This page of the Model Settings dialog box is intended for customizing NHibernate configuration. I.e. here you can set parameters for NHibernate configuration and specify the location of its storage: either in App.Config (Web.Config), or in a separate file (cfg.xml), or you can choose Entity Developer not to do anything concerning configuration.
Save configuration in App.Config
This radio button defines that configuration should be saved in the app.config file.
Save configuration in separate <Model Name>.cfg.xml file
This radio button defines that configuration should be saved in a separate file (cfg.xml).
Not to save the configuration
This radio button defines that configuration should not be saved.
Backend
Driver Controls the name of the driver to be used. You need to specify this property only in cases where the NTDS or ODP drivers are to be used.
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Backend Runtime
Allow Cascade Delete Controls the default behavior for deletion when nothing is specified on the class level in the MetadataContainer. Allow Non Nullable Columns In TPT Inheritance Allows the generation of non nullable columns in TPT inherited classes. Allow Read After Delete Controls if read operations on the already deleted instances are allowed. This property controls if read access on existing persistent objects is allowed after it has been deleted. Allow Read After Dispose Controls if read operations on the already fetched instances are allowed after managing context disposal. This property controls if read access on existing persistent objects is allowed after the managing context has been disposed. Cache Reference Type Controls the type of reference that is used in the cache of the object scope. Check Object Consistency On Commit Controls whether the consistency of the object graph in the local cache is ensured. If set to 'true', this makes sure that all bi-directional relationships (one-many and many-many) are in sync. Check Schema Consistency On Startup Controls if the class/table mapping is validated on startup of the application. Class Behavior Controls the default modification behavior of persistent types. Close Database With Active Transactions Controls if closing a database with active transactions is allowed. Close Scopes With Active Transaction Controls if closing of an object scope with an active transaction is allowed. Command Timeout Controls the global CommandTimeout value in seconds that is set to all DbCommands used in Telerik Data Access. Compiled Query Cache Size Controls the maximum number of queries that are kept in the precompiled query cache. Concurrency Specifies which concurrency control is used. Default Stream Buffer Size Gets or sets the default buffer size for Stream fields. Has Temp Tables Controls if the database will attempt to use temporary tables. Intercept Default Fetch Group Field Access Determines if the optimized code path is used for fields in the default fetch group. Like With Escape Determines if the database will use the LIKE operator with the ESCAPE character set to backslash. Lock SQL Suffix Gets or sets the SQL that is appended to a 'SELECT FOR UPDATE' statement which is used to obtain a write lock when using pessimistic concurrency control. Lock Timeout MSec Controls the lock time out in milliseconds. Medium Trust Determines if medium-trust environments are supported. Nulls First Controls if the database will use NULLS FIRST sorting. Only Metadata Controls if the OpenAccessContext will be created to obtain only the Metadata and not actually connect to the database. Parallel Fetching Enabled Gets or sets whether parallel fetching of a sub collection is enabled.Parallel fetching allows the use of multiple result sets, if the backend supports it, in a combined way for an improved performance. Performance Counter Gets or sets whether performance counters for the Second level cache and Second level cache cluster are enabled. Performance Counter Name Gets or sets the name of the performance counter instance. Prepare Commands Controls the creation of prepared commands used to perform CRUD operations. Read Only Controls if write operations against the database are permitted. Read Without Transactions Controls if normal query operations are done without database transactions. Require Persistent Classes Controls if the opening of a database requires persistent classes to be present. Retain Connection In Optimistic Transaction Controls if the connection is to be retained in optimistic transactions. Return Null For Row Not Found Controls if null is to be returned when an object is not found. Scope Implementation Pool Enabled Controls if the implementation objects underlying the object scope can be pooled. Scope Implementation Pool Max Idle Controls the maximum number of idle scope implementation objects. Statement Batching Enabled Controls statement batching for DML operations. Statement Batching Size Controls the maximum amount of batched modification operations. Statement Batching Threshold Controls the threshold for using statement batching of modifying operations. Support Concurrent Threads In Scope Controls if the runtime supports concurrent threads within one objects scope. Use UTC For AutoSet Values Controls if the datetime values that are automatically set during commit will use UTC. Use UTC For Read Values Controls if the datetime values that are read will be converted to use UTC. Write Artificial Types To Disk Controls if assemblies containing artificial types are written to disk. Use UTC For AutoSet Values Controls if the datetime values that are automatically set during commit will use UTC. Use UTC For Read Values Controls if the datetime values that are read will be converted to use UTC. Write Artificial Types To Disk Controls if assemblies containing artificial types are written to disk.
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Connection Pool
Active Connection Timeout Controls the time out in seconds for active connections; controls how long query results on the server are held open. Block When Full Controls the behavior of the empty connection pool when a new connection is requested. If this property is set to True, threads attempting to obtain a connection will wait, until one is available. Init SQL Gets or sets a list of SQL statements that will be executed after creation of a connection before it is put into the connection pool. Isolation Level Controls the isolation level that should be used on the database server. Max Active Controls the maximum number of active connections in the connection pool. Pool Type Controls which ConnectionPool behavior should be used. The behavior of the ADO driver or the behavior of Telerik Data Access. Reserved Controls the number of pooled reserved connections (e.g. used by the HighLow key generator). Integrated Pool Connect Retry Count Controls the number of connect retries that are attempted until a connection can be established. Integrated Pool Connect Retry Interval MSec Controls the time between connect retry attempts in milliseconds. Integrated Pool Max Connection Age Controls the maximum number a connection can be returned to the connection pool before it is closed to free accumulated resources. Integrated Pool Max Idle Controls the maximum number of idle connections in the connection pool. Integrated Pool Min Idle Controls the minimum number of idle connections in the connection pool. Integrated Pool Prepared Statement Cache Enabled Controls if the prepared statement pool cache is enabled. Integrated Pool Prepared Statement Cache Max Controls the maximum number of prepared statements to be cached on a connection. Integrated Pool Test Interval Controls the time in seconds between subsequent tests whether an idle connection is still valid. Integrated Pool Test On Alloc Controls if connections are tested for operation when they are unpooled. Integrated Pool Test On Exception Controls if connections are tested for operation after an exception occurred. Integrated Pool Test On Release Controls if connections are tested for operation when they are pooled. Integrated Pool Test When Idle Controls if connections are tested when they are idle. Integrated Pool Validate SQL Controls the SQL that is used to test connections for operation.
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Default Mapping
Always Create Index On Join Table Value Columns Controls the default value for the index generation in join tables. Cache Strategy Controls the default value for the cache strategy. Null Foreign Key Controls the default value for whether foreign keys can be null. Optimistic Concurrency Mode Controls the default value for the concurrency control strategy. Use Delimited SQL Controls if plain or delimited SQL is used. Use Stored Procedures For Insert Controls whether stored procedures are used for insert operations. Use Stored Procedures For Update Controls whether stored procedures are used for update operations. Use Stored Procedures For Delete Controls whether stored procedures are used for delete operations.
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HighLow Generator
Create Table Defines whether the table for HighLow generator should be created or not. Grab Size The number of new keys fetched in one server call. Ignore Missing Tables If a table is missing in the actual database the keygen table entry will not be written and no objects can be created. Key Column Length Defines the length for the primary key column storing the table name. Key Column Name Defines the name for the primary key column storing the table name. Key Column OpenAccess Type Defines the sql type for the primary key column storing the table name. Start The starting value as given out by the key generator. Table Name Defines the table name used by the highlow key generator. Value Column Name Defines the name for the column storing the most recent pk value.
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Second Level Cache
Cache Query Results Controls if the second level cache should also cache query results. Cache Enabled Controls if the second level cache is enabled. Cache Number Of Objects Controls the number of objects to be cached. Cache Number Of Objects Per Query Results Controls the maximum number of object in a cached query result. If the query result contains a less than or equal number of results, the query result is cache, if the query result contains more results, the query result is not cached. Cache Number Of Query Results Controls the number of query results to cache. Cache Strategy Controls the default strategy to use.
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Tracing and Logging
Downloader Append Append to end of existing event text file (if any). Downloader Date Format Date format for event text file. Downloader Event Binary Write events to a binary file (filename.oalog)."), Category("Tracing & Logging Downloader Event Poll Seconds Time in seconds between polls of the event ring buffer. Downloader Event Text Write events to text file (filename.txt). Downloader Filename Data is written to files based on this name (default is openaccess_{ConnectionId}). Downloader Max File Size KB Maximum size for a file before rollover to backup. Downloader Metric Binary Write metric snapshots to binary file (filename.oametric). Downloader Metric Poll Seconds Time in seconds between polls of the metric snapshot ring buffer. Downloader Number Of Backups Number of old log files to keep (filename.oalog.1, filename.oalog.2, ...). Event Store Capacity Number of log events to cache. Log Errors To Windows Event Log Log errors to Windows Application Event Log. Log Events Controls the logging level. Log Events To Sys Out Log events to the System.Console. Log Events To Trace Log events to the System.Diagnostics.Trace framework. Metric Store Capacity Controls the capacity of the metric snapshot store. Metric Store Snapshot Interval Controls the interval to perform metric snapshots in milliseconds. Stack Trace Controls whether messages have a stack trace attached.
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