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The Enforcer is Casbin’s main interface: you use it to enforce policy and to read or update policies and models.

Available enforcers

The following enforcers are available by language. If you maintain a third-party enforcer, we can add it to this list.

Enforcer	Author	Description
Enforcer	Casbin	The base Enforcer provides the primary interface for policy and model operations. See the Management API documentation for detailed API information.
CachedEnforcer	Casbin	Extends the Enforcer with in-memory caching of enforcement results. Supports configurable cache expiration and includes thread-safe access via read-write locks. Use EnableCache to toggle caching (enabled by default). The remaining API methods match those of the base Enforcer.
DistributedEnforcer	Casbin	Designed for distributed deployments, this enforcer wraps SyncedEnforcer to work with dispatchers. Additional information is available in the dispatcher documentation.
SyncedEnforcer	Casbin	Extends Enforcer with synchronized access for thread-safe operations.
SyncedCachedEnforcer	Casbin	Combines the caching features of CachedEnforcer with the synchronization of SyncedEnforcer.
ContextEnforcer	Casbin	Implements the IEnforcerContext interface to provide context-aware operations. Currently supports context for adapter operations like LoadPolicyCtx(), SavePolicyCtx(), AddPolicyCtx(), and RemovePolicyCtx(). This interface is designed for future expansion of context support across additional Casbin operations.
SyncedContextEnforcer	Casbin	Combines the context-aware operations of ContextEnforcer with the synchronization of SyncedEnforcer. Use it instead of ContextEnforcer when the enforcer is shared by several goroutines. Available in versions after v3.11.0.

Enforcer	Author	Description
Enforcer	Casbin	The base Enforcer provides the primary interface for policy and model operations. See the Management API documentation for detailed API information.
DistributedEnforcer	Casbin	Designed for distributed deployments, this enforcer wraps SyncedEnforcer to work with dispatchers. Additional information is available in the dispatcher documentation.
SyncedEnforcer	Casbin	Extends Enforcer with synchronized access for thread-safe operations.
AsyncEnforcer	Casbin	Provides asynchronous API methods for non-blocking enforcement operations.
FastEnforcer	Casbin	Uses an optimized model architecture offering up to 50× performance improvements over the standard enforcer. More details are available at fastbin's repository.