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 * ====================================================================
 * Ikasan Enterprise Integration Platform
 * 
 * Distributed under the Modified BSD License.
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package org.ikasan.spec.recovery;

/**
 * Recovery Manager contract.
 * 
 * @author Ikasan Development Teams
 */
public interface RecoveryManager
{
    /**
     * Set a resolver which translates the incoming exception and component name
     * in to an action to be taken by the recovery manager.
     * @param resolver
     */
    void setResolver(RESOLVER resolver);
    
    /**
     * Set a resolver which translates the incoming exception and component name
     * in to an action to be taken by the recovery manager.
     * @param managedResources
     * @param 
     */
     void setManagedResources(MANAGED_RESOURCES managedResources);
    
    /**
     * Get the resolver for this recovery manager.
     * @return  resolver
     */
    RESOLVER getResolver();

    /**
     * Start or continue a recovery based on the passed CONTEXT
     * @param context
     * @param throwable
     * @param event
     * @param identifier
     * @param 
     * @param 
     */
     void recover(CONTEXT context, Throwable throwable, EVENT event, ID identifier);

    /**
     * Start or continue a recovery based on the passed CRITERIA.
     * @param component
     * @param throwable
     */
    void recover(String component, Throwable throwable);
    
    /**
     * Is the recovery manager currently running a recovery.
     * @return
     */
    boolean isRecovering();
    
    /**
     * Is the recovery manager in an unrecoverable state.
     * @return
     */
    boolean isUnrecoverable();
    
    /**
     * Cancel any recovery currently running in the recovery manager.
     */
    void cancelAll();

    /**
     * Cancel a recovery given the current identifier for a flow (flow event id)
     * @param identifier the identifier
     */
    void cancel(ID identifier);

    /**
     * Initialize the state of the recovery manager clearing down any previously
     * held states resulting from previous executions.
     */
    void initialise();
}




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