diff options
Diffstat (limited to 'src/eu/equalparts/cardbase')
| -rw-r--r-- | src/eu/equalparts/cardbase/Cardbase.java | 67 | ||||
| -rw-r--r-- | src/eu/equalparts/cardbase/cards/Card.java | 34 | ||||
| -rw-r--r-- | src/eu/equalparts/cardbase/decks/ReferenceDeck.java | 5 | ||||
| -rw-r--r-- | src/eu/equalparts/cardbase/utils/UID.java | 33 |
4 files changed, 69 insertions, 70 deletions
diff --git a/src/eu/equalparts/cardbase/Cardbase.java b/src/eu/equalparts/cardbase/Cardbase.java index f95e19b..bdbdeb8 100644 --- a/src/eu/equalparts/cardbase/Cardbase.java +++ b/src/eu/equalparts/cardbase/Cardbase.java @@ -19,7 +19,6 @@ import eu.equalparts.cardbase.comparator.CardComparator; import eu.equalparts.cardbase.decks.ReferenceDeck; import eu.equalparts.cardbase.decks.StandaloneDeck; import eu.equalparts.cardbase.utils.JSON; -import eu.equalparts.cardbase.utils.UID; /** * Provides a variety of utility methods to interact with an optionally loaded cardbase. @@ -32,7 +31,7 @@ public class Cardbase { * The cards in the cardbase, set in key-value pairs where the key is the card hash, * generated using {makeHash()}. */ - private Map<String, Card> cards; + private Map<Integer, Card> cards; /** * The decks which have been saved along with this collection of cards. */ @@ -53,14 +52,14 @@ public class Cardbase { * @throws IOException if a low-level I/O problem (unexpected end-of-input, network error) occurs. */ public Cardbase(File cardbaseFile) throws JsonParseException, JsonMappingException, IOException { - cards = JSON.mapper.readValue(cardbaseFile, new TypeReference<Map<String, Card>>() {}); + cards = JSON.mapper.readValue(cardbaseFile, new TypeReference<Map<Integer, Card>>() {}); } /** * Initialises a clean cardbase. */ public Cardbase() { - cards = new HashMap<String, Card>(); + cards = new HashMap<Integer, Card>(); decks = new HashMap<String, ReferenceDeck>(); } @@ -88,11 +87,11 @@ public class Cardbase { * already exists. */ public void addCard(Card cardToAdd) { - Card card = getCard(cardToAdd.setCode, cardToAdd.number); + Card card = getCardByHash(cardToAdd.hashCode()); if (card != null) { card.count += cardToAdd.count; } else { - cards.put(UID.makeHash(cardToAdd), cardToAdd); + cards.put(cardToAdd.hashCode(), cardToAdd); } } @@ -113,11 +112,11 @@ public class Cardbase { * @return the number of cards actually removed. */ public Integer removeCard(Card cardToRemove) { - Card card = getCard(cardToRemove.setCode, cardToRemove.number); + Card card = getCardByHash(cardToRemove.hashCode()); Integer removed = 0; if (card != null) { if (card.count <= cardToRemove.count) { - cards.remove(UID.makeHash(card)); + cards.remove(card.hashCode()); removed = card.count; } else { card.count -= cardToRemove.count; @@ -127,6 +126,30 @@ public class Cardbase { return removed; } +// /** +// * Returns a card from the cardbase by set code and number. +// * If no such card is in the cardbase, returns null. +// * +// * @param setCode the set to which the requested card belongs. +// * @param number the requested card's set number. +// * @return the requested {@code Card} or null if no card is found. +// */ + public Card getCard(String setCode, String number) { + return cards.get(Card.makeHash(setCode, number)); + } + + /** + * Returns a card from the cardbase by hash. The card's hash + * can be generated using {@code Cardbase.makeHash()}. + * If no such card is in the cardbase, returns null. + * + * @param hash the Cardbase hash of the requested card. + * @return the requested {@code Card} or null if no card is found. + */ + protected Card getCardByHash(Integer hash) { + return cards.get(hash); + } + /** * This method is intended to allow iteration directly on the list of cards, * while at the same time retaining control over the insert and remove procedures. @@ -150,30 +173,6 @@ public class Cardbase { return Collections.unmodifiableCollection(sortedCards); } - /** - * Returns a card from the cardbase by set code and number. - * If no such card is in the cardbase, returns null. - * - * @param setCode the set to which the requested card belongs. - * @param number the requested card's set number. - * @return the requested {@code Card} or null if no card is found. - */ - public Card getCard(String setCode, String number) { - return cards.get(UID.makeHash(setCode, number)); - } - - /** - * Returns a card from the cardbase by hash. The card's hash - * can be generated using {@code Cardbase.makeHash()}. - * If no such card is in the cardbase, returns null. - * - * @param hash the Cardbase hash of the requested card. - * @return the requested {@code Card} or null if no card is found. - */ - public Card getCardByHash(String hash) { - return cards.get(hash); - } - public Map<String, ReferenceDeck> getDecks() { return Collections.unmodifiableMap(decks); } @@ -181,7 +180,7 @@ public class Cardbase { public List<Card> getMissingCards(StandaloneDeck deckToCheck) { List<Card> missingCards = new ArrayList<Card>(); for (Card card : deckToCheck.cards) { - String hash = UID.makeHash(card); + Integer hash = card.hashCode(); if (cards.containsKey(hash)) { if (cards.get(hash).count < card.count) { Card missingCard = card.clone(); @@ -217,7 +216,7 @@ public class Cardbase { standaloneDeck.mountains = referenceDeck.mountains; standaloneDeck.forests = referenceDeck.forests; - for (String cardHash : referenceDeck.cardReferences.keySet()) { + for (Integer cardHash : referenceDeck.cardReferences.keySet()) { Card card = getCardByHash(cardHash); if (card != null) { // must clone otherwise the original count is affected too diff --git a/src/eu/equalparts/cardbase/cards/Card.java b/src/eu/equalparts/cardbase/cards/Card.java index 419861b..1d8fbb9 100644 --- a/src/eu/equalparts/cardbase/cards/Card.java +++ b/src/eu/equalparts/cardbase/cards/Card.java @@ -57,5 +57,39 @@ public class Card { return clone; } + + public static int makeHash(String setCode, String number) { + final int prime = 31; + int result = 1; + result = prime * result + ((number == null) ? 0 : number.hashCode()); + result = prime * result + ((setCode == null) ? 0 : setCode.hashCode()); + return result; + } + @Override + public int hashCode() { + return makeHash(setCode, number); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) + return true; + if (obj == null) + return false; + if (getClass() != obj.getClass()) + return false; + Card other = (Card) obj; + if (number == null) { + if (other.number != null) + return false; + } else if (!number.equals(other.number)) + return false; + if (setCode == null) { + if (other.setCode != null) + return false; + } else if (!setCode.equals(other.setCode)) + return false; + return true; + } }
\ No newline at end of file diff --git a/src/eu/equalparts/cardbase/decks/ReferenceDeck.java b/src/eu/equalparts/cardbase/decks/ReferenceDeck.java index 9e8695b..5650d2f 100644 --- a/src/eu/equalparts/cardbase/decks/ReferenceDeck.java +++ b/src/eu/equalparts/cardbase/decks/ReferenceDeck.java @@ -4,11 +4,10 @@ import java.util.HashMap; import java.util.Map; import eu.equalparts.cardbase.cards.Card; -import eu.equalparts.cardbase.utils.UID; public class ReferenceDeck extends Deck { - public Map<String, Integer> cardReferences = new HashMap<String, Integer>(); + public Map<Integer, Integer> cardReferences = new HashMap<Integer, Integer>(); public ReferenceDeck() { @@ -23,7 +22,7 @@ public class ReferenceDeck extends Deck { this.forests = deck.forests; for (Card card : deck.cards) { - cardReferences.put(UID.makeHash(card), card.count); + cardReferences.put(card.hashCode(), card.count); } } diff --git a/src/eu/equalparts/cardbase/utils/UID.java b/src/eu/equalparts/cardbase/utils/UID.java deleted file mode 100644 index ae4a11d..0000000 --- a/src/eu/equalparts/cardbase/utils/UID.java +++ /dev/null @@ -1,33 +0,0 @@ -package eu.equalparts.cardbase.utils; - -import eu.equalparts.cardbase.cards.Card; - -public class UID { - - /** - * Used in the hash generation. - */ - private static final String HASH_DIVIDER = "~"; - - /** - * Generate the hash used as a key in the storage map. - * - * @param setCode the card's set code. - * @param number the card's set number. - * @return the generated hash. - */ - public static String makeHash(String setCode, String number) { - return setCode + HASH_DIVIDER + number; - } - - /** - * Generate the hash used as a key in the storage map. - * - * @param the {@code Card} whose hash is desired. - * @return the generated hash. - */ - public static String makeHash(Card card) { - return card.setCode + HASH_DIVIDER + card.number; - } - -} |