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package org.apache.cayenne.project.extension;

import org.apache.cayenne.configuration.xml.NamespaceAwareNestedTagHandler;

/**
 * Delegate that handles loading process for extension specific parts of XML document.
 *
 * @since 4.1
 */
public interface LoaderDelegate {

    /**
     * @return target namespace that this extension is using
     */
    String getTargetNamespace();

    /**
     * Create handler that will handle parsing process further.
     *
     * @param parent parent handler
     * @param tag current tag that in question
     * @return new handler that will process tag or null if there is no interest in tag
     */
    NamespaceAwareNestedTagHandler createHandler(NamespaceAwareNestedTagHandler parent, String tag);

}