org.apache.commons.collections.PredicateUtils Java Examples

@Override
public Set<AgentInfo> getAgentsByApplicationNameWithoutStatus(String applicationName, long timestamp) {
    if (applicationName == null) {
        throw new NullPointerException("applicationName");
    }
    if (timestamp < 0) {
        throw new IllegalArgumentException("timestamp must not be less than 0");
    }

    List<String> agentIds = this.applicationIndexDao.selectAgentIds(applicationName);
    List<AgentInfo> agentInfos = this.agentInfoDao.getAgentInfos(agentIds, timestamp);
    CollectionUtils.filter(agentInfos, PredicateUtils.notNullPredicate());
    if (CollectionUtils.isEmpty(agentInfos)) {
        return Collections.emptySet();
    }
    return new HashSet<>(agentInfos);
}
 

protected Predicate buildTraitPredict(Set<AtlasClassificationType> classificationTypes) {
    Predicate traitPredicate;
    AtlasClassificationType classificationType = null;
    if (CollectionUtils.isNotEmpty(classificationTypes)) {
        classificationType = classificationTypes.iterator().next();
    }

    if (classificationType == MATCH_ALL_CLASSIFICATION_TYPES) {
        traitPredicate = PredicateUtils.orPredicate(SearchPredicateUtil.getNotEmptyPredicateGenerator().generatePredicate(TRAIT_NAMES_PROPERTY_KEY, null, List.class),
            SearchPredicateUtil.getNotEmptyPredicateGenerator().generatePredicate(PROPAGATED_TRAIT_NAMES_PROPERTY_KEY, null, List.class));
    } else if (classificationType == MATCH_ALL_NOT_CLASSIFIED) {
        traitPredicate = PredicateUtils.andPredicate(SearchPredicateUtil.getIsNullOrEmptyPredicateGenerator().generatePredicate(TRAIT_NAMES_PROPERTY_KEY, null, List.class),
            SearchPredicateUtil.getIsNullOrEmptyPredicateGenerator().generatePredicate(PROPAGATED_TRAIT_NAMES_PROPERTY_KEY, null, List.class));
    } else if (context.isWildCardSearch()) {
        //For wildcard search __classificationNames which of String type is taken instead of _traitNames which is of Array type
        Set<String> classificationNames = context.getClassificationNames();
        List<Predicate> predicates = new ArrayList<>();

        classificationNames.forEach(classificationName -> {
            //No need to escape, as classification Names only support letters,numbers,space and underscore
            String regexString = getRegexString("\\|" + classificationName + "\\|");
            predicates.add(SearchPredicateUtil.getRegexPredicateGenerator().generatePredicate(CLASSIFICATION_NAMES_KEY, regexString, String.class));
            predicates.add(SearchPredicateUtil.getRegexPredicateGenerator().generatePredicate(PROPAGATED_CLASSIFICATION_NAMES_KEY, regexString, String.class));
        });

        traitPredicate = PredicateUtils.anyPredicate(predicates);
    } else {
        traitPredicate = PredicateUtils.orPredicate(SearchPredicateUtil.getContainsAnyPredicateGenerator().generatePredicate(TRAIT_NAMES_PROPERTY_KEY, context.getClassificationTypeNames(), List.class),
            SearchPredicateUtil.getContainsAnyPredicateGenerator().generatePredicate(PROPAGATED_TRAIT_NAMES_PROPERTY_KEY, context.getClassificationTypeNames(), List.class));
    }
    return traitPredicate;
}
 

public static Predicate getPredicateFromSearchFilter(SearchFilter searchFilter) {
    List<Predicate> predicates = new ArrayList<>();

    final String type         = searchFilter.getParam(SearchFilter.PARAM_TYPE);
    final String name         = searchFilter.getParam(SearchFilter.PARAM_NAME);
    final String supertype    = searchFilter.getParam(SearchFilter.PARAM_SUPERTYPE);
    final String notSupertype = searchFilter.getParam(SearchFilter.PARAM_NOT_SUPERTYPE);

    // Add filter for the type/category
    if (StringUtils.isNotBlank(type)) {
        predicates.add(getTypePredicate(type));
    }

    // Add filter for the name
    if (StringUtils.isNotBlank(name)) {
        predicates.add(getNamePredicate(name));
    }

    // Add filter for the supertype
    if (StringUtils.isNotBlank(supertype)) {
        predicates.add(getSuperTypePredicate(supertype));
    }

    // Add filter for the supertype negation
    if (StringUtils.isNotBlank(notSupertype)) {
        predicates.add(new NotPredicate(getSuperTypePredicate(notSupertype)));
    }

    return PredicateUtils.allPredicate(predicates);
}
 

public static Predicate getPredicateFromSearchFilter(SearchFilter searchFilter) {
    List<Predicate> predicates = new ArrayList<>();

    final String       type           = searchFilter.getParam(SearchFilter.PARAM_TYPE);
    final String       name           = searchFilter.getParam(SearchFilter.PARAM_NAME);
    final String       supertype      = searchFilter.getParam(SearchFilter.PARAM_SUPERTYPE);
    final String       serviceType    = searchFilter.getParam(SearchFilter.PARAM_SERVICETYPE);
    final String       notSupertype   = searchFilter.getParam(SearchFilter.PARAM_NOT_SUPERTYPE);
    final String       notServiceType = searchFilter.getParam(SearchFilter.PARAM_NOT_SERVICETYPE);
    final List<String> notNames       = searchFilter.getParams(SearchFilter.PARAM_NOT_NAME);

    // Add filter for the type/category
    if (StringUtils.isNotBlank(type)) {
        predicates.add(getTypePredicate(type));
    }

    // Add filter for the name
    if (StringUtils.isNotBlank(name)) {
        predicates.add(getNamePredicate(name));
    }

    // Add filter for the serviceType
    if(StringUtils.isNotBlank(serviceType)) {
        predicates.add(getServiceTypePredicate(serviceType));
    }

    // Add filter for the supertype
    if (StringUtils.isNotBlank(supertype)) {
        predicates.add(getSuperTypePredicate(supertype));
    }

    // Add filter for the supertype negation
    if (StringUtils.isNotBlank(notSupertype)) {
        predicates.add(new NotPredicate(getSuperTypePredicate(notSupertype)));
    }

    // Add filter for the serviceType negation
    // NOTE: Creating code for the exclusion of multiple service types is currently useless.
    // In fact the getSearchFilter in TypeREST.java uses the HttpServletRequest.getParameter(key)
    // that if the key takes more values it takes only the first the value. Could be useful
    // to change the getSearchFilter to use getParameterValues instead of getParameter.
    if (StringUtils.isNotBlank(notServiceType)) {
        predicates.add(new NotPredicate(getServiceTypePredicate(notServiceType)));
    }


    // Add filter for the type negation
    if (CollectionUtils.isNotEmpty(notNames)) {
        for (String notName : notNames) {
            predicates.add(new NotPredicate(getNamePredicate(notName)));
        }
    }

    return PredicateUtils.allPredicate(predicates);
}
 

/**
 * @param writer
 * @param includeHistory
 * @param session
 * @throws DataAccessException
 * @throws HibernateException
 */
private void writeObjects(final Writer writer, final boolean includeHistory, final Session session, final boolean preserveIds)
    throws DataAccessException, HibernateException
    {
  // Container für die Objekte
  final List<Object> all = new ArrayList<Object>();
  final XStream stream = initXStream(session, true);
  final XStream defaultXStream = initXStream(session, false);

  session.flush();
  // Alles laden
  final List<Class< ? >> entities = new ArrayList<Class< ? >>();
  entities.addAll(HibernateEntities.instance().getOrderedEntities());
  entities.addAll(HibernateEntities.instance().getOrderedHistoryEntities());
  for (final Class< ? > entityClass : entities) {
    final String entitySimpleName = entityClass.getSimpleName();
    final String entityType = entityClass.getName();
    if (includeHistory == false && entityType.startsWith("de.micromata.hibernate.history.") == true) {
      // Skip history entries.
      continue;
    }
    List< ? > list = session.createQuery("select o from " + entityType + " o").setReadOnly(true).list();
    list = (List< ? >) CollectionUtils.select(list, PredicateUtils.uniquePredicate());
    final int size = list.size();
    log.info("Writing " + size + " objects");
    for (final Iterator< ? > it = list.iterator(); it.hasNext();) {
      final Object obj = it.next();
      if (log.isDebugEnabled()) {
        log.debug("loaded object " + obj);
      }
      Hibernate.initialize(obj);
      final Class< ? > targetClass = HibernateProxyHelper.getClassWithoutInitializingProxy(obj);
      final ClassMetadata classMetadata = session.getSessionFactory().getClassMetadata(targetClass);
      if (classMetadata == null) {
        log.fatal("Can't init " + obj + " of type " + targetClass);
        continue;
      }
      // initalisierung des Objekts...
      defaultXStream.marshal(obj, new CompactWriter(new NullWriter()));

      if (preserveIds == false) {
        // Nun kann die ID gelöscht werden
        classMetadata.setIdentifier(obj, null, EntityMode.POJO);
      }
      if (log.isDebugEnabled()) {
        log.debug("loading evicted object " + obj);
      }
      if (this.ignoreFromTopLevelListing.contains(targetClass) == false) {
        all.add(obj);
      }
    }
  }
  // und schreiben
  try {
    writer.write("<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n");
  } catch (final IOException ex) {
    // ignore, will fail on stream.marshal()
  }
  log.info("Wrote " + all.size() + " objects");
  final MarshallingStrategy marshallingStrategy = new ProxyIdRefMarshallingStrategy();
  stream.setMarshallingStrategy(marshallingStrategy);
  stream.marshal(all, new PrettyPrintWriter(writer));
    }
 

protected List< ? > selectUnique(final List< ? > list)
{
  final List< ? > result = (List< ? >) CollectionUtils.select(list, PredicateUtils.uniquePredicate());
  return result;
}
 

protected List<O> selectUnique(final List<O> list)
{
  @SuppressWarnings("unchecked")
  final List<O> result = (List<O>) CollectionUtils.select(list, PredicateUtils.uniquePredicate());
  return result;
}
 

private Predicate getPredicate(KeySearchFilter filter) {
	if(filter == null || filter.isEmpty()) {
		return null;
	}

	List<Predicate> predicates = new ArrayList<Predicate>();

	addPredicateForKeyName(filter.getParam(KeySearchFilter.KEY_NAME), predicates);
	
	Predicate ret = CollectionUtils.isEmpty(predicates) ? null : PredicateUtils.allPredicate(predicates);

	return ret;
}
 

public Predicate getPredicate(SearchFilter filter) {
	if(filter == null || filter.isEmpty()) {
		return null;
	}

	List<Predicate> predicates = new ArrayList<>();
	
	addPredicates(filter, predicates);

	Predicate ret = CollectionUtils.isEmpty(predicates) ? null : PredicateUtils.allPredicate(predicates);

	return ret;
}