* This implementation requires O(|N|) time. Classes extending this one may manually keep track of
   * the number of edges as the graph is updated, and override this method for better performance.
   */
  protected long edgeCount() {
    long degreeSum = 0L;
    for (N node : nodes()) {
      degreeSum += degree(node);
    }
    // According to the degree sum formula, this is equal to twice the number of edges.
    checkState((degreeSum & 1) == 0);

@app.post("/items/", response_model=Item, summary="Create an item")
async def create_item(item: Item):
    """
    Create an item with all the information:

    - **name**: each item must have a name
    - **description**: a long description
    - **price**: required
    - **tax**: if the item doesn't have tax, you can omit this
    - **tags**: a set of unique tag strings for this item
    \f
    :param item: User input.
    """

    response_description="The created item",
)
async def create_item(item: Item):
    """
    Create an item with all the information:

    - **name**: each item must have a name
    - **description**: a long description
    - **price**: required
    - **tax**: if the item doesn't have tax, you can omit this
    - **tags**: a set of unique tag strings for this item
    """

    @Required
    @Min(value = 0)
    @Max(value = 2147483647)
    @ValidateTypeFailure
    public Integer sortOrder;

    @Size(max = 1000)
    public String createdBy;

    @ValidateTypeFailure
    public Long createdTime;

    @Size(max = 1000)
    public String userAgent;

    public void initialize() {
        crudMode = CrudMode.CREATE;
        sortOrder = 0;

public class ComputationException extends RuntimeException {
  /** Creates a new instance with the given cause. */
  public ComputationException(@CheckForNull Throwable cause) {
    super(cause);
  }

  private static final long serialVersionUID = 0;

 */
package org.codelibs.core.exception;

/**
 * 空の場合にスローされる例外です。
 *
 * @author higa
 */
public class EmptyArgumentException extends ClIllegalArgumentException {

    private static final long serialVersionUID = 4625805280526951642L;

    /**
     * {@link EmptyArgumentException}を作成します。
     *
     * @param argName
     *            引数の名前
     * @param messageCode
     *            メッセージコード

  }
  std::string value_string;
  if (!SummarizeValue(value_string).ok()) {
    value_string = "<error computing value>";
  }
  if (value_string.length() > 100) {
    // The default NumPy-style output can be distractingly long in error
    // messages.
    value_string = absl::StrCat(value_string.substr(0, 100), " [...]");
  }
  absl::Status s;
  const char* device_name = DeviceName(&s);
  if (!s.ok()) {

import org.opensearch.index.analysis.AbstractTokenFilterFactory;

public class ReloadableKeywordMarkerFilterFactory extends AbstractTokenFilterFactory {

    private final Path keywordPath;

    private final long reloadInterval;

    public ReloadableKeywordMarkerFilterFactory(final IndexSettings indexSettings, final Environment environment, final String name,
            final Settings settings) {

import org.opensearch.index.analysis.AbstractTokenFilterFactory;

public class ReloadableStopFilterFactory extends AbstractTokenFilterFactory {

    private final Path stopwordPath;

    private final long reloadInterval;

    private final boolean ignoreCase;

    public ReloadableStopFilterFactory(final IndexSettings indexSettings, final Environment environment, final String name,
            final Settings settings) {

            // system shutdown
            return false;
        }

        boolean isContinue = false;
        if (tcCount < crawlerContext.maxThreadCheckCount) {
            final long maxAccessCount = crawlerContext.getMaxAccessCount();
            if (maxAccessCount > 0 && crawlerContext.getAccessCount() >= maxAccessCount) {
                return false;
            }
            isContinue = true;