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package com.sun.enterprise.module;

/**
 * ModuleState define the state of a Module instance. 
 *
 * @author Jerome Dochez
 */
public enum ModuleState {
    
    /**
     * a Module is in NEW state when the module object is constructed but not 
     * initialized
     */
    NEW,
    /**
     * a Module is in PREPARING state when the module looks for its import
     * policy class if any or use the default import policy to construct the
     * network of dependency modules.
     */
    PREPARING,
    /**
     * a Module is in RESOLVED state when the validation is finished and 
     * successful and before the module is started
     */
    RESOLVED,
    /**
     * the Module has been started as all its dependencies were satisfied
     */
    READY,
    /**
     * a Module is in ERROR state when its class loader cannot be constructed 
     * or when any of its dependent module is in ERROR state.
     */
    ERROR
    
}