diff --git a/build.gradle b/build.gradle
index 2028776..03d077c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -53,10 +53,13 @@ dependencies {
compile files('lib/JFXtras/jfxtras-labs-8.0-r1-SNAPSHOT.jar', 'lib/ScenicView/ScenicView.jar')
compile group: 'org.jdom', name: 'jdom2', version: '2.0.5'
compile group: 'org.controlsfx', name: 'controlsfx', version: '8.0.6'
- compile group: 'com.h2database', name: 'h2', version: '1.4.178'
- compile group: 'org.eclipse.persistence', name: 'eclipselink', version: '2.5.0'
compile group: 'org.codehaus.groovy', name: 'groovy-all', version: '2.2.1'
compile group: 'org.jboss.weld.se', name: 'weld-se', version: '2.2.0.Final'
+ compile group: 'com.orientechnologies', name: 'orient-commons', version: '2.0-SNAPSHOT'
+ compile group: 'com.orientechnologies', name: 'orientdb-core', version: '2.0-SNAPSHOT'
+ compile group: 'com.orientechnologies', name: 'orient-server', version: '2.0-SNAPSHOT'
+ compile group: 'com.orientechnologies', name: 'orientdb-object', version: '2.0-SNAPSHOT'
+
}
///////////////////////////////////////////////////////////////////////////////////
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 3b624ba..d92d118 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Sun Sep 22 11:48:27 CEST 2013
+#Fri Aug 15 19:56:32 CEST 2014
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists
-distributionUrl=http\://services.gradle.org/distributions/gradle-1.7-bin.zip
+distributionUrl=http\://services.gradle.org/distributions/gradle-1.7-all.zip
diff --git a/resources/META-INF/persistence.xml b/resources/META-INF/persistence.xml
deleted file mode 100644
index 78da4a6..0000000
--- a/resources/META-INF/persistence.xml
+++ /dev/null
@@ -1,27 +0,0 @@
-
-
-
-
- org.eclipse.persistence.jpa.PersistenceProvider
-
- de.geofroggerfx.model.Attribute
- de.geofroggerfx.model.Cache
- de.geofroggerfx.model.Log
- de.geofroggerfx.model.TravelBug
- de.geofroggerfx.model.Type
- de.geofroggerfx.model.User
- de.geofroggerfx.model.Waypoint
- de.geofroggerfx.model.CacheList
-
-
-
-
-
-
-
-
-
-
-
-
-
\ No newline at end of file
diff --git a/src/de/geofroggerfx/fx/GeoFroggerFXMain.java b/src/de/geofroggerfx/fx/GeoFroggerFXMain.java
index 301fc60..5880cf8 100644
--- a/src/de/geofroggerfx/fx/GeoFroggerFXMain.java
+++ b/src/de/geofroggerfx/fx/GeoFroggerFXMain.java
@@ -84,7 +84,7 @@ public class GeoFroggerFXMain extends Application {
@Override
public void stop() throws Exception {
- weldContainer.instance().select(DatabaseService.class).get().getEntityManager().close();
+ weldContainer.instance().select(DatabaseService.class).get().close();
weld.shutdown();
super.stop();
}
diff --git a/src/de/geofroggerfx/fx/cachedetails/CacheDetailsController.java b/src/de/geofroggerfx/fx/cachedetails/CacheDetailsController.java
index e0c8ce0..0a36063 100644
--- a/src/de/geofroggerfx/fx/cachedetails/CacheDetailsController.java
+++ b/src/de/geofroggerfx/fx/cachedetails/CacheDetailsController.java
@@ -53,6 +53,7 @@ import jfxtras.labs.map.render.MapMarkable;
import javax.inject.Inject;
import java.net.URL;
import java.time.LocalDate;
+import java.time.ZoneId;
import java.util.Arrays;
import java.util.List;
import java.util.ResourceBundle;
@@ -227,7 +228,7 @@ public class CacheDetailsController implements Initializable, SessionContextList
icon.setImage(GeocachingIcons.getIcon(currentCache));
placedByTextfield.setText(currentCache.getPlacedBy());
ownerTextfield.setText(currentCache.getOwner().getName());
- date.setValue(currentCache.getMainWayPoint().getTime().toLocalDate());
+ date.setValue(currentCache.getMainWayPoint().getTime().toInstant().atZone(ZoneId.systemDefault()).toLocalDate());
typeTextfield.setText(currentCache.getType().toGroundspeakString());
containerTextfield.setText(currentCache.getContainer());
fillShortDescription(currentCache);
diff --git a/src/de/geofroggerfx/gpx/GroundspeakGPXReader.java b/src/de/geofroggerfx/gpx/GroundspeakGPXReader.java
index 4ad6983..0fcc095 100644
--- a/src/de/geofroggerfx/gpx/GroundspeakGPXReader.java
+++ b/src/de/geofroggerfx/gpx/GroundspeakGPXReader.java
@@ -36,16 +36,11 @@ import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
-import java.net.MalformedURLException;
-import java.net.URL;
import java.nio.charset.Charset;
import java.nio.file.Files;
-import java.time.LocalDateTime;
-import java.time.format.DateTimeFormatter;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.*;
/**
* TODO: describe the class
@@ -95,6 +90,9 @@ public class GroundspeakGPXReader implements GPXReader {
public static final String DEFAULT_NAMESPACE_URL = "http://www.topografix.com/GPX/1/0";
public static final String GROUNDSPEAK_NAMESPACE_URL = "http://www.groundspeak.com/cache/1/0/1";
+ // 2011-12-03T10:15:30+01:00
+ private final SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'");
+
private final List listeners = new ArrayList<>();
private final Map userCache = new HashMap<>();
@@ -204,14 +202,14 @@ public class GroundspeakGPXReader implements GPXReader {
final Element cacheElement = waypointElement.getChild(CACHE, groundspeakNamespace);
setId(cacheElement, mainWaypoint);
parseCacheElement(cacheElement, cache);
- } catch (DataConversionException | MalformedURLException e) {
+ } catch (DataConversionException | ParseException e) {
// TODO: do some batch error handling
e.printStackTrace();
}
return cache;
}
- private void parseCacheElement(Element cacheElement, Cache cache) throws DataConversionException {
+ private void parseCacheElement(Element cacheElement, Cache cache) throws DataConversionException, ParseException {
setId(cacheElement, cache);
setAvailable(cacheElement, cache);
setArchived(cacheElement, cache);
@@ -259,7 +257,7 @@ public class GroundspeakGPXReader implements GPXReader {
travelBug.setId(travelBugElement.getAttribute(ID).getLongValue());
}
- private void setLogs(Element cacheElement, Cache cache) throws DataConversionException {
+ private void setLogs(Element cacheElement, Cache cache) throws DataConversionException, ParseException {
final Element logsElement = cacheElement.getChild(LOGS, groundspeakNamespace);
if (logsElement != null) {
final List logs = new ArrayList<>();
@@ -305,9 +303,9 @@ public class GroundspeakGPXReader implements GPXReader {
log.setId(logElement.getAttribute(ID).getLongValue());
}
- private void setDate(Element logElement, Log log) {
+ private void setDate(Element logElement, Log log) throws ParseException {
final String dateText = logElement.getChild(DATE, groundspeakNamespace).getTextTrim();
- final LocalDateTime date = LocalDateTime.parse(dateText, DateTimeFormatter.ISO_DATE_TIME);
+ final Date date = DATE_FORMAT.parse(dateText);
log.setDate(date);
}
@@ -424,12 +422,12 @@ public class GroundspeakGPXReader implements GPXReader {
waypoint.setSymbol(cacheElement.getChild(SYM, defaultNamespace).getTextTrim());
}
- private void setUrlName(Element cacheElement, Waypoint waypoint) throws MalformedURLException {
+ private void setUrlName(Element cacheElement, Waypoint waypoint) {
waypoint.setUrlName(cacheElement.getChild(URLNAME, defaultNamespace).getTextTrim());
}
- private void setUrl(Element cacheElement, Waypoint waypoint) throws MalformedURLException {
- waypoint.setUrl(new URL(cacheElement.getChild(URL, defaultNamespace).getTextTrim()));
+ private void setUrl(Element cacheElement, Waypoint waypoint) {
+ waypoint.setUrl(cacheElement.getChild(URL, defaultNamespace).getTextTrim());
}
private void setDescription(Element cacheElement, Waypoint waypoint) {
@@ -445,9 +443,9 @@ public class GroundspeakGPXReader implements GPXReader {
waypoint.setLongitude(cacheElement.getAttribute(LON).getDoubleValue());
}
- private void setTime(Element cacheElement, Waypoint waypoint) {
+ private void setTime(Element cacheElement, Waypoint waypoint) throws ParseException {
final String timeText = cacheElement.getChild(TIME, defaultNamespace).getTextTrim();
- final LocalDateTime date = LocalDateTime.parse(timeText, DateTimeFormatter.ISO_DATE_TIME);
+ final Date date = DATE_FORMAT.parse(timeText);
waypoint.setTime(date);
}
diff --git a/src/de/geofroggerfx/model/Attribute.java b/src/de/geofroggerfx/model/Attribute.java
index 54f606f..3f59d22 100644
--- a/src/de/geofroggerfx/model/Attribute.java
+++ b/src/de/geofroggerfx/model/Attribute.java
@@ -25,16 +25,11 @@
*/
package de.geofroggerfx.model;
-import javax.persistence.Entity;
-import javax.persistence.Id;
-
/**
* @author Andreas Billmann
*/
-@Entity
public class Attribute {
- @Id
private Long id;
private boolean inc;
private String text;
diff --git a/src/de/geofroggerfx/model/Cache.java b/src/de/geofroggerfx/model/Cache.java
index 29020d9..1ec929d 100644
--- a/src/de/geofroggerfx/model/Cache.java
+++ b/src/de/geofroggerfx/model/Cache.java
@@ -25,16 +25,13 @@
*/
package de.geofroggerfx.model;
-import javax.persistence.*;
import java.util.List;
/**
* @author Andreas Billmann
*/
-@Entity
public class Cache {
- @Id
private Long id;
private boolean available;
private boolean archived;
@@ -58,7 +55,6 @@ public class Cache {
private List travelBugs;
private Waypoint mainWayPoint;
- @OneToOne(fetch=FetchType.LAZY)
public Waypoint getMainWayPoint() {
return mainWayPoint;
}
@@ -107,7 +103,6 @@ public class Cache {
this.placedBy = placedBy;
}
- @OneToOne(fetch=FetchType.LAZY)
public User getOwner() {
return owner;
}
@@ -116,7 +111,6 @@ public class Cache {
this.owner = owner;
}
- @Enumerated(EnumType.STRING)
public Type getType() {
return type;
}
@@ -133,7 +127,6 @@ public class Cache {
this.container = container;
}
- @ManyToMany(fetch=FetchType.LAZY)
public List getAttributes() {
return attributes;
}
@@ -214,7 +207,6 @@ public class Cache {
this.encodedHints = encodedHints;
}
- @OneToMany(fetch=FetchType.LAZY)
public List getLogs() {
return logs;
}
@@ -223,7 +215,6 @@ public class Cache {
this.logs = logs;
}
- @OneToMany(fetch=FetchType.LAZY)
public List getTravelBugs() {
return travelBugs;
}
diff --git a/src/de/geofroggerfx/model/CacheList.java b/src/de/geofroggerfx/model/CacheList.java
index ab6e754..42d6725 100644
--- a/src/de/geofroggerfx/model/CacheList.java
+++ b/src/de/geofroggerfx/model/CacheList.java
@@ -25,19 +25,13 @@
*/
package de.geofroggerfx.model;
-import javax.persistence.Entity;
-import javax.persistence.FetchType;
-import javax.persistence.Id;
-import javax.persistence.OneToMany;
import java.util.List;
/**
* @author Andreas Billmann
*/
-@Entity
public class CacheList {
- @Id
private String name;
private List caches;
@@ -50,7 +44,6 @@ public class CacheList {
this.name = name;
}
- @OneToMany(fetch= FetchType.LAZY)
public List getCaches() {
return caches;
}
diff --git a/src/de/geofroggerfx/model/Log.java b/src/de/geofroggerfx/model/Log.java
index aed96d0..c2acb07 100644
--- a/src/de/geofroggerfx/model/Log.java
+++ b/src/de/geofroggerfx/model/Log.java
@@ -25,18 +25,16 @@
*/
package de.geofroggerfx.model;
-import javax.persistence.*;
import java.time.LocalDateTime;
+import java.util.Date;
/**
* @author Andreas Billmann
*/
-@Entity
public class Log {
- @Id
private Long id;
- private LocalDateTime date;
+ private Date date;
private String type;
private User finder;
private boolean textEncoded;
@@ -50,11 +48,11 @@ public class Log {
this.id = id;
}
- public LocalDateTime getDate() {
+ public Date getDate() {
return date;
}
- public void setDate(LocalDateTime date) {
+ public void setDate(Date date) {
this.date = date;
}
@@ -66,7 +64,6 @@ public class Log {
this.type = type;
}
- @OneToOne(cascade = CascadeType.PERSIST)
public User getFinder() {
return finder;
}
diff --git a/src/de/geofroggerfx/model/Settings.java b/src/de/geofroggerfx/model/Settings.java
index 172c2c9..e06998b 100644
--- a/src/de/geofroggerfx/model/Settings.java
+++ b/src/de/geofroggerfx/model/Settings.java
@@ -1,17 +1,12 @@
package de.geofroggerfx.model;
-import javax.persistence.Entity;
-import javax.persistence.Id;
-
/**
* This class represents the application settings, like current user, etc.
*
* @author abi
*/
-@Entity
public class Settings {
- @Id
private Long id;
private Long currentUserID = new Long(3906456);
diff --git a/src/de/geofroggerfx/model/TravelBug.java b/src/de/geofroggerfx/model/TravelBug.java
index c144186..8ccaa26 100644
--- a/src/de/geofroggerfx/model/TravelBug.java
+++ b/src/de/geofroggerfx/model/TravelBug.java
@@ -25,16 +25,11 @@
*/
package de.geofroggerfx.model;
-import javax.persistence.Entity;
-import javax.persistence.Id;
-
/**
* @author Andreas Billmann
*/
-@Entity
public class TravelBug {
- @Id
private Long id;
private String ref;
private String name;
diff --git a/src/de/geofroggerfx/model/User.java b/src/de/geofroggerfx/model/User.java
index 60596fd..5536f51 100644
--- a/src/de/geofroggerfx/model/User.java
+++ b/src/de/geofroggerfx/model/User.java
@@ -25,16 +25,11 @@
*/
package de.geofroggerfx.model;
-import javax.persistence.Entity;
-import javax.persistence.Id;
-
/**
* @author Andreas Billmann
*/
-@Entity
public class User {
- @Id
private Long id;
private String name;
diff --git a/src/de/geofroggerfx/model/Waypoint.java b/src/de/geofroggerfx/model/Waypoint.java
index 28a0df4..067189a 100644
--- a/src/de/geofroggerfx/model/Waypoint.java
+++ b/src/de/geofroggerfx/model/Waypoint.java
@@ -25,25 +25,22 @@
*/
package de.geofroggerfx.model;
-import javax.persistence.Entity;
-import javax.persistence.Id;
import java.net.URL;
import java.time.LocalDateTime;
+import java.util.Date;
/**
* @author Andreas Billmann
*/
-@Entity
public class Waypoint {
- @Id
private Long id;
private double latitude;
private double longitude;
private String name;
- private LocalDateTime time;
+ private Date time;
private String description;
- private URL url;
+ private String url;
private String urlName;
private String symbol;
private String type;
@@ -72,11 +69,11 @@ public class Waypoint {
this.longitude = longitude;
}
- public void setTime(LocalDateTime time) {
+ public void setTime(Date time) {
this.time = time;
}
- public LocalDateTime getTime() {
+ public Date getTime() {
return time;
}
@@ -96,11 +93,11 @@ public class Waypoint {
this.description = description;
}
- public URL getUrl() {
+ public String getUrl() {
return url;
}
- public void setUrl(URL url) {
+ public void setUrl(String url) {
this.url = url;
}
diff --git a/src/de/geofroggerfx/service/CacheServiceImpl.java b/src/de/geofroggerfx/service/CacheServiceImpl.java
index a94c433..c6e0562 100644
--- a/src/de/geofroggerfx/service/CacheServiceImpl.java
+++ b/src/de/geofroggerfx/service/CacheServiceImpl.java
@@ -5,13 +5,15 @@
*/
package de.geofroggerfx.service;
+import com.orientechnologies.orient.core.sql.query.OSQLSynchQuery;
+import com.orientechnologies.orient.object.db.OObjectDatabaseTx;
import de.geofroggerfx.application.ProgressEvent;
import de.geofroggerfx.application.ProgressListener;
-import de.geofroggerfx.model.*;
+import de.geofroggerfx.model.Cache;
+import de.geofroggerfx.model.CacheList;
import de.geofroggerfx.sql.DatabaseService;
import javax.inject.Inject;
-import javax.persistence.EntityManager;
import java.util.ArrayList;
import java.util.List;
@@ -35,10 +37,9 @@ public class CacheServiceImpl implements CacheService {
@Override
public void storeCaches(List caches) {
- EntityManager em = dbService.getEntityManager();
+ OObjectDatabaseTx database = dbService.getDatabase();
try {
- int transactionNumber = 0;
int currentCacheNumber = 0;
int numberOfCaches = caches.size();
for (Cache cache : caches) {
@@ -48,42 +49,10 @@ public class CacheServiceImpl implements CacheService {
"Save caches to Database " + currentCacheNumber + " / " + numberOfCaches,
(double) currentCacheNumber / (double) numberOfCaches));
- // begin transaction if the transaction counter is set to zero
- if (transactionNumber == 0) { em.getTransaction().begin(); }
- transactionNumber++;
-
- em.merge(cache.getOwner());
- em.merge(cache.getMainWayPoint());
-
- for (Log log: cache.getLogs()) {
- em.merge(log);
- em.merge(log.getFinder());
- }
-
- for (Attribute attribute: cache.getAttributes()) {
- em.merge(attribute);
- }
-
- for (TravelBug bug: cache.getTravelBugs()) {
- em.merge(bug);
- }
-
- em.merge(cache);
-
- // comit every X caches
- if (transactionNumber == TRANSACTION_SIZE) {
- em.getTransaction().commit();
- transactionNumber = 0;
- }
- }
-
- // if there wasn?t a commit right before, commit the rest
- if (transactionNumber != 0) {
- em.getTransaction().commit();
+ database.save(cache);
}
} catch (Exception e) {
e.printStackTrace();
- em.getTransaction().rollback();
}
fireEvent(new ProgressEvent("Database",
@@ -98,9 +67,9 @@ public class CacheServiceImpl implements CacheService {
List caches = new ArrayList<>();
try {
- EntityManager em = dbService.getEntityManager();
- String query = "select c from Cache c order by c."+sortField.getFieldName()+" "+direction.toString();
- List result = em.createQuery(query).getResultList();
+ OObjectDatabaseTx database = dbService.getDatabase();
+ String query = "select * from Cache order by "+sortField.getFieldName()+" "+direction.toString();
+ List result = database.query(new OSQLSynchQuery(query));
if (result != null) {
caches = result;
}
@@ -122,9 +91,9 @@ public class CacheServiceImpl implements CacheService {
public List getAllCacheLists() {
List lists = new ArrayList<>();
try {
- EntityManager em = dbService.getEntityManager();
- String query = "select l from CacheList l order by l.name";
- List result = em.createQuery(query).getResultList();
+ OObjectDatabaseTx database = dbService.getDatabase();
+ String query = "select * from CacheList order by name";
+ List result = database.query(new OSQLSynchQuery(query));
if (result != null) {
lists = result;
}
@@ -139,10 +108,12 @@ public class CacheServiceImpl implements CacheService {
public boolean doesCacheListNameExist(String name) {
boolean doesExist = false;
try {
- EntityManager em = dbService.getEntityManager();
- String query = "select count(l) from CacheList l where l.name = :name";
- Long result = (Long)em.createQuery(query).setParameter("name", name).getSingleResult();
- doesExist = result > 0;
+ OObjectDatabaseTx database = dbService.getDatabase();
+ String query = "select * from CacheList l where l.name = :name";
+ List result = database.query(new OSQLSynchQuery(query));
+ if (result != null) {
+ doesExist = result.size() > 0;
+ }
} catch (Exception e) {
e.printStackTrace();
}
@@ -151,14 +122,11 @@ public class CacheServiceImpl implements CacheService {
@Override
public void deleteCacheList(CacheList cacheList) {
- EntityManager em = dbService.getEntityManager();
+ OObjectDatabaseTx database = dbService.getDatabase();
try {
- em.getTransaction().begin();
- em.remove(cacheList);
- em.getTransaction().commit();
+ database.delete(cacheList);
} catch (Exception e) {
e.printStackTrace();
- em.getTransaction().rollback();
}
}
@@ -167,14 +135,11 @@ public class CacheServiceImpl implements CacheService {
*/
@Override
public void storeCacheList(CacheList list) {
- EntityManager em = dbService.getEntityManager();
+ OObjectDatabaseTx database = dbService.getDatabase();
try {
- em.getTransaction().begin();
- em.merge(list);
- em.getTransaction().commit();
+ database.save(list);
} catch (Exception e) {
e.printStackTrace();
- em.getTransaction().rollback();
}
}
}
diff --git a/src/de/geofroggerfx/sql/DatabaseService.java b/src/de/geofroggerfx/sql/DatabaseService.java
index 0c4eb0f..d62de3c 100644
--- a/src/de/geofroggerfx/sql/DatabaseService.java
+++ b/src/de/geofroggerfx/sql/DatabaseService.java
@@ -25,11 +25,13 @@
*/
package de.geofroggerfx.sql;
-import javax.persistence.EntityManager;
+
+import com.orientechnologies.orient.object.db.OObjectDatabaseTx;
/**
* @author Andreas
*/
public interface DatabaseService {
- EntityManager getEntityManager();
+ OObjectDatabaseTx getDatabase();
+ void close();
}
diff --git a/src/de/geofroggerfx/sql/DatabaseServiceImpl.java b/src/de/geofroggerfx/sql/DatabaseServiceImpl.java
index 7b08019..f7d1697 100644
--- a/src/de/geofroggerfx/sql/DatabaseServiceImpl.java
+++ b/src/de/geofroggerfx/sql/DatabaseServiceImpl.java
@@ -25,9 +25,9 @@
*/
package de.geofroggerfx.sql;
-import javax.persistence.EntityManager;
-import javax.persistence.EntityManagerFactory;
-import javax.persistence.Persistence;
+import com.orientechnologies.orient.core.db.ODatabaseRecordThreadLocal;
+import com.orientechnologies.orient.core.db.record.ODatabaseRecord;
+import com.orientechnologies.orient.object.db.OObjectDatabaseTx;
/**
* @author Andreas
@@ -35,18 +35,34 @@ import javax.persistence.Persistence;
public class DatabaseServiceImpl implements DatabaseService {
private static final String PERSISTENCE_UNIT_NAME = "geocaches";
- private EntityManagerFactory factory;
- private EntityManager em;
+ private OObjectDatabaseTx db ;
public DatabaseServiceImpl() {
- factory = Persistence.createEntityManagerFactory(PERSISTENCE_UNIT_NAME);
- em = factory.createEntityManager();
+ db = new OObjectDatabaseTx("plocal:./"+PERSISTENCE_UNIT_NAME);
+ if (!db.exists()) {
+ db.create();
+ } else {
+ db.open("admin", "admin");
+ }
+
+
+ db.getEntityManager().registerEntityClasses("de.geofroggerfx.model");
+ }
+
+
+ @Override
+ public OObjectDatabaseTx getDatabase() {
+ assert (db != null) : "no database available";
+ ODatabaseRecordThreadLocal.INSTANCE.set(db.getUnderlying().getUnderlying());
+ return db;
}
@Override
- public EntityManager getEntityManager() {
- assert (em != null) : "no entity manager available";
- return em;
+ public void close() {
+ assert (db != null) : "no database available";
+ if (!db.isClosed()) {
+ db.close();
+ }
}
}