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Secondary sort order in Market Offer Lists #4168

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Secondary sort order in Market Offer Lists #4168

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d9d097d
Secondary sort order for market offer book
freimair Apr 14, 2020
95fdca5
Fixed possible NPEx
freimair Apr 14, 2020
9b00679
Add javadoc
freimair May 4, 2020
f3dc42e
Update desktop/src/main/java/bisq/desktop/main/market/offerbook/Offer…
freimair May 11, 2020
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13 changes: 10 additions & 3 deletions desktop/src/main/java/bisq/desktop/main/market/offerbook/OfferBookChartViewModel.java
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Original file line number Diff line number Diff line change
Expand Up @@ -280,7 +280,7 @@ private void updateChartData() {
.map(OfferBookListItem::getOffer)
.filter(e -> e.getCurrencyCode().equals(selectedTradeCurrencyProperty.get().getCode())
&& e.getDirection().equals(OfferPayload.Direction.BUY))
.sorted(getComparator(false))
.sorted(getComparatorWithSecondarySortOrder(false))
.collect(Collectors.toList());

final Optional<Offer> highestBuyPriceOffer = allBuyOffers.stream()
Expand Down Expand Up @@ -309,7 +309,7 @@ private void updateChartData() {
.map(OfferBookListItem::getOffer)
.filter(e -> e.getCurrencyCode().equals(selectedTradeCurrencyProperty.get().getCode())
&& e.getDirection().equals(OfferPayload.Direction.SELL))
.sorted(getComparator(true))
.sorted(getComparatorWithSecondarySortOrder(true))
.collect(Collectors.toList());

final Optional<Offer> highestSellPriceOffer = allSellOffers.stream()
Expand All @@ -333,7 +333,14 @@ private void updateChartData() {
buildChartAndTableEntries(allSellOffers, OfferPayload.Direction.SELL, sellData, topSellOfferList);
}

private Comparator<Offer> getComparator(boolean reversePrimarySortOrder) {
/**
* Returns a comparator to be used for Offers. Sorts primarily for price and
* secondarily for offer volume.
*
* @param reversePrimarySortOrder
* @return
*/
private Comparator<Offer> getComparatorWithSecondarySortOrder(boolean reversePrimarySortOrder) {
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I think this name is preferable: getOfferComparator(...). The problem with getComparator was just that it didn't mention the object of comparison.

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Not requesting this change, since the whole method should be unnecessary.

Comparator<Offer> primary = Comparator.comparing(Offer::getPrice, (o1, o2) -> {
long a = o1 != null ? o1.getValue() : 0;
long b = o2 != null ? o2.getValue() : 0;
Expand Down