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

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

代码示例来源：origin: perfectsense/dari

public Set<UUID> getConcreteTypeIds(Database database) {
  DatabaseEnvironment environment = database.getEnvironment();
  Set<ObjectType> types = getConcreteTypes(environment);
  Set<UUID> typeIds = new HashSet<UUID>();
  addVisibilityAwareTypeIds(database, environment, types, typeIds, getPredicate());
  if (typeIds.isEmpty() || typeIds.remove(null)) {
    for (ObjectType type : types) {
      typeIds.add(type.getId());
    }
  }
  return typeIds;
}

代码示例来源：origin: perfectsense/dari

/**
 * Combines the given {@code predicate} with the current one using
 * {@code OR} logic. If the current predicate is {@code null},
 * the given {@code predicate} replaces it.
 */
public Query<E> or(Predicate predicate) {
  if (predicate != null) {
    Predicate lastPredicate = getPredicate();
    setPredicate(lastPredicate != null
        ? CompoundPredicate.combine(PredicateParser.OR_OPERATOR, lastPredicate, predicate)
        : predicate);
  }
  return this;
}

代码示例来源：origin: perfectsense/dari

/** Builds MongoDB query based on the given {@code query}. */
public DBObject buildMongoQuery(Query<?> query) {
  Predicate predicate = query.getPredicate();
  List<DBObject> mongoChildren = new ArrayList<DBObject>();
  if (predicate != null) {
    mongoChildren.add(buildMongoPredicate(query, predicate));
  }
  if (!query.isFromAll()) {
    Set<ObjectType> types = getEnvironment().getTypesByGroup(query.getGroup());
    List<String> typeIds = new ArrayList<String>();
    for (ObjectType type : types) {
      typeIds.add(type.getId().toString());
    }
    mongoChildren.add(new BasicDBObject(
        TYPE_ID_KEY, new BasicDBObject("$in", typeIds)));
  }
  return new BasicDBObject("$and", mongoChildren);
}

代码示例来源：origin: perfectsense/dari

/**
 * Combines the given {@code predicate} with the current one using
 * {@code NOT} logic. If the current predicate is {@code null},
 * the given {@code predicate} replaces it.
 */
public Query<E> not(Predicate predicate) {
  if (predicate != null) {
    predicate = new CompoundPredicate(PredicateParser.NOT_OPERATOR, Arrays.asList(predicate));
    Predicate lastPredicate = getPredicate();
    setPredicate(lastPredicate != null
        ? CompoundPredicate.combine(PredicateParser.AND_OPERATOR, lastPredicate, predicate)
        : predicate);
  }
  return this;
}

代码示例来源：origin: perfectsense/dari

/**
 * Maps all keys used in this query to the fields of the types in the
 * given {@code environment}. This is a helper method for database
 * implementations and isn't meant for general consumption.
 *
 * @see #mapEmbeddedKey
 */
public Map<String, MappedKey> mapEmbeddedKeys(DatabaseEnvironment environment) {
  Map<String, MappedKey> mappedKeys = new HashMap<String, MappedKey>();
  addMappedPredicate(mappedKeys, environment, getPredicate());
  for (Sorter sorter : getSorters()) {
    Object first = sorter.getOptions().get(0);
    if (first instanceof String) {
      addMappedKey(mappedKeys, environment, (String) first);
    }
  }
  return mappedKeys;
}

代码示例来源：origin: perfectsense/dari

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

代码示例来源：origin: perfectsense/dari

/**
 * Returns a list of values to be matched against the ID if and only if
 * the query contains a single predicate in the form of {@code _id = ?}.
 *
 * @return {@code null} if the query matches against anything other than ID.
 */
public List<Object> findIdOnlyQueryValues() {
  if (getSorters().isEmpty()) {
    Predicate predicate = getPredicate();
    if (predicate instanceof ComparisonPredicate) {
      ComparisonPredicate comparison = (ComparisonPredicate) predicate;
      if (ID_KEY.equals(comparison.getKey())
          && PredicateParser.EQUALS_ANY_OPERATOR.equals(comparison.getOperator())
          && comparison.findValueQuery() == null) {
        return comparison.getValues();
      }
    }
  }
  return null;
}

代码示例来源：origin: perfectsense/dari

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

代码示例来源：origin: perfectsense/dari

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

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

public List<?> findDropDownItems(ObjectField field, Search dropDownSearch) {
  List<?> items;
  if (field.getTypes().contains(ObjectType.getInstance(ObjectType.class))) {
    List<ObjectType> types = new ArrayList<ObjectType>();
    Predicate predicate = dropDownSearch.toQuery(getSite()).getPredicate();
    for (ObjectType t : Database.Static.getDefault().getEnvironment().getTypes()) {
      if (t.is(predicate)) {
        types.add(t);
      }
    }
    items = new ArrayList<Object>(types);
  } else {
    items = dropDownSearch.toQuery(getSite()).selectAll();
  }
  return items;
}

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

private void writeCsvResponse(Context page) throws IOException {
  HttpServletResponse response = page.getResponse();
  response.setContentType("text/csv");
  response.setHeader("Content-Disposition", "attachment; filename=search-result-" + new DateTime(null, page.getUserDateTimeZone()).toString("yyyy-MM-dd-hh-mm-ss") + ".csv");
  page.writeHeaderRow();
  Query searchQuery = page.getSearch().toQuery(page.getSite());
  if (page.getSelection() != null) {
    searchQuery.where(page.getSelection().createItemsQuery().getPredicate());
  }
  addLegacyDatabaseSupport(searchQuery);
  int count = 0;
  for (Object item : searchQuery.iterable(0)) {
    page.writeDataRow(item);
    count++;
    if (count % 10000 == 0) {
      try {
        Thread.sleep(THROTTLE_INTERVAL);
      } catch (InterruptedException e) {
        LOGGER.error(e.getMessage(), e);
      }
    }
  }
}

代码示例来源：origin: perfectsense/dari

@Override
public <T> PaginatedResult<T> readPartial(Query<T> query, long offset, int limit) {
  Client client = openConnection();
  try {
    Set<UUID> typeIds = query.getConcreteTypeIds(this);
    String[] typeIdStrings = typeIds.size() == 0
        ? new String[] { "_all" }
        : typeIds.stream().map(UUID::toString).toArray(String[]::new);
    SearchResponse response = client.prepareSearch(getIndexName())
        .setFetchSource(!query.isReferenceOnly())
        .setTypes(typeIdStrings)
        .setQuery(predicateToQueryBuilder(query.getPredicate()))
        .setFrom((int) offset)
        .setSize(limit)
        .execute()
        .actionGet();
    SearchHits hits = response.getHits();
    List<T> items = new ArrayList<>();
    for (SearchHit hit : hits.getHits()) {
      items.add(createSavedObjectWithHit(hit, query));
    }
    return new PaginatedResult<>(offset, limit, hits.getTotalHits(), items);
  } finally {
    closeConnection(client);
  }
}

代码示例来源：origin: perfectsense/dari

@Override
public int hashCode() {
  return ObjectUtils.hashCode(
      getGroup(),
      getObjectClass(),
      getPredicate(),
      getSorters(),
      getDatabase(),
      getFields(),
      getOptions(),
      isResolveToReferenceOnly(),
      getTimeout());
}

代码示例来源：origin: perfectsense/dari

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

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

@Override
public void writeResultsItemHtml(ToolPageContext page, SearchResultSelection selection) throws IOException {
  Search search = new Search();
  search.setAdditionalPredicate(selection.createItemsQuery().getPredicate().toString());
  search.setLimit(10);
  page.writeStart("tr");
    page.writeStart("td");
      page.writeStart("a",
          "target", "_top",
          "href", page.cmsUrl("/searchAdvancedFull",
              "search", ObjectUtils.toJson(search.getState().getSimpleValues()),
              "view", MixedSearchResultView.class.getCanonicalName()));
        page.writeObjectLabel(selection);
      page.writeEnd();
    page.writeEnd();
    page.writeStart("td");
      Set<ToolEntity> entities = selection.getEntities();
      page.writeHtml(!ObjectUtils.isBlank(entities)
          ? entities.stream().map(e -> e.getState().getLabel()).collect(Collectors.joining(", "))
          : "");
    page.writeEnd();
    page.writeStart("td");
      page.writeHtml(page.localize(SelectionsWidget.class, ImmutableMap.of("count", selection.size()), "numItems"));
    page.writeEnd();
  page.writeEnd();
}

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

public Query<?> toQuery() {
  State state = getState();
  Query<?> query = Query.fromType(getQueryType());
  Predicate predicate = query.getPredicate();
  for (ObjectField field : getIndexedFields()) {
    String name = field.getInternalName();
    Object value = state.get(FIELD_PREFIX + name);
    if (!ObjectUtils.isBlank(value)) {
      String type = field.getInternalItemType();
      String operator = (String) state.get(OPERATOR_PREFIX + name);
      if (operator == null) {
        operator = ObjectField.REFERENTIAL_TEXT_TYPE.equals(type) || ObjectField.TEXT_TYPE.equals(type) ? "matchesAll" : "equalsAny";
      }
      predicate = CompoundPredicate.combine(
          PredicateParser.AND_OPERATOR,
          predicate,
          PredicateParser.Static.parse(name + " " + operator + " ?", value));
    }
  }
  query.setPredicate(predicate);
  ObjectField sortField = getSortField();
  if (ObjectField.DATE_TYPE.equals(sortField.getInternalItemType())) {
    query.sortDescending(sortField.getInternalName());
  } else {
    query.sortAscending(sortField.getInternalName());
  }
  return query;
}

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

private void writeTaxon(Taxon taxon, int nextLevel, String target) throws IOException {
  page.writeStart("li");
    if (taxon.as(Taxon.Data.class).isSelectable()) {
      renderBeforeItem(taxon);
      writeTaxonLabel(taxon);
      renderAfterItem(taxon);
    } else {
      writeTaxonLabel(taxon);
    }
    Predicate predicate = search.toQuery(page.getSite()).getPredicate();
    Collection<? extends Taxon> children = Taxon.Static.getChildren(taxon, predicate);
    if (children != null && !children.isEmpty()) {
      page.writeStart("a",
          "href", page.url("", TAXON_PARENT_ID_PARAMETER, taxon.as(Taxon.Data.class).getId(), TAXON_LEVEL_PARAMETER, nextLevel),
          "class", "searchResultTaxonomyExpand",
          "target", target);
      page.writeEnd();
    }
  page.writeEnd();
}

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

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

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

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