public void setValueLength(int valueLength) {
    if (valueLength < 0) {
      throw new IllegalStateException(
          "Expected DiskId valueLength " + valueLength + " to be >= 0.");
    }
    this.valueLength = (this.valueLength & (0x80000000)) | valueLength;
  }
@param valueLength The valueLength to set.
geode-core/src/main/java/org/apache/geode/internal/cache/DiskId.java