School Commit Init

Anul 2/Semestrul 1/Metode avansate de programare/Interpretor/Models/Program/Heap.java

@@ -0,0 +1,74 @@
+package Models.Program;
+
+import java.util.Hashtable;
+
+import Exceptions.BaseException;
+import Models.Values.IValue;
+
+public class Heap implements IHeap{
+    private Integer freeAddress;
+    private Hashtable<Integer, IValue> heap;
+
+    public Heap() {
+        this.freeAddress = 1;
+        this.heap = new Hashtable<Integer, IValue>();
+    }
+
+    public Integer getFreeAddress() {
+        return this.freeAddress;
+    }
+
+    public Boolean contains(Integer address) {
+        return this.heap.containsKey(address);
+    }
+
+    public Integer add(IValue value) {
+        this.heap.put(this.freeAddress, value);
+        this.freeAddress += 1;
+        return this.freeAddress - 1;
+    }
+
+    public void update(Integer address, IValue value) throws BaseException {
+        if (!this.heap.containsKey(address)) {
+            throw new BaseException("Address does not exist in heap.");
+        }
+
+        this.heap.put(address, value);
+    }
+
+    public IValue get(Integer address) throws BaseException {
+        if (!this.heap.containsKey(address)) {
+            throw new BaseException("Address does not exist in heap.");
+        }
+
+        return this.heap.get(address);
+    }
+
+    public void remove(Integer address) throws BaseException {
+        if (!this.heap.containsKey(address)) {
+            throw new BaseException("Address does not exist in heap.");
+        }
+
+        this.heap.remove(address);
+    }
+
+    public String toString() {
+        var sb = new StringBuilder();
+        for (var key : this.heap.keySet()) {
+            sb.append(key);
+            sb.append(" --> ");
+            sb.append(this.heap.get(key));
+            sb.append("\n");
+        }
+        return sb.toString();
+    }
+
+    public Hashtable<Integer, IValue> getContent() {
+        return this.heap;
+    }
+
+    public void setContent(Hashtable<Integer, IValue> content) {
+        this.heap = content;
+    }
+
+}