added equals to Account, and comments to rule class

Author: RicardoDiffBlue

src/main/java/com/diffblue/corebanking/account/Account.java

@@ -193,6 +193,15 @@ public enum AccountState {
     CLOSED
   }
 
+  @Override
+  public boolean equals(Object o) {
+    if (this == o) return true;
+    if (o == null) return false;
+    if (!(o instanceof Account)) return false;
+    Account account = (Account) o;
+    return accountNumber == account.accountNumber;
+  }
+
   /** AccountStatement of an account, which holds the list of all executed transactions. */
   public class AccountStatement {
     private final List<Transaction> transactions;

src/main/java/com/diffblue/corebanking/compliance/rules/ComplianceRuleLargeBalance.java

@@ -3,10 +3,23 @@
 import com.diffblue.corebanking.account.Account;
 
 public class ComplianceRuleLargeBalance extends ComplianceRule {
+
+  /**
+   * The maximum balance an account can have before it becomes non-compliant.
+   */
   public static final long MAX_ACCOUNT_VALUE = 100000;
 
+  /**
+   * Checks if the passed account passes or fails this rule.
+   *
+   * @param account The account to verify compliance.
+   */
   @Override
   public void validateAccountCompliance(final Account account) {
+
+    // Make sure the account does not belong to any list.
+    //this.forgetAccount(account);
+
     if (account == null) {
       throw new IllegalArgumentException();
     }