本文整理汇总了Java中com.db4o.Db4oEmbedded.openFile方法的典型用法代码示例。如果您正苦于以下问题：Java Db4oEmbedded.openFile方法的具体用法？Java Db4oEmbedded.openFile怎么用？Java Db4oEmbedded.openFile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.Db4oEmbedded的用法示例。
在下文中一共展示了Db4oEmbedded.openFile方法的15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: openDb4o
import com.db4o.Db4oEmbedded; //导入方法依赖的package包/类
public static void openDb4o(String repoPath) {
// DB4OFILENAME = context.getRealPath("/WEB-INF/repository/ngsiRegRepo.db4o");
DB4OFILENAME = repoPath;
System.out.println(DB4OFILENAME);
EmbeddedConfiguration configuration = Db4oEmbedded.newConfiguration();
configuration.common().activationDepth(20); // set activation depth
configuration.common().objectClass(RegisterContextRequest.class).cascadeOnDelete(true);
db = Db4oEmbedded.openFile(configuration, DB4OFILENAME);
}
示例2: openDb4o
import com.db4o.Db4oEmbedded; //导入方法依赖的package包/类
public static void openDb4o(String repoPath) {
// DB4OFILENAME = context.getRealPath("/WEB-INF/repository/ngsiSubRepo.db4o");
DB4OFILENAME = repoPath;
System.out.println(DB4OFILENAME);
EmbeddedConfiguration configuration = Db4oEmbedded.newConfiguration();
configuration.common().activationDepth(15); // set activation depth
configuration.common().objectClass(RegisterContextRequest.class).cascadeOnDelete(true);
db = Db4oEmbedded.openFile(configuration, DB4OFILENAME);
}
示例3: createConnection
import com.db4o.Db4oEmbedded; //导入方法依赖的package包/类
private ObjectContainer createConnection() {
try {
EmbeddedConfiguration config = Db4oEmbedded.newConfiguration();
config.common().add(new TransparentPersistenceSupport());
//Controls the number of objects in memory
config.common().activationDepth(Integer.MAX_VALUE);
//Controls the depth/level of updation of Object
config.common().updateDepth(Integer.MAX_VALUE);
//Register your top most Class here
config.common().objectClass(CentralAuthority.class).cascadeOnUpdate(true); // Change to the object you want to save
ObjectContainer db = Db4oEmbedded.openFile(config, FILENAME);
return db;
} catch (Exception ex) {
System.out.print(ex.getMessage());
}
return null;
}
示例4: save
import com.db4o.Db4oEmbedded; //导入方法依赖的package包/类
public void save(T obj) {
if (obj == null) {
return;
}
synchronized (DB4OUtils.class) {
ObjectContainer oc = Db4oEmbedded.openFile(DB4OUtils
.getDataBasePath());
try {
oc.store(obj);
oc.commit();
} catch (Exception e) {
e.printStackTrace();
} finally {
oc.close();
}
}
}
示例5: getKeys
import com.db4o.Db4oEmbedded; //导入方法依赖的package包/类
@Override
public Collection<Integer> getKeys() throws StorageOperationException {
ObjectContainer db = Db4oEmbedded.openFile(getConfiguration(), source);
final Collection<Integer> result = new ArrayList<Integer>();
try {
db.query(new Predicate<V>() {
@Override
public boolean match(V v) {
result.add(v.hashCode());
return false;
}
});
} finally {
db.close();
}
return result;
}
示例6: getAll
import com.db4o.Db4oEmbedded; //导入方法依赖的package包/类
@Override
public List<V> getAll(final K... keys) throws StorageOperationException {
ObjectContainer db = Db4oEmbedded.openFile(getConfiguration(), source);
List<V> result = null;
try {
result = db.query(new Predicate<V>() {
@Override
public boolean match(V v) {
for (K key : keys) {
if (key.match(v))
return true;
}
return false;
}
});
} finally {
db.close();
}
if (result == null)
return createList();
else
return result;
}
示例7: put
import com.db4o.Db4oEmbedded; //导入方法依赖的package包/类
@Override
public void put(final K key, V value) throws StorageOperationException {
ObjectContainer db = Db4oEmbedded.openFile(getConfiguration(), source);
ObjectSet<V> set = db.query(new Predicate<V>() {
@Override
public boolean match(V v) {
if (key.match(v))
return true;
else
return false;
}
});
db.delete(set);
db.store(value);
db.close();
}
示例8: openDbFile
import com.db4o.Db4oEmbedded; //导入方法依赖的package包/类
private static void openDbFile() {
db = Db4oEmbedded.openFile(Db4oEmbedded.newConfiguration(), DB_FOLDER + File.separator + DB_FILE_NAME);
}
示例9: get
import com.db4o.Db4oEmbedded; //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10: saveOrUpdateAll
import com.db4o.Db4oEmbedded; //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11: saveOrUpdate
import com.db4o.Db4oEmbedded; //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12: getObjectContainer
import com.db4o.Db4oEmbedded; //导入方法依赖的package包/类
public static synchronized ObjectContainer getObjectContainer(Context context,String dbName){
String DATABASE_PATH = context.getFilesDir().getAbsolutePath() + "/" + dbName;
if (instance == null) {
instance = Db4oEmbedded.openFile(DATABASE_PATH);
}
return instance;
}
示例13: openDbFile
import com.db4o.Db4oEmbedded; //导入方法依赖的package包/类
private static void openDbFile() {
db = Db4oEmbedded.openFile(Db4oEmbedded.newConfiguration(), DB_FOLDER + File.separator + DB_FILE_NAME);
}
示例14: DbConfigurationSingleton
import com.db4o.Db4oEmbedded; //导入方法依赖的package包/类
private DbConfigurationSingleton(){
this.db = Db4oEmbedded.openFile(Db4oEmbedded.newConfiguration(), this.DbName);
}
示例15: DbConfigurationSingleton
import com.db4o.Db4oEmbedded; //导入方法依赖的package包/类
/**
* Inizializza il db.
*/
private DbConfigurationSingleton(){
this.db = Db4oEmbedded.openFile(Db4oEmbedded.newConfiguration(), this.DbName);
}