Parallel add and delete

src/main/java/de/hsfulda/informatik/AccountSource.java

@@ -12,11 +12,14 @@ import com.unboundid.ldap.sdk.SearchScope;
 import com.unboundid.ldap.sdk.extensions.StartTLSExtendedRequest;
 import com.unboundid.util.ssl.SSLUtil;
 import com.unboundid.util.ssl.TrustAllTrustManager;
+import sun.nio.ch.ThreadPool;
 
 import java.security.GeneralSecurityException;
 import java.util.Collections;
 import java.util.List;
 import java.util.Set;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
 import java.util.stream.Collectors;
 
 public class AccountSource {
@@ -24,6 +27,7 @@ public class AccountSource {
     final List<SearchResultEntry> searchResultEntryList;
     final Set<String> users;
     final String baseDN;
+    final ExecutorService executorService = Executors.newFixedThreadPool(24);
 
     AccountSource(final String baseDN, final List<SearchResultEntry> searchResultEntryList) {
         this.baseDN = baseDN;
@@ -65,10 +69,12 @@ public class AccountSource {
     public void add(final List<Entry> usersToBeAdded) {
         for (final Entry entry : usersToBeAdded) {
             System.out.print("-> Füge Benutzer " + entry.getDN() + "...");
+            executorService.submit(new Runnable() {
+                @Override
+                public void run() {
                     final LDAPResult ldapResult;
                     try {
                         ldapResult = connection.add(entry);
-
                         if (ldapResult.getResultCode().intValue() == 0) {
                             System.out.print("Ok\n");
                         } else {
@@ -78,15 +84,19 @@ public class AccountSource {
                         System.out.print("Fehler (" + e.getMessage() + ")\n");
                     }
                 }
+            });
+        }
     }
 
     public void del(final Set<String> usersToBeDeleted) {
         for (final String user : usersToBeDeleted) {
             System.out.print("-> Lösche Benutzer cn=" + user + "," + this.baseDN + "...");
+            executorService.submit(new Runnable() {
+                @Override
+                public void run() {
                     final LDAPResult ldapResult;
-
                     try {
-                ldapResult = connection.delete("cn=" + user + "," + this.baseDN);
+                        ldapResult = connection.delete("cn=" + user + "," + AccountSource.this.baseDN);
 
                         if (ldapResult.getResultCode().intValue() == 0) {
                             System.out.print("Ok\n");
@@ -97,5 +107,7 @@ public class AccountSource {
                         System.out.print("Fehler (" + e.getMessage() + ")\n");
                     }
                 }
+            });
+        }
     }
 }