static final String toHex()

in src/main/java/org/apache/datasketches/memory/internal/ResourceImpl.java [256:297]
38 lines of code
6 McCabe index (conditional complexity)

  static final String toHex(final ResourceImpl resourceImpl, final String comment, final long offsetBytes,
      final int lengthBytes, final boolean withData) {
    final MemorySegment seg = resourceImpl.seg;
    final long capacity = seg.byteSize();
    checkBounds(offsetBytes, lengthBytes, capacity);
    final StringBuilder sb = new StringBuilder();
    final String theComment = (comment != null) ? comment : "";
    final String addHCStr = Integer.toHexString(Long.hashCode(seg.address()));
    final MemoryRequestServer memReqSvr = resourceImpl.getMemoryRequestServer();
    final String memReqStr = memReqSvr != null
        ? memReqSvr.getClass().getSimpleName() + ", " + Integer.toHexString(memReqSvr.hashCode())
        : "null";

    sb.append(LS + "### DataSketches Memory Component SUMMARY ###").append(LS);
    sb.append("Optional Comment       : ").append(theComment).append(LS);
    sb.append("TypeId String          : ").append(typeDecode(resourceImpl.typeId)).append(LS);
    sb.append("OffsetBytes            : ").append(offsetBytes).append(LS);
    sb.append("LengthBytes            : ").append(lengthBytes).append(LS);
    sb.append("Capacity               : ").append(capacity).append(LS);
    sb.append("MemoryAddress hashCode : ").append(addHCStr).append(LS);
    sb.append("MemReqSvr, hashCode    : ").append(memReqStr).append(LS);
    sb.append("Read Only              : ").append(resourceImpl.isReadOnly()).append(LS);
    sb.append("Type Byte Order        : ").append(resourceImpl.getTypeByteOrder().toString()).append(LS);
    sb.append("Native Byte Order      : ").append(ByteOrder.nativeOrder().toString()).append(LS);
    sb.append("JDK Runtime Version    : ").append(JDK).append(LS);

    //Data detail
    if (withData) {
      sb.append("Data, LittleEndian     :  0  1  2  3  4  5  6  7");
      for (long i = 0; i < lengthBytes; i++) {
        final int b = seg.get(ValueLayout.JAVA_BYTE, offsetBytes + i) & 0XFF;
        if (i % 8 == 0) { //row header
          sb.append(String.format("%n%23s: ", offsetBytes + i));
        }
        sb.append(String.format("%02x ", b));
      }
    }
    sb.append(LS + "### END SUMMARY ###");
    sb.append(LS);

    return sb.toString();
  }