Method checkState

output/java_guava/1.4.18/Preconditions.java:455–459

Ensures the truth of an expression involving the state of the calling instance, but not involving any parameters to the calling method. @param expression a boolean expression @throws IllegalStateException if expression is false

(boolean expression)

  public static void checkState(boolean expression) {
    if (!expression) {
      throw new IllegalStateException();
    }
  }

  /**
   * Ensures the truth of an expression involving the state of the calling instance, but not