com.psddev.dari.db.Query.getPredicate()方法的使用及代码示例

x33g5p2x  于2022-01-28 转载在 其他  
字(10.1k)|赞(0)|评价(0)|浏览(191)

本文整理了Java中com.psddev.dari.db.Query.getPredicate方法的一些代码示例，展示了Query.getPredicate的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Query.getPredicate方法的具体详情如下：
包路径：com.psddev.dari.db.Query
类名称：Query
方法名：getPredicate

Query.getPredicate介绍

[英]Returns the predicate for filtering the result.
[中]返回用于筛选结果的谓词。

代码示例

代码示例来源：origin: perfectsense/dari

  1. /**
  2.  * Creates an absolute version of the predicate that can be embedded
  3.  * in other queries.
  4.  */
  5. public Predicate createAbsolutePredicate() {
  6.   Predicate predicate = getPredicate();
  7.   return predicate != null ? addPrefix(getGroup() + "/", predicate) : null;
  8. }

代码示例来源：origin: perfectsense/dari

  1. public Set<UUID> getConcreteTypeIds(Database database) {
  2.   DatabaseEnvironment environment = database.getEnvironment();
  3.   Set<ObjectType> types = getConcreteTypes(environment);
  4.   Set<UUID> typeIds = new HashSet<UUID>();
  5.   addVisibilityAwareTypeIds(database, environment, types, typeIds, getPredicate());
  6.   if (typeIds.isEmpty() || typeIds.remove(null)) {
  7.     for (ObjectType type : types) {
  8.       typeIds.add(type.getId());
  9.     }
  10.   }
  11.   return typeIds;
  12. }

代码示例来源：origin: perfectsense/dari

  1. /**
  2.  * Combines the given {@code predicate} with the current one using
  3.  * {@code OR} logic. If the current predicate is {@code null},
  4.  * the given {@code predicate} replaces it.
  5.  */
  6. public Query<E> or(Predicate predicate) {
  7.   if (predicate != null) {
  8.     Predicate lastPredicate = getPredicate();
  9.     setPredicate(lastPredicate != null
  10.         ? CompoundPredicate.combine(PredicateParser.OR_OPERATOR, lastPredicate, predicate)
  11.         : predicate);
  12.   }
  13.   return this;
  14. }

代码示例来源：origin: perfectsense/dari

  1. /** Builds MongoDB query based on the given {@code query}. */
  2. public DBObject buildMongoQuery(Query<?> query) {
  3.   Predicate predicate = query.getPredicate();
  4.   List<DBObject> mongoChildren = new ArrayList<DBObject>();
  5.   if (predicate != null) {
  6.     mongoChildren.add(buildMongoPredicate(query, predicate));
  7.   }
  8.   if (!query.isFromAll()) {
  9.     Set<ObjectType> types = getEnvironment().getTypesByGroup(query.getGroup());
  10.     List<String> typeIds = new ArrayList<String>();
  11.     for (ObjectType type : types) {
  12.       typeIds.add(type.getId().toString());
  13.     }
  14.     mongoChildren.add(new BasicDBObject(
  15.         TYPE_ID_KEY, new BasicDBObject("$in", typeIds)));
  16.   }
  17.   return new BasicDBObject("$and", mongoChildren);
  18. }

代码示例来源：origin: perfectsense/dari

  1. /**
  2.  * Combines the given {@code predicate} with the current one using
  3.  * {@code NOT} logic. If the current predicate is {@code null},
  4.  * the given {@code predicate} replaces it.
  5.  */
  6. public Query<E> not(Predicate predicate) {
  7.   if (predicate != null) {
  8.     predicate = new CompoundPredicate(PredicateParser.NOT_OPERATOR, Arrays.asList(predicate));
  9.     Predicate lastPredicate = getPredicate();
  10.     setPredicate(lastPredicate != null
  11.         ? CompoundPredicate.combine(PredicateParser.AND_OPERATOR, lastPredicate, predicate)
  12.         : predicate);
  13.   }
  14.   return this;
  15. }

代码示例来源：origin: perfectsense/dari

  1. /**
  2.  * Maps all keys used in this query to the fields of the types in the
  3.  * given {@code environment}. This is a helper method for database
  4.  * implementations and isn't meant for general consumption.
  5.  *
  6.  * @see #mapEmbeddedKey
  7.  */
  8. public Map<String, MappedKey> mapEmbeddedKeys(DatabaseEnvironment environment) {
  9.   Map<String, MappedKey> mappedKeys = new HashMap<String, MappedKey>();
  10.   addMappedPredicate(mappedKeys, environment, getPredicate());
  11.   for (Sorter sorter : getSorters()) {
  12.     Object first = sorter.getOptions().get(0);
  13.     if (first instanceof String) {
  14.       addMappedKey(mappedKeys, environment, (String) first);
  15.     }
  16.   }
  17.   return mappedKeys;
  18. }

代码示例来源：origin: perfectsense/dari

  1. Predicate lastPredicate = getPredicate();
  2. setPredicate(lastPredicate != null
  3.     ? CompoundPredicate.combine(PredicateParser.AND_OPERATOR, lastPredicate, predicate)

代码示例来源：origin: perfectsense/dari

  1. /**
  2.  * Returns a list of values to be matched against the ID if and only if
  3.  * the query contains a single predicate in the form of {@code _id = ?}.
  4.  *
  5.  * @return {@code null} if the query matches against anything other than ID.
  6.  */
  7. public List<Object> findIdOnlyQueryValues() {
  8.   if (getSorters().isEmpty()) {
  9.     Predicate predicate = getPredicate();
  10.     if (predicate instanceof ComparisonPredicate) {
  11.       ComparisonPredicate comparison = (ComparisonPredicate) predicate;
  12.       if (ID_KEY.equals(comparison.getKey())
  13.           && PredicateParser.EQUALS_ANY_OPERATOR.equals(comparison.getOperator())
  14.           && comparison.findValueQuery() == null) {
  15.         return comparison.getValues();
  16.       }
  17.     }
  18.   }
  19.   return null;
  20. }

代码示例来源：origin: perfectsense/dari

  1. if (query.getSorters().isEmpty()) {
  2.   Predicate predicate = query.getPredicate();
  3.   if (predicate instanceof CompoundPredicate) {
  4.       && query.getPredicate() == null) {

代码示例来源：origin: perfectsense/dari

  1. if (query.getSorters().isEmpty()) {
  2.   Predicate predicate = query.getPredicate();
  3.   if (predicate instanceof CompoundPredicate) {
  4.       && query.getPredicate() == null) {

代码示例来源：origin: perfectsense/brightspot-cms

  1. public List<?> findDropDownItems(ObjectField field, Search dropDownSearch) {
  2.   List<?> items;
  3.   if (field.getTypes().contains(ObjectType.getInstance(ObjectType.class))) {
  4.     List<ObjectType> types = new ArrayList<ObjectType>();
  5.     Predicate predicate = dropDownSearch.toQuery(getSite()).getPredicate();
  6.     for (ObjectType t : Database.Static.getDefault().getEnvironment().getTypes()) {
  7.       if (t.is(predicate)) {
  8.         types.add(t);
  9.       }
  10.     }
  11.     items = new ArrayList<Object>(types);
  12.   } else {
  13.     items = dropDownSearch.toQuery(getSite()).selectAll();
  14.   }
  15.   return items;
  16. }

代码示例来源：origin: perfectsense/brightspot-cms

  1. private void writeCsvResponse(Context page) throws IOException {
  2.   HttpServletResponse response = page.getResponse();
  3.   response.setContentType("text/csv");
  4.   response.setHeader("Content-Disposition", "attachment; filename=search-result-" + new DateTime(null, page.getUserDateTimeZone()).toString("yyyy-MM-dd-hh-mm-ss") + ".csv");
  5.   page.writeHeaderRow();
  6.   Query searchQuery = page.getSearch().toQuery(page.getSite());
  7.   if (page.getSelection() != null) {
  8.     searchQuery.where(page.getSelection().createItemsQuery().getPredicate());
  9.   }
  10.   addLegacyDatabaseSupport(searchQuery);
  11.   int count = 0;
  12.   for (Object item : searchQuery.iterable(0)) {
  13.     page.writeDataRow(item);
  14.     count++;
  15.     if (count % 10000 == 0) {
  16.       try {
  17.         Thread.sleep(THROTTLE_INTERVAL);
  18.       } catch (InterruptedException e) {
  19.         LOGGER.error(e.getMessage(), e);
  20.       }
  21.     }
  22.   }
  23. }

代码示例来源：origin: perfectsense/dari

  1. @Override
  2. public <T> PaginatedResult<T> readPartial(Query<T> query, long offset, int limit) {
  3.   Client client = openConnection();
  4.   try {
  5.     Set<UUID> typeIds = query.getConcreteTypeIds(this);
  6.     String[] typeIdStrings = typeIds.size() == 0
  7.         ? new String[] { "_all" }
  8.         : typeIds.stream().map(UUID::toString).toArray(String[]::new);
  9.     SearchResponse response = client.prepareSearch(getIndexName())
  10.         .setFetchSource(!query.isReferenceOnly())
  11.         .setTypes(typeIdStrings)
  12.         .setQuery(predicateToQueryBuilder(query.getPredicate()))
  13.         .setFrom((int) offset)
  14.         .setSize(limit)
  15.         .execute()
  16.         .actionGet();
  17.     SearchHits hits = response.getHits();
  18.     List<T> items = new ArrayList<>();
  19.     for (SearchHit hit : hits.getHits()) {
  20.       items.add(createSavedObjectWithHit(hit, query));
  21.     }
  22.     return new PaginatedResult<>(offset, limit, hits.getTotalHits(), items);
  23.   } finally {
  24.     closeConnection(client);
  25.   }
  26. }

代码示例来源：origin: perfectsense/dari

  1. @Override
  2. public int hashCode() {
  3.   return ObjectUtils.hashCode(
  4.       getGroup(),
  5.       getObjectClass(),
  6.       getPredicate(),
  7.       getSorters(),
  8.       getDatabase(),
  9.       getFields(),
  10.       getOptions(),
  11.       isResolveToReferenceOnly(),
  12.       getTimeout());
  13. }

代码示例来源：origin: perfectsense/dari

  1. if (query.getPredicate() == null) {
  2.   throw new IllegalStateException("No unique indexes!");

代码示例来源：origin: perfectsense/brightspot-cms

  1. @Override
  2. public void writeResultsItemHtml(ToolPageContext page, SearchResultSelection selection) throws IOException {
  3.   Search search = new Search();
  4.   search.setAdditionalPredicate(selection.createItemsQuery().getPredicate().toString());
  5.   search.setLimit(10);
  6.   page.writeStart("tr");
  7.     page.writeStart("td");
  8.       page.writeStart("a",
  9.           "target", "_top",
  10.           "href", page.cmsUrl("/searchAdvancedFull",
  11.               "search", ObjectUtils.toJson(search.getState().getSimpleValues()),
  12.               "view", MixedSearchResultView.class.getCanonicalName()));
  13.         page.writeObjectLabel(selection);
  14.       page.writeEnd();
  15.     page.writeEnd();
  16.     page.writeStart("td");
  17.       Set<ToolEntity> entities = selection.getEntities();
  18.       page.writeHtml(!ObjectUtils.isBlank(entities)
  19.           ? entities.stream().map(e -> e.getState().getLabel()).collect(Collectors.joining(", "))
  20.           : "");
  21.     page.writeEnd();
  22.     page.writeStart("td");
  23.       page.writeHtml(page.localize(SelectionsWidget.class, ImmutableMap.of("count", selection.size()), "numItems"));
  24.     page.writeEnd();
  25.   page.writeEnd();
  26. }

代码示例来源：origin: perfectsense/brightspot-cms

  1. public Query<?> toQuery() {
  2.   State state = getState();
  3.   Query<?> query = Query.fromType(getQueryType());
  4.   Predicate predicate = query.getPredicate();
  5.   for (ObjectField field : getIndexedFields()) {
  6.     String name = field.getInternalName();
  7.     Object value = state.get(FIELD_PREFIX + name);
  8.     if (!ObjectUtils.isBlank(value)) {
  9.       String type = field.getInternalItemType();
  10.       String operator = (String) state.get(OPERATOR_PREFIX + name);
  11.       if (operator == null) {
  12.         operator = ObjectField.REFERENTIAL_TEXT_TYPE.equals(type) || ObjectField.TEXT_TYPE.equals(type) ? "matchesAll" : "equalsAny";
  13.       }
  14.       predicate = CompoundPredicate.combine(
  15.           PredicateParser.AND_OPERATOR,
  16.           predicate,
  17.           PredicateParser.Static.parse(name + " " + operator + " ?", value));
  18.     }
  19.   }
  20.   query.setPredicate(predicate);
  21.   ObjectField sortField = getSortField();
  22.   if (ObjectField.DATE_TYPE.equals(sortField.getInternalItemType())) {
  23.     query.sortDescending(sortField.getInternalName());
  24.   } else {
  25.     query.sortAscending(sortField.getInternalName());
  26.   }
  27.   return query;
  28. }

代码示例来源：origin: perfectsense/brightspot-cms

  1. private void writeTaxon(Taxon taxon, int nextLevel, String target) throws IOException {
  2.   page.writeStart("li");
  3.     if (taxon.as(Taxon.Data.class).isSelectable()) {
  4.       renderBeforeItem(taxon);
  5.       writeTaxonLabel(taxon);
  6.       renderAfterItem(taxon);
  7.     } else {
  8.       writeTaxonLabel(taxon);
  9.     }
  10.     Predicate predicate = search.toQuery(page.getSite()).getPredicate();
  11.     Collection<? extends Taxon> children = Taxon.Static.getChildren(taxon, predicate);
  12.     if (children != null && !children.isEmpty()) {
  13.       page.writeStart("a",
  14.           "href", page.url("", TAXON_PARENT_ID_PARAMETER, taxon.as(Taxon.Data.class).getId(), TAXON_LEVEL_PARAMETER, nextLevel),
  15.           "class", "searchResultTaxonomyExpand",
  16.           "target", target);
  17.       page.writeEnd();
  18.     }
  19.   page.writeEnd();
  20. }

代码示例来源：origin: perfectsense/brightspot-cms

  1. Predicate predicate = search.toQuery(page.getSite()).getPredicate();

代码示例来源：origin: perfectsense/brightspot-cms

  1. Predicate predicate = search.toQuery(page.getSite()).getPredicate();

内容来源于网络，如有侵权，请联系作者删除！

query

相关文章

    查看更多

    热门标签

    更多
    JavaquerypythonNode开发语言requestUtil数据库Table后端算法LoggerMessageElementParser

    最新文章

    更多
    • 蜀ICP备13028337号-1 大数据知识库 https://www.saoniuhuo.com © All rights reserved
    • 本站内容来源互联网,如果侵犯您的权益请联系我们删除, 联系方式：448109455@qq.com