boolean getMoreRelationships(NodeManager nodeManager) {
// ArrayMap<String, IntArray> tmpRelMap = relationshipMap;
Pair<ArrayMap<String, RelIdArray>, Map<Long, RelationshipImpl>> pair;
synchronized (this) {
if (!relChainPosition.hasMore()) {
return false;
}
pair = nodeManager.getMoreRelationships(this);
ArrayMap<String, RelIdArray> addMap = pair.first();
if (addMap.size() == 0) {
return false;
}
for (String type : addMap.keySet()) {
RelIdArray addRels = addMap.get(type);
// IntArray srcRels = tmpRelMap.get( type );
RelIdArray srcRels = relationshipMap.get(type);
if (srcRels == null) {
relationshipMap.put(type, addRels);
} else {
srcRels.addAll(addRels);
}
}
}
nodeManager.putAllInRelCache(pair.other());
return true;
}
List<RelTypeElementIterator> getAllRelationships(NodeManager nodeManager) {
ensureRelationshipMapNotNull(nodeManager);
List<RelTypeElementIterator> relTypeList = new LinkedList<RelTypeElementIterator>();
ArrayMap<String, IntArray> addMap = nodeManager.getCowRelationshipAddMap(this);
for (String type : relationshipMap.keySet()) {
IntArray src = relationshipMap.get(type);
IntArray remove = nodeManager.getCowRelationshipRemoveMap(this, type);
IntArray add = null;
if (addMap != null) {
add = addMap.get(type);
}
if (src != null || add != null) {
relTypeList.add(RelTypeElement.create(type, this, src, add, remove));
}
}
if (addMap != null) {
for (String type : addMap.keySet()) {
if (relationshipMap.get(type) == null) {
IntArray remove = nodeManager.getCowRelationshipRemoveMap(this, type);
IntArray add = addMap.get(type);
relTypeList.add(RelTypeElement.create(type, this, null, add, remove));
}
}
}
return relTypeList;
}
List<RelTypeElementIterator> getAllRelationships(NodeManager nodeManager) {
ensureRelationshipMapNotNull(nodeManager);
List<RelTypeElementIterator> relTypeList = new LinkedList<RelTypeElementIterator>();
boolean hasModifications = nodeManager.getLockReleaser().hasRelationshipModifications(this);
ArrayMap<String, RelIdArray> addMap = null;
if (hasModifications) {
addMap = nodeManager.getCowRelationshipAddMap(this);
}
for (String type : relationshipMap.keySet()) {
RelIdArray src = relationshipMap.get(type);
RelIdArray remove = null;
RelIdArray add = null;
if (hasModifications) {
remove = nodeManager.getCowRelationshipRemoveMap(this, type);
if (addMap != null) {
add = addMap.get(type);
}
}
// if ( src != null || add != null )
// {
relTypeList.add(RelTypeElement.create(type, this, src, add, remove));
// }
}
if (addMap != null) {
for (String type : addMap.keySet()) {
if (relationshipMap.get(type) == null) {
RelIdArray remove = nodeManager.getCowRelationshipRemoveMap(this, type);
RelIdArray add = addMap.get(type);
relTypeList.add(RelTypeElement.create(type, this, null, add, remove));
}
}
}
return relTypeList;
}
@Before
public void createTestingGraph() {
Node node1 = getGraphDb().createNode();
Node node2 = getGraphDb().createNode();
Relationship rel = node1.createRelationshipTo(node2, MyRelTypes.TEST);
node1Id = (int) node1.getId();
node2Id = (int) node2.getId();
node1.setProperty(key1, int1);
node1.setProperty(key2, string1);
node2.setProperty(key1, int2);
node2.setProperty(key2, string2);
rel.setProperty(key1, int1);
rel.setProperty(key2, string1);
node1.setProperty(arrayKey, array);
node2.setProperty(arrayKey, array);
rel.setProperty(arrayKey, array);
Transaction tx = getTransaction();
tx.success();
tx.finish();
NodeManager nodeManager =
((EmbeddedGraphDatabase) getGraphDb()).getConfig().getGraphDbModule().getNodeManager();
nodeManager.clearCache();
tx = getGraphDb().beginTx();
setTransaction(tx);
}
private void populateRelationshipPropertyEvents(
PrimitiveElement element, TransactionDataImpl result) {
for (long relId : element.relationships.keySet()) {
CowRelElement relElement = element.relationships.get(relId);
RelationshipProxy rel = nodeManager.newRelationshipProxyById(relId);
RelationshipImpl relImpl = nodeManager.getRelationshipForProxy(relId);
if (relElement.isDeleted()) {
if (primitiveElement.createdRelationships.contains(relId)) {
continue;
}
// note: this is done in node populate data
// result.deleted( rel );
}
if (relElement.propertyAddMap != null && !relElement.isDeleted()) {
for (DefinedProperty data : relElement.propertyAddMap.values()) {
String key = nodeManager.getKeyForProperty(data);
Object oldValue = relImpl.getCommittedPropertyValue(nodeManager, key);
Object newValue = data.value();
result.assignedProperty(rel, key, newValue, oldValue);
}
}
if (relElement.propertyRemoveMap != null) {
for (DefinedProperty data : relElement.propertyRemoveMap.values()) {
String key = nodeManager.getKeyForProperty(data);
Object oldValue = data.value();
if (oldValue != null && !relElement.isDeleted()) {
relImpl.getCommittedPropertyValue(nodeManager, key);
}
result.removedProperty(rel, key, oldValue);
}
}
}
}
public void setReferenceNodeId(Long nodeId) {
nodeManager.setReferenceNodeId(nodeId.longValue());
try {
nodeManager.getReferenceNode();
} catch (NotFoundException e) {
log.warning("Reference node[" + nodeId + "] not valid.");
}
}
private void loadInitialRelationships(NodeManager nodeManager) {
Map<Long, RelationshipImpl> map = null;
synchronized (this) {
if (relationshipMap == null) {
this.relChainPosition = nodeManager.getRelationshipChainPosition(this);
ArrayMap<String, RelIdArray> tmpRelMap = new ArrayMap<String, RelIdArray>();
map = getMoreRelationships(nodeManager, tmpRelMap);
this.relationshipMap = tmpRelMap;
}
}
if (map != null) {
nodeManager.putAllInRelCache(map);
}
}
List<RelTypeElementIterator> getAllRelationshipsOfType(
NodeManager nodeManager, RelationshipType... types) {
ensureRelationshipMapNotNull(nodeManager);
List<RelTypeElementIterator> relTypeList = new LinkedList<RelTypeElementIterator>();
for (RelationshipType type : types) {
IntArray src = relationshipMap.get(type.name());
IntArray remove = nodeManager.getCowRelationshipRemoveMap(this, type.name());
IntArray add = nodeManager.getCowRelationshipAddMap(this, type.name());
if (src != null || add != null) {
relTypeList.add(RelTypeElement.create(type.name(), this, src, add, remove));
}
}
return relTypeList;
}
private void releaseCows(int param) {
if (primitiveElement == null) {
return;
}
ArrayMap<Long, CowNodeElement> cowNodeElements = primitiveElement.nodes;
Set<Entry<Long, CowNodeElement>> nodeEntrySet = cowNodeElements.entrySet();
for (Entry<Long, CowNodeElement> entry : nodeEntrySet) {
NodeImpl node = nodeManager.getNodeIfCached(entry.getKey());
if (node != null) {
CowNodeElement nodeElement = entry.getValue();
if (param == Status.STATUS_COMMITTED) {
node.commitRelationshipMaps(
nodeElement.relationshipAddMap, nodeElement.relationshipRemoveMap);
node.commitPropertyMaps(
nodeElement.propertyAddMap, nodeElement.propertyRemoveMap, nodeElement.firstProp);
} else if (param != Status.STATUS_ROLLEDBACK) {
throw new TransactionFailureException("Unknown transaction status: " + param);
}
int sizeAfter = node.sizeOfObjectInBytesIncludingOverhead();
nodeManager.updateCacheSize(node, sizeAfter);
}
}
ArrayMap<Long, CowRelElement> cowRelElements = primitiveElement.relationships;
Set<Entry<Long, CowRelElement>> relEntrySet = cowRelElements.entrySet();
for (Entry<Long, CowRelElement> entry : relEntrySet) {
RelationshipImpl rel = nodeManager.getRelIfCached(entry.getKey());
if (rel != null) {
CowRelElement relElement = entry.getValue();
if (param == Status.STATUS_COMMITTED) {
rel.commitPropertyMaps(
relElement.propertyAddMap,
relElement.propertyRemoveMap,
Record.NO_NEXT_PROPERTY.intValue());
} else if (param != Status.STATUS_ROLLEDBACK) {
throw new TransactionFailureException("Unknown transaction status: " + param);
}
int sizeAfter = rel.sizeOfObjectInBytesIncludingOverhead();
nodeManager.updateCacheSize(rel, sizeAfter);
}
}
if (primitiveElement.graph != null && param == Status.STATUS_COMMITTED) {
nodeManager
.getGraphProperties()
.commitPropertyMaps(
primitiveElement.graph.getPropertyAddMap(false),
primitiveElement.graph.getPropertyRemoveMap(false),
Record.NO_NEXT_PROPERTY.intValue());
}
}
private void populateNodeRelEvent(
PrimitiveElement element, TransactionDataImpl result, long nodeId, RelIdArray createdRels) {
for (RelIdIterator iterator = createdRels.iterator(DirectionWrapper.BOTH);
iterator.hasNext(); ) {
long relId = iterator.next();
CowRelElement relElement = element.relationships.get(relId);
if (relElement != null && relElement.isDeleted()) {
continue;
}
RelationshipProxy rel = nodeManager.newRelationshipProxyById(relId);
if (rel.getStartNode().getId() == nodeId) {
result.created(nodeManager.newRelationshipProxyById(relId));
}
}
}
public Long getCurrentReferenceNodeId() {
try {
return nodeManager.getReferenceNode().getId();
} catch (NotFoundException e) {
return -1L;
}
}
@Test
public void testTxCacheLoadIsolation() throws Exception {
Node node = getGraphDb().createNode();
node.setProperty("someproptest", "testing");
Node node1 = getGraphDb().createNode();
node1.setProperty("someotherproptest", 2);
commit();
EmbeddedGraphDatabase graphDb = (EmbeddedGraphDatabase) getGraphDb();
TransactionManager txManager = graphDb.getConfig().getTxModule().getTxManager();
NodeManager nodeManager = graphDb.getConfig().getGraphDbModule().getNodeManager();
txManager.begin();
node.setProperty("someotherproptest", "testing2");
Relationship rel = node.createRelationshipTo(node1, MyRelTypes.TEST);
javax.transaction.Transaction txA = txManager.suspend();
txManager.begin();
assertEquals("testing", node.getProperty("someproptest"));
assertTrue(!node.hasProperty("someotherproptest"));
assertTrue(!node.hasRelationship());
nodeManager.clearCache();
assertEquals("testing", node.getProperty("someproptest"));
assertTrue(!node.hasProperty("someotherproptest"));
javax.transaction.Transaction txB = txManager.suspend();
txManager.resume(txA);
assertEquals("testing", node.getProperty("someproptest"));
assertTrue(node.hasProperty("someotherproptest"));
assertTrue(node.hasRelationship());
nodeManager.clearCache();
assertEquals("testing", node.getProperty("someproptest"));
assertTrue(node.hasProperty("someotherproptest"));
assertTrue(node.hasRelationship());
txManager.suspend();
txManager.resume(txB);
assertEquals("testing", node.getProperty("someproptest"));
assertTrue(!node.hasProperty("someotherproptest"));
assertTrue(!node.hasRelationship());
txManager.rollback();
txManager.resume(txA);
node.delete();
node1.delete();
rel.delete();
txManager.commit();
newTransaction();
}
@Override
public StatementOperationParts newStatementOperations() {
// Store stuff
StatementOperationParts parts = delegate.newStatementOperations();
// + Caching
CachingStatementOperations cachingContext =
new CachingStatementOperations(
parts.entityReadOperations(),
parts.schemaReadOperations(),
persistenceCache,
schemaCache);
parts = parts.override(null, null, cachingContext, null, cachingContext, null, null);
// + Transaction-local state awareness
AuxiliaryStoreOperations auxStoreOperations = parts.resolve(AuxiliaryStoreOperations.class);
auxStoreOperations =
new LegacyAutoIndexAuxStoreOps(
auxStoreOperations,
propertyKeyTokenHolder,
nodeManager.getNodePropertyTrackers(),
nodeManager.getRelationshipPropertyTrackers(),
nodeManager);
StateHandlingStatementOperations stateHandlingContext =
new StateHandlingStatementOperations(
parts.entityReadOperations(),
parts.schemaReadOperations(),
auxStoreOperations,
constraintIndexCreator);
parts =
parts.override(
null,
null,
stateHandlingContext,
stateHandlingContext,
stateHandlingContext,
stateHandlingContext,
new SchemaStateConcern(schemaState));
// done
return parts;
}
public void delete(NodeManager nodeManager) {
nodeManager.acquireLock(this, LockType.WRITE);
boolean success = false;
try {
ArrayMap<Integer, PropertyData> skipMap = nodeManager.getCowPropertyRemoveMap(this, true);
ArrayMap<Integer, PropertyData> removedProps = nodeManager.deleteNode(this);
if (removedProps.size() > 0) {
for (int index : removedProps.keySet()) {
skipMap.put(index, removedProps.get(index));
}
}
success = true;
} finally {
nodeManager.releaseLock(this, LockType.WRITE);
if (!success) {
nodeManager.setRollbackOnly();
}
}
}
@Override
public void patchDeletedRelationshipNodes(
long relId,
long firstNodeId,
long firstNodeNextRelId,
long secondNodeId,
long secondNodeNextRelId) {
nodeManager.patchDeletedRelationshipNodes(
relId, firstNodeId, firstNodeNextRelId, secondNodeId, secondNodeNextRelId);
}
List<RelTypeElementIterator> getAllRelationshipsOfType(
NodeManager nodeManager, RelationshipType... types) {
ensureRelationshipMapNotNull(nodeManager);
List<RelTypeElementIterator> relTypeList = new LinkedList<RelTypeElementIterator>();
boolean hasModifications = nodeManager.getLockReleaser().hasRelationshipModifications(this);
for (RelationshipType type : types) {
RelIdArray src = relationshipMap.get(type.name());
RelIdArray remove = null;
RelIdArray add = null;
if (hasModifications) {
remove = nodeManager.getCowRelationshipRemoveMap(this, type.name());
add = nodeManager.getCowRelationshipAddMap(this, type.name());
}
// if ( src != null || add != null )
// {
relTypeList.add(RelTypeElement.create(type.name(), this, src, add, remove));
// }
}
return relTypeList;
}
private void populateCreatedNodes(PrimitiveElement element, TransactionDataImpl result) {
for (Long nodeId : getCreatedNodes()) {
if (element != null) {
CowNodeElement nodeElement = element.nodes.get(nodeId);
if (nodeElement != null && nodeElement.isDeleted()) {
continue;
}
}
result.created(nodeManager.newNodeProxyById(nodeId));
}
}
@Test
public void testSameTxWithArray() {
getTransaction().success();
getTransaction().finish();
newTransaction();
Node nodeA = getGraphDb().createNode();
Node nodeB = getGraphDb().createNode();
Relationship relA = nodeA.createRelationshipTo(nodeB, MyRelTypes.TEST);
nodeA.setProperty(arrayKey, array);
relA.setProperty(arrayKey, array);
NodeManager nodeManager =
((EmbeddedGraphDatabase) getGraphDb()).getConfig().getGraphDbModule().getNodeManager();
nodeManager.clearCache();
assertTrue(nodeA.getProperty(arrayKey) != null);
assertTrue(relA.getProperty(arrayKey) != null);
relA.delete();
nodeA.delete();
nodeB.delete();
}
@Test
public void testAddCacheCleared() {
Node nodeA = getGraphDb().createNode();
nodeA.setProperty("1", 1);
Node nodeB = getGraphDb().createNode();
Relationship rel = nodeA.createRelationshipTo(nodeB, MyRelTypes.TEST);
rel.setProperty("1", 1);
getTransaction().success();
getTransaction().finish();
newTransaction();
NodeManager nodeManager =
((EmbeddedGraphDatabase) getGraphDb()).getConfig().getGraphDbModule().getNodeManager();
nodeManager.clearCache();
nodeA.createRelationshipTo(nodeB, MyRelTypes.TEST);
int count = 0;
for (Relationship relToB : nodeA.getRelationships(MyRelTypes.TEST)) {
count++;
}
assertEquals(2, count);
nodeA.setProperty("2", 2);
assertEquals(1, nodeA.getProperty("1"));
rel.setProperty("2", 2);
assertEquals(1, rel.getProperty("1"));
nodeManager.clearCache();
// trigger empty load
getGraphDb().getNodeById(nodeA.getId());
getGraphDb().getRelationshipById(rel.getId());
// apply COW maps
getTransaction().success();
getTransaction().finish();
newTransaction();
count = 0;
for (Relationship relToB : nodeA.getRelationships(MyRelTypes.TEST)) {
count++;
}
assertEquals(2, count);
assertEquals(1, nodeA.getProperty("1"));
assertEquals(1, rel.getProperty("1"));
assertEquals(2, nodeA.getProperty("2"));
assertEquals(2, rel.getProperty("2"));
}
@Test
public void arrayIndexOutOfBoundsInRelTypeArrayWhenCreatingRelationshipsConcurrently()
throws Exception {
// GIVEN
// -- a node manager capable of serving light-weight RelationshipProxy capable of answering
// getId()
NodeManager nodeManager = mock(NodeManager.class);
when(nodeManager.newRelationshipProxyById(anyLong())).thenAnswer(relationshipProxyWithId());
// -- a node that says it cannot load any more relationships
NodeImpl node = mock(NodeImpl.class);
when(node.getMoreRelationships(nodeManager)).thenReturn(LoadStatus.NOTHING);
// -- a type iterator that at this point contains one relationship (0)
ControlledRelIdIterator typeIterator = new ControlledRelIdIterator(0L);
RelationshipIterator iterator =
new RelationshipIterator(
new RelIdIterator[] {typeIterator}, node, OUTGOING, nodeManager, false, false);
// -- go forth one step in the iterator
iterator.next();
// WHEN
// -- one relationship has been returned, and we're in the middle of the next call to next()
// typeIterator will get one more relationship in it. To mimic this we control the outcome of
// RelIdIterator#hasNext() so that we get to the correct branch in the RelationshipIterator
// code
typeIterator.queueHasNextAnswers(false, false, true);
long otherRelationship = 1, thirdRelationship = 2;
typeIterator.add(otherRelationship, thirdRelationship);
// -- go one more step, getting us into the state where the type index in RelationshipIterator
// was incremented by mistake. Although this particular call to next() succeeds
iterator.next();
// -- call next() again, where the first thing happening is to get the RelIdIterator with the
// now invalid type index, causing ArrayIndexOutOfBoundsException
Relationship returnedThirdRelationship = iterator.next();
// THEN
assertEquals(thirdRelationship, returnedThirdRelationship.getId());
}
private void populateNodeRelEvent(PrimitiveElement element, TransactionDataImpl result) {
for (long nodeId : element.nodes.keySet()) {
CowNodeElement nodeElement = element.nodes.get(nodeId);
NodeProxy node = nodeManager.newNodeProxyById(nodeId);
NodeImpl nodeImpl = nodeManager.getNodeForProxy(nodeId, null);
if (nodeElement.isDeleted()) {
if (primitiveElement.createdNodes.contains(nodeId)) {
continue;
}
result.deleted(node);
}
if (nodeElement.relationshipAddMap != null && !nodeElement.isDeleted()) {
for (Integer type : nodeElement.relationshipAddMap.keySet()) {
RelIdArray createdRels = nodeElement.relationshipAddMap.get(type);
populateNodeRelEvent(element, result, nodeId, createdRels);
}
}
if (nodeElement.relationshipRemoveMap != null) {
for (Integer type : nodeElement.relationshipRemoveMap.keySet()) {
Collection<Long> deletedRels = nodeElement.relationshipRemoveMap.get(type);
for (long relId : deletedRels) {
if (primitiveElement.createdRelationships.contains(relId)) {
continue;
}
RelationshipProxy rel = nodeManager.newRelationshipProxyById(relId);
if (rel.getStartNode().getId() == nodeId) {
result.deleted(nodeManager.newRelationshipProxyById(relId));
}
}
}
}
if (nodeElement.propertyAddMap != null && !nodeElement.isDeleted()) {
for (DefinedProperty data : nodeElement.propertyAddMap.values()) {
String key = nodeManager.getKeyForProperty(data);
Object oldValue = nodeImpl.getCommittedPropertyValue(nodeManager, key);
Object newValue = data.value();
result.assignedProperty(node, key, newValue, oldValue);
}
}
if (nodeElement.propertyRemoveMap != null) {
for (DefinedProperty data : nodeElement.propertyRemoveMap.values()) {
String key = nodeManager.getKeyForProperty(data);
Object oldValue = data.value();
if (oldValue == null && !nodeElement.isDeleted()) {
nodeImpl.getCommittedPropertyValue(nodeManager, key);
}
result.removedProperty(node, key, oldValue);
}
}
}
}
private Map<Long, RelationshipImpl> getMoreRelationships(
NodeManager nodeManager, ArrayMap<String, RelIdArray> tmpRelMap) {
if (!relChainPosition.hasMore()) {
return null;
}
Pair<ArrayMap<String, RelIdArray>, Map<Long, RelationshipImpl>> pair =
nodeManager.getMoreRelationships(this);
ArrayMap<String, RelIdArray> addMap = pair.first();
if (addMap.size() == 0) {
return null;
}
for (String type : addMap.keySet()) {
RelIdArray addRels = addMap.get(type);
RelIdArray srcRels = tmpRelMap.get(type);
if (srcRels == null) {
tmpRelMap.put(type, addRels);
} else {
srcRels.addAll(addRels);
}
}
return pair.other();
// nodeManager.putAllInRelCache( pair.other() );
}
public Iterable<RelationshipType> getRelationshipTypes() {
return nodeManager.getRelationshipTypes();
}
@Override
protected ArrayMap<Integer, PropertyData> loadProperties(NodeManager nodeManager, boolean light) {
return nodeManager.loadProperties(this, light);
}
@Override
protected void removeProperty(NodeManager nodeManager, long propertyId) {
nodeManager.nodeRemoveProperty(this, propertyId);
}
@Override
protected long addProperty(NodeManager nodeManager, PropertyIndex index, Object value) {
return nodeManager.nodeAddProperty(this, index, value);
}
@Override
protected void changeProperty(NodeManager nodeManager, long propertyId, Object value) {
nodeManager.nodeChangeProperty(this, propertyId, value);
}
public Relationship createRelationshipTo(
NodeManager nodeManager, Node otherNode, RelationshipType type) {
return nodeManager.createRelationship(this, otherNode, type);
}
// caller is responsible for acquiring lock
// this method is only called when a undo create relationship or
// a relationship delete is invoked.
void removeRelationship(NodeManager nodeManager, RelationshipType type, long relId) {
RelIdArray relationshipSet = nodeManager.getCowRelationshipRemoveMap(this, type.name(), true);
relationshipSet.add(relId);
}
public void start(
LockReleaser lockReleaser,
PersistenceManager persistenceManager,
RelationshipTypeCreator relTypeCreator,
Map<Object, Object> params) {
if (!startIsOk) {
return;
}
String cacheTypeName = (String) params.get(Config.CACHE_TYPE);
CacheType cacheType = null;
try {
cacheType = cacheTypeName != null ? CacheType.valueOf(cacheTypeName) : DEFAULT_CACHE_TYPE;
} catch (IllegalArgumentException e) {
throw new IllegalArgumentException(
"Invalid cache type, please use one of: "
+ Arrays.asList(CacheType.values())
+ " or keep empty for default ("
+ DEFAULT_CACHE_TYPE
+ ")",
e.getCause());
}
if (!readOnly) {
nodeManager =
new NodeManager(
graphDbService,
cacheManager,
lockManager,
lockReleaser,
transactionManager,
persistenceManager,
idGenerator,
relTypeCreator,
cacheType);
} else {
nodeManager =
new ReadOnlyNodeManager(
graphDbService,
cacheManager,
lockManager,
lockReleaser,
transactionManager,
persistenceManager,
idGenerator,
cacheType);
}
// load and verify from PS
RelationshipTypeData relTypes[] = null;
PropertyIndexData propertyIndexes[] = null;
// beginTx();
relTypes = persistenceManager.loadAllRelationshipTypes();
propertyIndexes = persistenceManager.loadPropertyIndexes(INDEX_COUNT);
// commitTx();
nodeManager.addRawRelationshipTypes(relTypes);
nodeManager.addPropertyIndexes(propertyIndexes);
if (propertyIndexes.length < INDEX_COUNT) {
nodeManager.setHasAllpropertyIndexes(true);
}
nodeManager.start(params);
startIsOk = false;
}