[52] | 1 | package geniusweb.inform;
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| 2 |
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| 3 | import java.util.Collections;
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| 4 | import java.util.HashMap;
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| 5 | import java.util.Map;
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| 6 | import java.util.Set;
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| 7 | import java.util.stream.Collectors;
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| 8 |
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| 9 | import com.fasterxml.jackson.annotation.JsonAutoDetect;
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| 10 | import com.fasterxml.jackson.annotation.JsonAutoDetect.Visibility;
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| 11 | import com.fasterxml.jackson.annotation.JsonCreator;
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| 12 | import com.fasterxml.jackson.annotation.JsonValue;
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| 13 |
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| 14 | import geniusweb.actions.PartyId;
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| 15 | import geniusweb.issuevalue.Bid;
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| 16 |
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| 17 | /**
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| 18 | * There can be multiple agreements from a single negotiation. This object
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| 19 | * contains the agreements. Each party can agree only on 1 bid and there are
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| 20 | * always at least 2 parties agreeing on a bid.
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| 21 | */
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| 22 | @JsonAutoDetect(fieldVisibility = Visibility.ANY, getterVisibility = Visibility.NONE, setterVisibility = Visibility.NONE)
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| 23 | public class Agreements {
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| 24 | @JsonValue
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| 25 | private final Map<PartyId, Bid> agreements;
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| 26 |
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| 27 | public Agreements() {
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| 28 | this.agreements = Collections.emptyMap();
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| 29 | }
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| 30 |
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| 31 | @JsonCreator
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| 32 | public Agreements(Map<PartyId, Bid> agrees) {
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| 33 | this.agreements = agrees;
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| 34 | }
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| 35 |
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| 36 | /**
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| 37 | * @param bid a bid that all parties agreed on
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| 38 | * @param parties the {@link PartyId}s of the agreeing parties
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| 39 | */
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| 40 | public Agreements(Bid bid, Set<PartyId> parties) {
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| 41 | this(parties.stream()
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| 42 | .collect(Collectors.toMap(pid -> pid, pid -> bid)));
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| 43 | }
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| 44 |
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| 45 | /**
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| 46 | * @param other {@link Agreements}
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| 47 | * @return a new Agreement containing this plus other agreements
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| 48 | * @throws IllegalArgumentException if parties in other are already in this
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| 49 | * agreement.
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| 50 | */
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| 51 | public Agreements with(Agreements other) {
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| 52 | Map<PartyId, Bid> newagrees = new HashMap<>(agreements);
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| 53 | for (PartyId pid : other.agreements.keySet()) {
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| 54 | if (newagrees.containsKey(pid))
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| 55 | throw new IllegalArgumentException(
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| 56 | "party " + pid + " already has agreement");
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| 57 | newagrees.put(pid, other.agreements.get(pid));
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| 58 | }
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| 59 | return new Agreements(newagrees);
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| 60 | }
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| 61 |
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| 62 | /**
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| 63 | * @return actual agreemenets contained here
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| 64 | */
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| 65 | public Map<PartyId, Bid> getMap() {
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| 66 | return Collections.unmodifiableMap(agreements);
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| 67 | }
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| 68 |
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| 69 | @Override
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| 70 | public String toString() {
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| 71 | return "Agreements" + agreements;
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| 72 | }
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| 73 |
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| 74 | @Override
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| 75 | public int hashCode() {
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| 76 | final int prime = 31;
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| 77 | int result = 1;
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| 78 | result = prime * result
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| 79 | + ((agreements == null) ? 0 : agreements.hashCode());
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| 80 | return result;
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| 81 | }
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| 82 |
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| 83 | @Override
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| 84 | public boolean equals(Object obj) {
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| 85 | if (this == obj)
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| 86 | return true;
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| 87 | if (obj == null)
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| 88 | return false;
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| 89 | if (getClass() != obj.getClass())
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| 90 | return false;
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| 91 | Agreements other = (Agreements) obj;
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| 92 | if (agreements == null) {
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| 93 | if (other.agreements != null)
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| 94 | return false;
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| 95 | } else if (!agreements.equals(other.agreements))
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| 96 | return false;
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| 97 | return true;
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| 98 | }
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| 99 |
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| 100 | }
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