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package org.glassfish.grizzly.config.dom;

import org.jvnet.hk2.config.Attribute;
import org.jvnet.hk2.config.ConfigBeanProxy;
import org.jvnet.hk2.config.Configured;
import org.jvnet.hk2.config.DuckTyped;
import org.jvnet.hk2.config.Element;
import org.jvnet.hk2.config.types.PropertyBag;

import javax.validation.constraints.Pattern;
import java.util.List;

/**
 * Defines the type of protocol chain and describes protocol filters, which will participate in request processing
 */
@Configured
public interface ProtocolChain extends ConfigBeanProxy, PropertyBag {
    String TYPE = "STATELESS";
    String TYPE_PATTERN = "STATELESS|STATEFUL";

    /**
     * Protocol chain instance handler implementation class
     */
    @Attribute
    String getClassname();

    void setClassname(String value);

    /**
     * Protocol chain type. Could be STATEFUL or STATELESS
     */
    @Attribute(defaultValue = TYPE)
    @Pattern(regexp = TYPE_PATTERN)
    String getType();

    void setType(String value);

    /**
     * Defines protocol filter sequence, which will process a request.
     */
    @Element
    List getProtocolFilter();

    void setProtocolFilter(List list);

    @DuckTyped
    Protocol getParent();

    class Duck {
        public static Protocol getParent(ProtocolChain chain) {
            return chain.getParent(Protocol.class);
        }
    }
}