本文整理汇总了Java中com.db4o.ObjectSet.get方法的典型用法代码示例。如果您正苦于以下问题：Java ObjectSet.get方法的具体用法？Java ObjectSet.get怎么用？Java ObjectSet.get使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类com.db4o.ObjectSet的用法示例。
在下文中一共展示了ObjectSet.get方法的12个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: retrieveSystem
import com.db4o.ObjectSet; //导入方法依赖的package包/类
public CentralAuthority retrieveSystem()
{
ObjectContainer conn = createConnection();
ObjectSet<CentralAuthority> systems = conn.query(CentralAuthority.class); // Change to the object you want to save
CentralAuthority system;
if (systems.size() == 0){
//system = CentralAuthority.getInstance();
system = ConfigureCentralAuthority.initialize();
// If there's no System in the record, create a new one
}
else{
//system = systems.get(0);
system = systems.get(systems.size() - 1);
}
conn.close();
return system;
}
示例2: clearSystem
import com.db4o.ObjectSet; //导入方法依赖的package包/类
public synchronized void clearSystem()
{
ObjectContainer conn = createConnection();
ObjectSet<CentralAuthority> systems = conn.query(CentralAuthority.class); // Change to the object you want to save
CentralAuthority system;
if (systems.size() == 0){
system = ConfigureCentralAuthority.initialize(); // If there's no System in the record, create a new one
}
else{
system = systems.get(0);
}
conn.delete(system);
conn.close();
}
示例3: loadOrCreateState
import com.db4o.ObjectSet; //导入方法依赖的package包/类
private PersistedAutoIncrements loadOrCreateState() {
ObjectSet<PersistedAutoIncrements> existingState = container.query(PersistedAutoIncrements.class);
if(0==existingState.size()){
return new PersistedAutoIncrements();
} else if(1==existingState.size()){
return existingState.get(0);
} else{
throw new IllegalStateException("Cannot have more than one state stored in database");
}
}
示例4: read
import com.db4o.ObjectSet; //导入方法依赖的package包/类
public IPrenotazione read(final Integer id)
{
ObjectContainer client = DbManagerSingleton.getInstance().getClient();
ObjectSet<PrenotazioneSmartProxy> result = client.query(new Predicate<PrenotazioneSmartProxy>() {
@Override
public boolean match(PrenotazioneSmartProxy candidate) {
Integer idTrans;
try {
idTrans = candidate.getId();
}
catch (RemoteException ex) {
return false;
}
if(idTrans.intValue() == id.intValue())
return true;
else
return false;
}
});
if(result.isEmpty())
return null;
return (IPrenotazione) result.get(0);
}
示例5: read
import com.db4o.ObjectSet; //导入方法依赖的package包/类
/**
* Recupera dal db l'oggetto Configuration.
* @return la configurazione salvata
*/
public Configuration read(){
Query query = this.db.query();
query.constrain(Configuration.class);
ObjectSet<Object> config = query.execute();
Configuration result;
if(config.isEmpty())
result = null;
else
result = (Configuration) config.get(0);
return result;
}
示例6: read
import com.db4o.ObjectSet; //导入方法依赖的package包/类
/**
* @return la configurazione salvata
*/
public Configuration read(){
Query query = this.db.query();
query.constrain(Configuration.class);
ObjectSet<Object> config = query.execute();
Configuration result;
if(config.isEmpty())
result = null;
else
result = (Configuration) config.get(0);
return result;
}
示例7: read
import com.db4o.ObjectSet; //导入方法依赖的package包/类
/**
* @return configuration dal db
*/
public Configuration read(){
Query query = this.db.query();
query.constrain(Configuration.class);
ObjectSet<Object> config = query.execute();
Configuration result;
if(config.isEmpty())
result = null;
else
result = (Configuration) config.get(0);
return result;
}
示例8: get
import com.db4o.ObjectSet; //导入方法依赖的package包/类
public T get(final Object id) {
T result = null;
synchronized (DB4OUtils.class) {
ObjectContainer oc = Db4oEmbedded.openFile(DB4OUtils
.getDataBasePath());
try {
ObjectSet<T> os = oc.query(new Predicate<T>() {
/**
*
*/
private static final long serialVersionUID = 7212666772385276584L;
@Override
public boolean match(T t) {
// TODO Auto-generated method stub
return t.getId() != null && t.getId().equals(id);
}
});
if (os.size() > 0) {
result = os.get(0);
}
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
} finally {
oc.close();
}
}
return result;
}
示例9: saveOrUpdateAll
import com.db4o.ObjectSet; //导入方法依赖的package包/类
public void saveOrUpdateAll(Collection<T> col, final Match<T> match)
throws Exception {
if (col == null || col.size() == 0) {
return;
}
synchronized (DB4OUtils.class) {
ObjectContainer oc = Db4oEmbedded.openFile(DB4OUtils
.getDataBasePath());
try {
for (final T obj : col) {
ObjectSet<T> os = oc.query(new Predicate<T>() {
/**
*
*/
private static final long serialVersionUID = 2793555621552211152L;
@Override
public boolean match(T t) {
// TODO Auto-generated method stub
return match.match(t, obj);
}
});
if (os.size() > 0) {
T old = os.get(0);
DB4OUtils.copyFields(obj, old);
oc.store(old);
} else {
oc.store(obj);
}
}
oc.commit();
} catch (Exception e) {
oc.rollback();
throw e;
} finally {
oc.close();
}
}
}
示例10: saveOrUpdate
import com.db4o.ObjectSet; //导入方法依赖的package包/类
public void saveOrUpdate(final T obj, final Match<T> match) {
if (obj == null) {
return;
}
synchronized (DB4OUtils.class) {
ObjectContainer oc = Db4oEmbedded.openFile(DB4OUtils
.getDataBasePath());
try {
ObjectSet<T> os = oc.query(new Predicate<T>() {
/**
*
*/
private static final long serialVersionUID = 2793555621552211152L;
@Override
public boolean match(T t) {
// TODO Auto-generated method stub
return match.match(t, obj);
}
});
if (os.size() > 0) {
T old = os.get(0);
DB4OUtils.copyFields(obj, old);
oc.store(old);
} else {
oc.store(obj);
}
oc.commit();
} catch (Exception e) {
e.printStackTrace();
} finally {
oc.close();
}
}
}
示例11: read
import com.db4o.ObjectSet; //导入方法依赖的package包/类
public CartaCliente read(int id)
{
ObjectContainer client = DbManagerSingleton.getInstance().getClient();
Query query=client.query();
query.constrain(CartaCliente.class);
query.descend("codice").constrain(id);
ObjectSet<CartaCliente> cliente = query.execute();
if(cliente.isEmpty())
return null;
return cliente.get(0);
}
示例12: saveOrUpdate
import com.db4o.ObjectSet; //导入方法依赖的package包/类
public void saveOrUpdate(final T obj, final Match<T> match) {
if (obj == null) {
return;
}
synchronized (DB4OUtils.class) {
ObjectContainer oc = Db4oEmbedded.openFile(DB4OUtils
.getDataBasePath());
try {
ObjectSet<T> os = oc.query(new Predicate<T>() {
/**
*
*/
private static final long serialVersionUID = 2793555621552211152L;
@Override
public boolean match(T t) {
// TODO Auto-generated method stub
return match.match(t, obj);
}
});
if (os.size() > 0) {
T old = os.get(0);
DB4OUtils.copyFields(obj, old);
oc.store(old);
} else {
oc.store(obj);
}
oc.commit();
} catch (Exception e) {
e.printStackTrace();
} finally {
oc.close();
}
}
}