Changeset 4 for issuevalue/src/main

Timestamp:

09/18/19 10:00:22 (5 years ago)

Author:

bart

Message:

Faster example parties

File:

• issuevalue/src/main/java/geniusweb/issuevalue/Bid.java (modified) (3 diffs)

issuevalue/src/main/java/geniusweb/issuevalue/Bid.java

@@ -3 +3 @@
 import java.util.Collections;
 import java.util.HashMap;
+import java.util.HashSet;
 import java.util.Map;
 import java.util.Set;
@@ -40 +41 @@
 
         /**
+         * Makes partial bid with just 1 issue and value.
+         * 
+         * @param issue the issue name
+         * @param value the {@link Value}
+         */
+        public Bid(String issue, Value value) {
+                if (issue == null || value == null) {
+                        throw new NullPointerException("issue and value must be not =null");
+                }
+
+                issuevalues = new HashMap<>();
+                issuevalues.put(issue, value);
+        }
+
+        /**
          * @param issue
          * @return the value for the given issue, or null if there is no value for
@@ -59 +75 @@
         public Set<String> getIssues() {
                 return Collections.unmodifiableSet(issuevalues.keySet());
+        }
+
+        /**
+         * Merges this partial bid with another partial bid.
+         * 
+         * @param otherbid another partial bid.
+         * @return a bid with the combined values of both partial bids.
+         * @throws IllegalArgumentException if issues overlap.
+         */
+        public Bid merge(Bid otherbid) {
+                Set<String> ourissues = new HashSet<>(issuevalues.keySet());
+                ourissues.retainAll(otherbid.getIssues());
+                if (!ourissues.isEmpty()) {
+                        throw new IllegalArgumentException(
+                                        "Otherbid contains issues that are already set:"
+                                                        + ourissues);
+                }
+                HashMap<String, Value> newvalues = new HashMap<>(issuevalues);
+                newvalues.putAll(otherbid.issuevalues);
+                return new Bid(newvalues);
+
         }