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[New] Implemented locking for Strolch elements 

Also cleaned up hierarchy of StrolchTransaction by moving up everything
into AbstractTransaction as made sense and added special delegation
methods for the actual commit() and rollback() ind the concrete
implementations.
This commit is contained in:
Robert von Burg 2014-02-24 21:49:02 +01:00
parent b9c7278911
commit e11625998a
3 changed files with 17 additions and 74 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/main/java/li/strolch/persistence/xml/XmlPersistenceHandler.java
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@ -20,7 +20,7 @@ import java.util.Properties;
import li.strolch.agent.api.ComponentContainer;
import li.strolch.agent.api.StrolchComponent;
import li.strolch.agent.impl.StrolchRealm;
import li.strolch.agent.api.StrolchRealm;
import li.strolch.model.Order;
import li.strolch.model.Resource;
import li.strolch.model.Tags;

79
src/main/java/li/strolch/persistence/xml/XmlStrolchTransaction.java
View File

@ -17,13 +17,9 @@ package li.strolch.persistence.xml;
import java.util.Set;
import li.strolch.agent.impl.StrolchRealm;
import li.strolch.model.StrolchElement;
import li.strolch.agent.api.StrolchRealm;
import li.strolch.persistence.api.AbstractTransaction;
import li.strolch.persistence.api.PersistenceHandler;
import li.strolch.persistence.api.StrolchPersistenceException;
import li.strolch.persistence.api.TransactionCloseStrategy;
import li.strolch.runtime.observer.ObserverHandler;
import ch.eitchnet.xmlpers.api.ModificationResult;
import ch.eitchnet.xmlpers.api.PersistenceTransaction;
import ch.eitchnet.xmlpers.api.TransactionResult;
@ -31,40 +27,12 @@ import ch.eitchnet.xmlpers.api.TransactionResult;
public class XmlStrolchTransaction extends AbstractTransaction {
private XmlPersistenceHandler persistenceHandler;
private ObserverHandler observerHandler;
private boolean suppressUpdates;
private PersistenceTransaction tx;
private TransactionCloseStrategy closeStrategy;
public XmlStrolchTransaction(StrolchRealm realm, PersistenceTransaction tx, XmlPersistenceHandler persistenceHandler) {
super(realm);
this.persistenceHandler = persistenceHandler;
this.suppressUpdates = false;
this.tx = tx;
this.closeStrategy = TransactionCloseStrategy.COMMIT;
}
/**
* @param observerHandler
* the observerHandler to set
*/
public void setObserverHandler(ObserverHandler observerHandler) {
this.observerHandler = observerHandler;
}
/**
* @param suppressUpdates
* the suppressUpdates to set
*/
public void setSuppressUpdates(boolean suppressUpdates) {
this.suppressUpdates = suppressUpdates;
}
/**
* @return the suppressUpdates
*/
public boolean isSuppressUpdates() {
return this.suppressUpdates;
}
PersistenceTransaction getTx() {
@ -72,49 +40,24 @@ public class XmlStrolchTransaction extends AbstractTransaction {
}
@Override
public void setCloseStrategy(TransactionCloseStrategy closeStrategy) {
this.closeStrategy = closeStrategy;
}
@Override
public void autoCloseableCommit() {
TransactionResult txResult = new TransactionResult();
if (!this.suppressUpdates && this.observerHandler != null) {
this.tx.setTransactionResult(txResult);
}
protected void commit(li.strolch.persistence.api.TransactionResult txResult) throws Exception {
TransactionResult result = new TransactionResult();
this.tx.setTransactionResult(result);
this.tx.autoCloseableCommit();
logger.info(txResult.getLogMessage());
if (!this.suppressUpdates && this.observerHandler != null) {
Set<String> keys = txResult.getKeys();
for (String key : keys) {
ModificationResult modificationResult = txResult.getModificationResult(key);
this.observerHandler.add(key, modificationResult.<StrolchElement> getCreated());
this.observerHandler.update(key, modificationResult.<StrolchElement> getUpdated());
this.observerHandler.remove(key, modificationResult.<StrolchElement> getDeleted());
}
Set<String> keys = result.getKeys();
for (String key : keys) {
ModificationResult modificationResult = result.getModificationResult(key);
li.strolch.persistence.api.ModificationResult mr = new li.strolch.persistence.api.ModificationResult(key,
modificationResult.getCreated(), modificationResult.getUpdated(), modificationResult.getDeleted());
txResult.addModificationResult(mr);
}
}
@Override
public void autoCloseableRollback() {
protected void rollback(li.strolch.persistence.api.TransactionResult txResult) throws Exception {
this.tx.autoCloseableRollback();
}
@Override
public void close() throws StrolchPersistenceException {
this.closeStrategy.close(this);
}
@Override
public boolean isOpen() {
return this.tx.isOpen();
}
@Override
public PersistenceHandler getPersistenceHandler() {
return this.persistenceHandler;

10
src/test/java/li/strolch/persistence/impl/dao/test/ObserverUpdateTest.java
View File

@ -29,6 +29,7 @@ import li.strolch.model.Order;
import li.strolch.model.Resource;
import li.strolch.model.State;
import li.strolch.model.StrolchElement;
import li.strolch.model.Tags;
import li.strolch.persistence.api.StrolchTransaction;
import li.strolch.runtime.StrolchConstants;
import li.strolch.runtime.observer.Observer;
@ -106,8 +107,8 @@ public class ObserverUpdateTest {
// register an observer for orders and resources
ElementAddedObserver observer = new ElementAddedObserver();
runtimeMock.getContainer().getComponent(ObserverHandler.class).registerObserver("Order", observer); //$NON-NLS-1$
runtimeMock.getContainer().getComponent(ObserverHandler.class).registerObserver("Resource", observer); //$NON-NLS-1$
runtimeMock.getContainer().getComponent(ObserverHandler.class).registerObserver(Tags.ORDER, observer); //$NON-NLS-1$
runtimeMock.getContainer().getComponent(ObserverHandler.class).registerObserver(Tags.RESOURCE, observer); //$NON-NLS-1$
// create order
Order newOrder = createOrder("MyTestOrder", "Test Name", "TestType", new Date(), State.CREATED); //$NON-NLS-1$//$NON-NLS-2$ //$NON-NLS-3$
@ -122,8 +123,7 @@ public class ObserverUpdateTest {
}
assertEquals(2, observer.results.size());
assertEquals(1, observer.results.get("Order").getCreated().size()); //$NON-NLS-1$
assertEquals(1, observer.results.get("Resource").getCreated().size()); //$NON-NLS-1$
assertEquals(1, observer.results.get(Tags.ORDER).getCreated().size()); //$NON-NLS-1$
assertEquals(1, observer.results.get(Tags.RESOURCE).getCreated().size()); //$NON-NLS-1$
}
}