X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=Addressbook%2Fsrc%2Forg%2Fmxchange%2Faddressbook%2Fdatabase%2Ffrontend%2Fcontact%2FContactDatabaseFrontend.java;h=30535fd231b3490861fa08166f22f9f5572eddd2;hb=9ad193b51551b58af5a9eef70810933f0f6033ee;hp=cfd7ec1a7caa959419e3907187a8af6a20375e67;hpb=ea30fd0dc674dcd10c3aead1acd47000a99d7334;p=addressbook-lib.git

diff --git a/Addressbook/src/org/mxchange/addressbook/database/frontend/contact/ContactDatabaseFrontend.java b/Addressbook/src/org/mxchange/addressbook/database/frontend/contact/ContactDatabaseFrontend.java
index cfd7ec1..30535fd 100644
--- a/Addressbook/src/org/mxchange/addressbook/database/frontend/contact/ContactDatabaseFrontend.java
+++ b/Addressbook/src/org/mxchange/addressbook/database/frontend/contact/ContactDatabaseFrontend.java
@@ -17,13 +17,14 @@
 package org.mxchange.addressbook.database.frontend.contact;
 
 import java.io.IOException;
+import java.text.MessageFormat;
 import java.util.Iterator;
 import java.util.List;
-import org.mxchange.addressbook.exceptions.BadTokenException;
 import org.mxchange.addressbook.contact.Contact;
 import org.mxchange.addressbook.database.backend.csv.CsvBackend;
 import org.mxchange.addressbook.database.frontend.BaseDatabaseFrontend;
 import org.mxchange.addressbook.database.storage.Storeable;
+import org.mxchange.addressbook.exceptions.BadTokenException;
 import org.mxchange.addressbook.manager.contact.ContactManager;
 
 /**
@@ -42,6 +43,15 @@ public class ContactDatabaseFrontend extends BaseDatabaseFrontend implements Con
 		// Call own constructor
 		this();
 
+		// Trace message
+		this.getLogger().trace(MessageFormat.format("manager={0} - CALLED!", manager)); //NOI18N
+
+		// Manager instance must not be null
+		if (manager == null) {
+			// Abort here
+			throw new NullPointerException("manager is null"); //NOI18N
+		}
+
 		// Set contact manager
 		this.setContactManager(manager);
 	}
@@ -52,8 +62,11 @@ public class ContactDatabaseFrontend extends BaseDatabaseFrontend implements Con
 	protected ContactDatabaseFrontend () {
 		super();
 
+		// Trace message
+		this.getLogger().trace("CALLED!"); //NOI18N
+
 		// Set "table" name
-		this.setTableName("contacts");
+		this.setTableName("contacts"); //NOI18N
 
 		// Initalize backend
 		this.initBackend();
@@ -64,8 +77,14 @@ public class ContactDatabaseFrontend extends BaseDatabaseFrontend implements Con
 	 */
 	@Override
 	public void doShutdown () {
+		// Trace message
+		this.getLogger().trace("CALLED!"); //NOI18N
+
 		// Shutdown backend
 		this.getBackend().doShutdown();
+
+		// Trace message
+		this.getLogger().trace("EXIT!"); //NOI18N
 	}
 
 	/**
@@ -73,6 +92,9 @@ public class ContactDatabaseFrontend extends BaseDatabaseFrontend implements Con
 	 */
 	@Override
 	public void flushAllContacts () {
+		// Trace message
+		this.getLogger().trace("CALLED!"); //NOI18N
+
 		// Get full list
 		List<Contact> contacts = this.getContactManager().getList();
 
@@ -96,6 +118,9 @@ public class ContactDatabaseFrontend extends BaseDatabaseFrontend implements Con
 				System.exit(1);
 			}
 		}
+
+		// Trace message
+		this.getLogger().trace("EXIT!"); //NOI18N
 	}
 
 	/**
@@ -104,6 +129,9 @@ public class ContactDatabaseFrontend extends BaseDatabaseFrontend implements Con
 	 */
 	@Override
 	public void readAllContacts () {
+		// Trace message
+		this.getLogger().trace("CALLED!"); //NOI18N
+
 		// Get iterator and case it
 		CsvBackend backend = (CsvBackend) this.getBackend();
 
@@ -127,5 +155,8 @@ public class ContactDatabaseFrontend extends BaseDatabaseFrontend implements Con
 			// Add contact instance to manager
 			this.getContactManager().addContact(contact);
 		}
+
+		// Trace message
+		this.getLogger().trace("EXIT!"); //NOI18N
 	}
 }