本文整理汇总了Java中com.db4o.ObjectContainer类的典型用法代码示例。如果您正苦于以下问题：Java ObjectContainer类的具体用法？Java ObjectContainer怎么用？Java ObjectContainer使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
ObjectContainer类属于com.db4o包，在下文中一共展示了ObjectContainer类的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: deleteStudent
import com.db4o.ObjectContainer; //导入依赖的package包/类
/**
* Delete student.
*
* @param studentID
* the student id
* @param hostName
* the host name
*/
public static void deleteStudent(String studentID, String hostName)
{
ObjectContainer db = Db4oClientServer.openClient(generateConfig(), hostName, Database.DB_PORT, Database.DB_USER, Database.DB_PASS);
try
{
List<StudentDatabaseFormat> dbReps = db.query(StudentDatabaseFormat.class);
if (dbReps != null)
{
for (StudentDatabaseFormat dbRep : dbReps)
{
if (dbRep.getStudentID().equals(studentID))
{
db.delete(dbRep);
break;
}
}
}
}
finally
{
db.close();
}
}
示例2: getStudentColour
import com.db4o.ObjectContainer; //导入依赖的package包/类
/**
* Gets the student colour.
*
* @param studentID
* the student id
* @param hostName
* the host name
* @return the student colour
*/
public static String getStudentColour(String studentID, String hostName)
{
ObjectContainer db = Db4oClientServer.openClient(generateConfig(), hostName, Database.DB_PORT, Database.DB_USER, Database.DB_PASS);
try
{
List<StudentDatabaseFormat> dbReps = db.query(StudentDatabaseFormat.class);
if (dbReps.size() > 0)
{
for (StudentDatabaseFormat dbRep : dbReps)
{
if (dbRep.getStudentID().equals(studentID))
{
return dbRep.getColour();
}
}
}
}
finally
{
db.close();
}
return "white";
}
示例3: getStudentGallery
import com.db4o.ObjectContainer; //导入依赖的package包/类
/**
* Gets the student gallery.
*
* @param studentID
* the student id
* @param hostName
* the host name
* @return the student gallery
*/
public static ArrayList<GalleryItemDatabaseFormat> getStudentGallery(String studentID, String hostName)
{
ObjectContainer db = Db4oClientServer.openClient(generateConfig(), hostName, Database.DB_PORT, Database.DB_USER, Database.DB_PASS);
try
{
List<StudentDatabaseFormat> dbReps = db.query(StudentDatabaseFormat.class);
if (dbReps.size() > 0)
{
for (StudentDatabaseFormat dbRep : dbReps)
{
if (dbRep.getStudentID().equals(studentID))
{
return dbRep.getGalleryItems();
}
}
}
}
finally
{
db.close();
}
return new ArrayList<GalleryItemDatabaseFormat>();
}
示例4: getStudentRepresentationFromDatabase
import com.db4o.ObjectContainer; //导入依赖的package包/类
/**
* Gets the student representation from database.
*
* @param studentID
* the student id
* @param hostName
* the host name
* @param stage
* the stage
* @return the student representation from database
*/
public static StudentRepresentation getStudentRepresentationFromDatabase(final String studentID, String hostName, IStage stage)
{
ObjectContainer db = Db4oClientServer.openClient(generateConfig(), hostName, Database.DB_PORT, Database.DB_USER, Database.DB_PASS);
try
{
List<StudentDatabaseFormat> dbReps = db.query(StudentDatabaseFormat.class);
if (dbReps.size() > 0)
{
for (StudentDatabaseFormat dbRep : dbReps)
{
if (dbRep.getStudentID().equals(studentID))
{
StudentRepresentation studentRep = dbToStudentRep(dbRep, stage);
return studentRep;
}
}
}
}
finally
{
db.close();
}
return null;
}
示例5: getStudentsFromDatabase
import com.db4o.ObjectContainer; //导入依赖的package包/类
/**
* Gets the students from database.
*
* @param hostName
* the host name
* @return the students from database
*/
public static ArrayList<Student> getStudentsFromDatabase(String hostName)
{
ArrayList<Student> toReturn = new ArrayList<Student>();
ObjectContainer db = Db4oClientServer.openClient(generateConfig(), hostName, Database.DB_PORT, Database.DB_USER, Database.DB_PASS);
try
{
List<StudentDatabaseFormat> dbReps = db.query(StudentDatabaseFormat.class);
if (dbReps.size() > 0)
{
for (StudentDatabaseFormat dbRep : dbReps)
{
Student student = dbToStudent(dbRep);
toReturn.add(student);
}
}
}
finally
{
db.close();
}
return toReturn;
}
示例6: moveStudent
import com.db4o.ObjectContainer; //导入依赖的package包/类
/**
* Move student.
*
* @param studentID
* the student id
* @param newClass
* the new class
* @param hostName
* the host name
*/
public static void moveStudent(String studentID, String newClass, String hostName)
{
ObjectContainer db = Db4oClientServer.openClient(generateConfig(), hostName, Database.DB_PORT, Database.DB_USER, Database.DB_PASS);
try
{
List<StudentDatabaseFormat> dbReps = db.query(StudentDatabaseFormat.class);
if (dbReps.size() > 0)
{
for (StudentDatabaseFormat dbRep : dbReps)
{
if (dbRep.getStudentID().equals(studentID))
{
dbRep.setClassname(newClass);
db.delete(dbRep);
db.store(dbRep);
break;
}
}
}
}
finally
{
db.close();
}
}
示例7: removeStudentsOfClass
import com.db4o.ObjectContainer; //导入依赖的package包/类
/**
* Removes the students of class.
*
* @param className
* the class name
* @param hostName
* the host name
*/
public static void removeStudentsOfClass(String className, String hostName)
{
ObjectContainer db = Db4oClientServer.openClient(generateConfig(), hostName, Database.DB_PORT, Database.DB_USER, Database.DB_PASS);
try
{
List<StudentDatabaseFormat> dbReps = db.query(StudentDatabaseFormat.class);
if (dbReps != null)
{
for (StudentDatabaseFormat dbRep : dbReps)
{
if (dbRep.getClassName().equalsIgnoreCase(className))
{
db.delete(dbRep);
}
}
}
}
finally
{
db.close();
}
}
示例8: createConnection
import com.db4o.ObjectContainer; //导入依赖的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9: retrieveSystem
import com.db4o.ObjectContainer; //导入依赖的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10: clearSystem
import com.db4o.ObjectContainer; //导入依赖的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11: registerEventOnContainer
import com.db4o.ObjectContainer; //导入依赖的package包/类
/**
* 采用底层事件触发callBack机制自动实现AutoIncrement id的支持
* 使用方法：bean实例只需继承IDHolder类，即可自动增加一个自增的id字段
* @param
* @return void
* @throws
* 2013-9-4 下午02:54:44
*/
public void registerEventOnContainer(final ObjectContainer container) {
// #example: use events to assign the ids
final AutoIncrement increment = new AutoIncrement(container);
EventRegistry eventRegistry = EventRegistryFactory.forObjectContainer(container);
eventRegistry.creating().addListener(new EventListener4<CancellableObjectEventArgs>() {
public void onEvent(Event4<CancellableObjectEventArgs> event4,
CancellableObjectEventArgs objectArgs) {
if(objectArgs.object() instanceof IDHolder){
IDHolder idHolder = (IDHolder) objectArgs.object();
idHolder.setId(increment.getNextID(idHolder.getClass()));
}
}
});
eventRegistry.committing().addListener(new EventListener4<CommitEventArgs>() {
public void onEvent(Event4<CommitEventArgs> commitEventArgsEvent4,
CommitEventArgs commitEventArgs) {
increment.storeState();
}
});
// #end example
}
示例12: save
import com.db4o.ObjectContainer; //导入依赖的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13: getKeys
import com.db4o.ObjectContainer; //导入依赖的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14: getAll
import com.db4o.ObjectContainer; //导入依赖的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15: put
import com.db4o.ObjectContainer; //导入依赖的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();
}