List the indexers defined for the Document Library Portlet

list_dl_indexers.groovy

import com.liferay.portal.kernel.search.Indexer
import com.liferay.portal.kernel.search.IndexerPostProcessor
import com.liferay.portal.model.Portlet
import com.liferay.portal.service.CompanyLocalServiceUtil
import com.liferay.portal.service.PortletLocalServiceUtil

try {
    String portletId = "20"; //Document Library
    long companyId = CompanyLocalServiceUtil.getCompanies().get(0).getCompanyId();
    Portlet portlet = PortletLocalServiceUtil.getPortletById(
            companyId, portletId);
    println "Portlet: " + portlet

    List<Indexer> indexers = portlet.getIndexerInstances();
    for (Indexer indexer : indexers) {
        println "Indexer:  engineId:" + indexer.searchEngineId + ", " + indexer
        IndexerPostProcessor[] processors = indexer.getIndexerPostProcessors()
        for (IndexerPostProcessor processor : processors) {
            println "Post processor: " + processor
        }
    }
}
catch (Exception e) {
    println "Script failed " + e
}