introduced AbstractArrayStorage

src/com/urise/webapp/model/Resume.java

@@ -5,7 +5,7 @@
 /**
  * Initial resume class
  */
-public class Resume {
+public class Resume implements Comparable<Resume> {
 
     // Unique identifier
     private String uuid;
@@ -39,4 +39,9 @@ public int hashCode() {
     public String toString() {
         return uuid;
     }
+
+    @Override
+    public int compareTo(Resume o) {
+        return this.uuid.compareTo(o.uuid);
+    }
 }

src/com/urise/webapp/storage/AbstractArrayStorage.java

@@ -0,0 +1,26 @@
+package com.urise.webapp.storage;
+
+import com.urise.webapp.model.Resume;
+import java.util.Arrays;
+
+public abstract class AbstractArrayStorage implements Storage {
+  protected static final int STORAGE_LIMIT = 10000;
+  protected Resume[] storage = new Resume[STORAGE_LIMIT];
+  protected int storageSize;
+
+  public int size() {
+    return storageSize;
+  }
+
+  public Resume get(String uuid) {
+    int index = getIndex(uuid);
+    if (index >= 0) {
+      return storage[index];
+    } else {
+      System.out.println("Resume " + uuid + " isn't exists!");
+      return null;
+    }
+  }
+
+  protected abstract int getIndex(String uuid);
+}

src/com/urise/webapp/storage/ArrayStorage.java

@@ -6,11 +6,7 @@
 /**
  * Array based storage for Resumes
  */
-public class ArrayStorage implements Storage {
-
-  private static final int STORAGE_LIMIT = 10000;
-  private Resume[] storage = new Resume[STORAGE_LIMIT];
-  private int storageSize;
+public class ArrayStorage extends AbstractArrayStorage {
 
   public void clear() {
     Arrays.fill(storage,0, storageSize, null);
@@ -68,11 +64,7 @@ public Resume[] getAll() {
     return Arrays.copyOf(storage, storageSize);
   }
 
-  public int size() {
-    return storageSize;
-  }
-
-  private int getIndex(String uuid) {
+  protected int getIndex(String uuid) {
     for (int i = 0; i < storageSize; i++) {
       if (uuid.equals(storage[i].getUuid())) {
         return i;

src/com/urise/webapp/storage/SortedArrayStorage.java

@@ -0,0 +1,39 @@
+package com.urise.webapp.storage;
+
+import com.urise.webapp.model.Resume;
+import java.util.Arrays;
+
+public class SortedArrayStorage extends AbstractArrayStorage {
+
+  @Override
+  public void clear() {
+
+  }
+
+  @Override
+  public void update(Resume r) {
+
+  }
+
+  @Override
+  public void save(Resume r) {
+
+  }
+
+  @Override
+  public void delete(String uuid) {
+
+  }
+
+  @Override
+  public Resume[] getAll() {
+    return new Resume[0];
+  }
+
+  @Override
+  protected int getIndex(String uuid) {
+    Resume searchKey = new Resume();
+    searchKey.setUuid(uuid);
+    return Arrays.binarySearch(storage, 0, storageSize, searchKey);
+  }
+}