com.codepoetics.fluvius.exceptions.MissingKeysException Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of fluvius-api Show documentation

There is a newer version: 1.10

package com.codepoetics.fluvius.exceptions;

import com.codepoetics.fluvius.api.scratchpad.Key;

import java.util.Set;

/**
 * Thrown when a Flow is executed but the supplied Scratchpad does not contain all of the keys required by the Flow.
 */
public final class MissingKeysException extends RuntimeException {

  /**
   * Create a MissingKeysException.
   * @param missingKeys The Set of Keys which were missing.
   * @return The exception.
   */
  public static MissingKeysException create(Set> missingKeys) {
    StringBuilder sb = new StringBuilder();
    sb.append("Missing keys: ");
    boolean isFirst = true;

    for (Key key : missingKeys) {
      if (isFirst) {
        isFirst = false;
      } else {
        sb.append(",");
      }
      sb.append(key.getName());
    }

    return new MissingKeysException(sb.toString());
  }

  private MissingKeysException(String message) {
    super(message);
  }

}