical' distinct='false'>
<entity name='{0}'>
<attribute name='{1}' />
<filter type='and'>
<condition attribute='statecode' operator='eq' value='0' />
<condition attribute='{2}' operator='eq' value='{3}' />
</filter>
</entity>
</fetch>",entityName,valueAttributeName,keyAttributeName,key);
EntityCollection collection = service.RetrieveMultiple(new FetchExpression(fetch));
if (collection.Entities.Count > 0 && collection.Entities[0].Attributes.Contains(valueAttributeName))
{
//Add new key and value to dictionary
container.Add(key, collection.Entities[0][valueAttributeName].ToString());
}
else
{
throw new Exception("configuration key not found...");
}
}
return container[key];
}
}
/// <summary>
/// Gets or sets a list of ConfigurationContainers dictionary that contains key and value
/// </summary>
internal class ConfigurationContainer : Dictionary<string, string>
{
}
/// <summary>
/// Gets or sets a configuration key that contains key of configuration entity.
/// </summary>
public enum ConfigurationKey
{
TimeForCheckRound,
}
}
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