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com.barchart.feed.ddf.message.enums.DDF_Session Maven / Gradle / Ivy
/**
* Copyright (C) 2011-2012 Barchart, Inc. COMP_CODE = new Comparator() {
@Override
public int compare(final DDF_Session o1, final DDF_Session o2) {
if (o1 == null || o2 == null) {
return 0;
}
if (o1.code > o2.code) {
return +1;
}
if (o1.code < o2.code) {
return -1;
}
return 0;
}
};
/**
* The main method.
*
* @param strings
* the arguments
*/
public static void main(final String... strings) {
log.debug("init");
final DDF_Session[] array = values();
Arrays.sort(array, COMP_CODE);
for (final DDF_Session entry : array) {
log.debug("\t {}", entry);
}
}
/*
* (non-Javadoc)
*
* @see java.lang.Enum#toString()
*/
@Override
public String toString() {
return String.format("%40s '%c' %4s", name(), code, type);
}
/*
* (non-Javadoc)
*
* @see com.barchart.util.enums.EnumByteOrdinal#ord()
*/
@Override
public final byte ord() {
return ord;
}
/*
* (non-Javadoc)
*
* @see com.barchart.util.enums.EnumCodeByte#code()
*/
@Override
public final byte code() {
return code;
}
/** The ord. */
public final byte ord;
/** The code. */
public final byte code;
/** The exchange. */
public final byte exch;
/** The trade type. */
public final MarketTradeType type;
/** The session. */
public final MarketTradeSession session;
/** The sequencing hint. */
public final MarketTradeSequencing sequencing;
private DDF_Session(final byte code, final MarketTradeType mtt) {
this(code, DDF_Exchange.UNKNOWN, mtt, mtt.session, mtt.sequencing);
}
private DDF_Session(final byte code, final DDF_Exchange exch,
final MarketTradeType mtt, final MarketTradeSequencing mtsq) {
this(code, exch, mtt, mtt.session, mtsq);
}
private DDF_Session(final byte code, final DDF_Exchange exch,
final MarketTradeType mtt, final MarketTradeSession mts,
final MarketTradeSequencing mtsq) {
this.ord = (byte) ordinal();
this.code = code;
this.exch = exch.ord;
this.type = mtt;
this.session = mts;
this.sequencing = mtsq;
}
private final static DDF_Session[] ENUM_VALS = values();
/**
* Values unsafe.
*
* @return the dD f_ session[]
*/
@Deprecated
public final static DDF_Session[] valuesUnsafe() {
return ENUM_VALS;
}
static {
// validate use of byte ord
MathExtra.castIntToByte(ENUM_VALS.length);
}
/**
* From ord.
*
* @param ord
* the ord
* @return the dD f_ session
*/
public final static DDF_Session fromOrd(final byte ord) {
return ENUM_VALS[ord];
}
//
/**
* Special casing for duplicate session codes that are handled different
* across exchanges
*/
private static DDF_Session resolve(final DDF_Session known,
final byte exchOrd) {
if (known.code == _G_) {
/* duplicate session code in future and stock (different meaning) */
final DDF_Exchange exch = DDF_Exchange.fromOrd(exchOrd);
if (exch.kind == DDF_ExchangeKind.FUTURE) {
// electronic session for future
return $_G_NET;
} else {
// default session for stock
return $_G_COM;
}
}
return known;
}
/**
* NOTE: ORD vs CODE.
*
* @param exchOrd
* the exch ord
* @param sessCode
* the sess code
* @return the dD f_ session
*/
public final static DDF_Session fromPair(final byte exchOrd,
final byte sessCode) {
for (final DDF_Session known : ENUM_VALS) {
if (known.code == sessCode) {
return resolve(known, exchOrd);
}
}
// log.debug("### UNKNOWN session code : {}", sessCode);
return UNKNOWN;
}
/**
* Checks if is known.
*
* @return true, if is known
*/
public final boolean isKnown() {
return this != UNKNOWN;
}
}
