本文整理汇总了Java中com.db4o.ObjectSet.size方法的典型用法代码示例。如果您正苦于以下问题：Java ObjectSet.size方法的具体用法？Java ObjectSet.size怎么用？Java ObjectSet.size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.size方法的9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: deleteDatabase
import com.db4o.ObjectSet; //导入方法依赖的package包/类
public void deleteDatabase() {
// We dont actually delete the database we just wipe all objects in it
ObjectSet<Object> results = db().query(Object.class);
if ((results != null) && (results.size() > 0)) {
for (Object o : results) {
db().delete(o);
}
close();
Toast.makeText(this.context, "Finished Deleting Database",
Toast.LENGTH_SHORT).show();
}
}
示例5: getAll
import com.db4o.ObjectSet; //导入方法依赖的package包/类
@Override
public Scriptable[] getAll(Function function, String type) {
ObjectContainer con = getDB(type);
ObjectSet<HashMap<Object, Object>> maps = con.query().execute();
Scriptable[] models = new Scriptable[maps.size()];
int a = 0;
while (maps.hasNext()) {
HashMap<Object, Object> map2 = maps.next();
Scriptable model = function.construct(Context.getCurrentContext(), null, new Object[0]);
for (Object obj2 : map2.keySet()) {
String key = obj2.toString();
Object value = map2.get(obj2);
model.put(key, model, value);
model.put("_id_", model, con.ext().getID(map2));
}
models[a] = model;
a++;
}
return models;
}
示例6: 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7: 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8: 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9: 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();
}
}
}