VarHandleByteBufferAccess Class — netty Architecture

Source Code

buffer/src/main/java/io/netty/buffer/VarHandleByteBufferAccess.java lines 29–173

final class VarHandleByteBufferAccess {

    private VarHandleByteBufferAccess() {
    }

    // short (big endian)
    static short getShortBE(ByteBuffer buffer, int index) {
        //noinspection DataFlowIssue
        return (short) PlatformDependent.shortBeByteBufferView().get(buffer, index);
    }

    static void setShortBE(ByteBuffer buffer, int index, int value) {
        //noinspection DataFlowIssue
        PlatformDependent.shortBeByteBufferView().set(buffer, index, (short) value);
    }

    // short (little endian)
    static short getShortLE(ByteBuffer buffer, int index) {
        //noinspection DataFlowIssue
        return (short) PlatformDependent.shortLeByteBufferView().get(buffer, index);
    }

    static void setShortLE(ByteBuffer buffer, int index, int value) {
        //noinspection DataFlowIssue
        PlatformDependent.shortLeByteBufferView().set(buffer, index, (short) value);
    }

    // int (big endian)
    static int getIntBE(ByteBuffer buffer, int index) {
        //noinspection DataFlowIssue
        return (int) PlatformDependent.intBeByteBufferView().get(buffer, index);
    }

    static void setIntBE(ByteBuffer buffer, int index, int value) {
        //noinspection DataFlowIssue
        PlatformDependent.intBeByteBufferView().set(buffer, index, value);
    }

    // int (little endian)
    static int getIntLE(ByteBuffer buffer, int index) {
        //noinspection DataFlowIssue
        return (int) PlatformDependent.intLeByteBufferView().get(buffer, index);
    }

    static void setIntLE(ByteBuffer buffer, int index, int value) {
        //noinspection DataFlowIssue
        PlatformDependent.intLeByteBufferView().set(buffer, index, value);
    }

    // long (big endian)
    static long getLongBE(ByteBuffer buffer, int index) {
        //noinspection DataFlowIssue
        return (long) PlatformDependent.longBeByteBufferView().get(buffer, index);
    }

    static void setLongBE(ByteBuffer buffer, int index, long value) {
        //noinspection DataFlowIssue
        PlatformDependent.longBeByteBufferView().set(buffer, index, value);
    }

    // long (little endian)
    static long getLongLE(ByteBuffer buffer, int index) {
        //noinspection DataFlowIssue
        return (long) PlatformDependent.longLeByteBufferView().get(buffer, index);
    }

    static void setLongLE(ByteBuffer buffer, int index, long value) {
        //noinspection DataFlowIssue
        PlatformDependent.longLeByteBufferView().set(buffer, index, value);
    }

    // --------------------------------------------------------------------
    // byte[] (heap array) accessors
    // These centralize VarHandle.get/set calls for heap arrays as well,
    // so classes like HeapByteBufUtil do not call signature-polymorphic
    // methods directly.
    // Methods must only be called when PlatformDependent.hasVarHandle() is true.
    // --------------------------------------------------------------------

    // short (big endian)
    static short getShortBE(byte[] memory, int index) {