/** Used for forced update of a bean. */
public PersistRequestBean(
SpiEbeanServer server,
T bean,
Object parentBean,
BeanManager<T> mgr,
SpiTransaction t,
PersistExecute persistExecute,
Set<String> updateProps,
ConcurrencyMode concurrencyMode) {
super(server, t, persistExecute);
this.beanManager = mgr;
this.beanDescriptor = mgr.getBeanDescriptor();
this.beanPersistListener = beanDescriptor.getPersistListener();
this.bean = bean;
this.parentBean = parentBean;
this.controller = beanDescriptor.getPersistController();
this.concurrencyMode = beanDescriptor.getConcurrencyMode();
this.concurrencyMode = concurrencyMode;
this.loadedProps = updateProps;
this.changedProps = updateProps;
this.vanilla = true;
this.isDirty = true;
this.oldValues = bean;
if (bean instanceof EntityBean) {
this.intercept = ((EntityBean) bean)._ebean_getIntercept();
} else {
this.intercept = null;
}
}
@SuppressWarnings("unchecked")
public PersistRequestBean(
SpiEbeanServer server,
T bean,
Object parentBean,
BeanManager<T> mgr,
SpiTransaction t,
PersistExecute persistExecute) {
super(server, t, persistExecute);
this.beanManager = mgr;
this.beanDescriptor = mgr.getBeanDescriptor();
this.beanPersistListener = beanDescriptor.getPersistListener();
this.bean = bean;
this.parentBean = parentBean;
this.controller = beanDescriptor.getPersistController();
this.concurrencyMode = beanDescriptor.getConcurrencyMode();
if (bean instanceof EntityBean) {
this.intercept = ((EntityBean) bean)._ebean_getIntercept();
if (intercept.isReference()) {
// allowed to delete reference objects
// with no concurrency checking
this.concurrencyMode = ConcurrencyMode.NONE;
}
// this is ok to not use isNewOrDirty() as used for updates only
this.isDirty = intercept.isDirty();
if (!isDirty) {
this.changedProps = intercept.getChangedProps();
} else {
// merge changed properties on the bean with changed embedded beans
Set<String> beanChangedProps = intercept.getChangedProps();
Set<String> dirtyEmbedded = beanDescriptor.getDirtyEmbeddedProperties(bean);
this.changedProps = mergeChangedProperties(beanChangedProps, dirtyEmbedded);
}
this.loadedProps = intercept.getLoadedProps();
this.oldValues = (T) intercept.getOldValues();
this.vanilla = false;
} else {
// have to assume the vanilla bean is dirty
this.vanilla = true;
this.isDirty = true;
this.loadedProps = null;
this.changedProps = null;
this.intercept = null;
// degrade concurrency checking to none for vanilla bean
if (concurrencyMode.equals(ConcurrencyMode.ALL)) {
this.concurrencyMode = ConcurrencyMode.NONE;
}
}
}
/**
* Create a GenerateDmlRequest used to generate the DML.
*
* <p>Will used changed properties or loaded properties depending on the
* BeanDescriptor.isUpdateChangesOnly() value.
*/
public GenerateDmlRequest createGenerateDmlRequest(boolean emptyStringAsNull) {
if (beanDescriptor.isUpdateChangesOnly()) {
return new GenerateDmlRequest(emptyStringAsNull, changedProps, loadedProps, oldValues);
} else {
return new GenerateDmlRequest(emptyStringAsNull, loadedProps, loadedProps, oldValues);
}
}
/** Allocate the property to a list. */
private void allocateToList(BeanProperty prop) {
if (prop.isTransient()) {
transients.add(prop);
if (prop.isDraft()) {
draft = prop;
}
return;
}
if (prop.isId()) {
ids.add(prop);
return;
} else {
nonTransients.add(prop);
}
if (prop.isMutableScalarType()) {
mutable.add(prop);
}
if (desc.getInheritInfo() != null && prop.isLocal()) {
local.add(prop);
}
if (prop instanceof BeanPropertyAssocMany<?>) {
manys.add((BeanPropertyAssocMany<?>) prop);
} else {
nonManys.add(prop);
if (prop instanceof BeanPropertyAssocOne<?>) {
BeanPropertyAssocOne<?> assocOne = (BeanPropertyAssocOne<?>) prop;
if (prop.isEmbedded()) {
embedded.add(assocOne);
} else {
ones.add(assocOne);
if (!assocOne.isOneToOneExported()) {
onesImported.add(assocOne);
}
}
} else {
// its a "base" property...
if (prop.isVersion()) {
if (versionProperty == null) {
versionProperty = prop;
} else {
logger.warn(
"Multiple @Version properties - property "
+ prop.getFullBeanName()
+ " not treated as a version property");
}
} else if (prop.isDraftDirty()) {
draftDirty = prop;
}
if (prop instanceof BeanPropertyCompound) {
baseCompound.add((BeanPropertyCompound) prop);
} else {
baseScalar.add(prop);
}
}
}
}
public void notifyCache() {
if (notifyCache) {
switch (type) {
case INSERT:
beanDescriptor.cacheInsert(idValue, this);
break;
case UPDATE:
beanDescriptor.cacheUpdate(idValue, this);
break;
case DELETE:
beanDescriptor.cacheDelete(idValue, this);
break;
default:
throw new IllegalStateException("Invalid type " + type);
}
}
}
/**
* Setup the load context at this path with OrmQueryProperties which is used to build the
* appropriate query for +query or +lazy loading.
*/
private void registerSecondaryQuery(OrmQueryProperties props) {
String propName = props.getPath();
ElPropertyValue elGetValue = rootDescriptor.getElGetValue(propName);
boolean many = elGetValue.getBeanProperty().containsMany();
registerSecondaryNode(many, props);
}
/** Generate and bind the insert statement. */
@Override
public void bind() throws SQLException {
BeanDescriptor<?> desc = persistRequest.getBeanDescriptor();
EntityBean bean = persistRequest.getEntityBean();
Object idValue = desc.getId(bean);
boolean withId = !DmlUtil.isNullOrZero(idValue);
// check to see if we are going to use generated keys
if (!withId) {
if (concatinatedKey) {
// expecting a concatenated key that can
// be built from supplied AssocOne beans
withId = meta.deriveConcatenatedId(persistRequest);
} else if (meta.supportsGetGeneratedKeys()) {
// Identity with getGeneratedKeys
useGeneratedKeys = true;
} else {
// use a query to get the last inserted id
selectLastInsertedId = meta.getSelectLastInsertedId();
}
}
SpiTransaction t = persistRequest.getTransaction();
// get the appropriate sql
sql = meta.getSql(withId);
PreparedStatement pstmt;
if (persistRequest.isBatched()) {
pstmt = getPstmt(t, sql, persistRequest, useGeneratedKeys);
} else {
pstmt = getPstmt(t, sql, useGeneratedKeys);
}
dataBind = new DataBind(pstmt);
// bind the bean property values
meta.bind(this, bean, withId);
logSql(sql);
}
/** Set the type of this request. One of INSERT, UPDATE, DELETE, UPDATESQL or CALLABLESQL. */
@Override
public void setType(Type type) {
this.type = type;
notifyCache = beanDescriptor.isCacheNotify();
if (type == Type.DELETE || type == Type.UPDATE) {
if (oldValues == null) {
oldValues = bean;
}
}
}
/** Set the generated key back to the bean. Only used for inserts with getGeneratedKeys. */
public void setGeneratedKey(Object idValue) {
if (idValue != null) {
// set back to the bean so that we can use the same bean later
// for update [refer ebeanIntercept.setLoaded(true)].
idValue = beanDescriptor.convertSetId(idValue, bean);
// remember it for logging summary
this.idValue = idValue;
}
}
/**
* The hash used to register the bean with the transaction.
*
* <p>Takes into account the class type and id value.
*/
private Integer getBeanHash() {
if (beanHash == null) {
Object id = beanDescriptor.getId(bean);
int hc = 31 * bean.getClass().getName().hashCode();
if (id != null) {
hc += id.hashCode();
}
beanHash = Integer.valueOf(hc);
}
return beanHash;
}
protected void executeDerivedRelationships() {
List<DerivedRelationshipData> derivedRelationships = persistRequest.getDerivedRelationships();
if (derivedRelationships != null) {
SpiEbeanServer ebeanServer = (SpiEbeanServer) persistRequest.getEbeanServer();
for (int i = 0; i < derivedRelationships.size(); i++) {
DerivedRelationshipData derivedRelationshipData = derivedRelationships.get(i);
BeanDescriptor<?> beanDescriptor =
ebeanServer.getBeanDescriptor(derivedRelationshipData.getBean().getClass());
BeanProperty prop =
beanDescriptor.getBeanProperty(derivedRelationshipData.getLogicalName());
EntityBean entityBean = (EntityBean) derivedRelationshipData.getBean();
entityBean._ebean_getIntercept().markPropertyAsChanged(prop.getPropertyIndex());
ebeanServer.update(entityBean, transaction);
}
}
}
/**
* Add the bean to the collection passed.
*
* @param bean the bean to add
* @param collection the collection or map to add the bean to
*/
@SuppressWarnings({"unchecked", "rawtypes"})
public void add(EntityBean bean, Object collection) {
if (bean == null) {
return;
}
rowCount++;
if (isMap) {
Object keyValue;
if (mapKey != null) {
// use the value for the property
keyValue = desc.getValue(bean, mapKey);
} else {
// use the uniqueId for this
keyValue = desc.getId(bean);
}
Map mapColl = (Map) collection;
mapColl.put(keyValue, bean);
} else {
((Collection) collection).add(bean);
}
}
/**
* Determine the concurrency mode depending on fully/partially populated bean.
*
* <p>Specifically with version concurrency we want to check that the version property was one of
* the loaded properties.
*/
public ConcurrencyMode determineConcurrencyMode() {
if (loadedProps != null) {
// 'partial bean' update/delete...
if (concurrencyMode.equals(ConcurrencyMode.VERSION)) {
// check the version property was loaded
BeanProperty prop = beanDescriptor.firstVersionProperty();
if (prop != null && loadedProps.contains(prop.getName())) {
// OK to use version property
} else {
concurrencyMode = ConcurrencyMode.NONE;
}
}
}
return concurrencyMode;
}
/** Return a summary description of this query. */
public String getSummary() {
StringBuilder sb = new StringBuilder(80);
sb.append("FindIds exeMicros[")
.append(executionTimeMicros)
.append("] rows[")
.append(rowCount)
.append("] type[")
.append(desc.getName())
.append("] predicates[")
.append(predicates.getLogWhereSql())
.append("] bind[")
.append(bindLog)
.append("]");
return sb.toString();
}
private void logSummary() {
String name = beanDescriptor.getName();
switch (type) {
case INSERT:
transaction.logInternal("Inserted [" + name + "] [" + idValue + "]");
break;
case UPDATE:
transaction.logInternal("Updated [" + name + "] [" + idValue + "]");
break;
case DELETE:
transaction.logInternal("Deleted [" + name + "] [" + idValue + "]");
break;
default:
break;
}
}
public void setLoadedState() {
if (ebi != null) {
// takes into account reference beans
beanDescriptor.setLoadedProps(ebi, loadedProps);
}
}
/** There is a many property so we need to make sure the ordering is appropriate. */
private String deriveOrderByWithMany(BeanPropertyAssocMany<?> manyProp) {
if (manyProp == null) {
return parseOrderBy();
}
String orderBy = parseOrderBy();
BeanDescriptor<?> desc = request.getBeanDescriptor();
String orderById = desc.getDefaultOrderBy();
if (orderBy == null) {
orderBy = orderById;
}
// check for default ordering on the many property...
String manyOrderBy = manyProp.getFetchOrderBy();
if (manyOrderBy != null) {
orderBy = orderBy + ", " + CQueryBuilder.prefixOrderByFields(manyProp.getName(), manyOrderBy);
}
if (request.isFindById()) {
// only one master bean so should be fine...
return orderBy;
}
if (orderBy.startsWith(orderById)) {
return orderBy;
}
// more than one top level row may be returned so
// we need to make sure their is an order by on the
// top level first (to ensure master/detail construction).
int manyPos = orderBy.indexOf(manyProp.getName());
int idPos = orderBy.indexOf(" " + orderById);
if (manyPos == -1) {
// no ordering of the many
if (idPos == -1) {
// append the orderById so that master level objects are ordered
// even if the orderBy is not unique for the master object
return orderBy + ", " + orderById;
}
// orderById is already in the order by clause
return orderBy;
}
if (idPos <= -1 || idPos >= manyPos) {
if (idPos > manyPos) {
// there was an error with the order by...
String msg =
"A Query on ["
+ desc
+ "] includes a join to a 'many' association ["
+ manyProp.getName();
msg += "] with an incorrect orderBy [" + orderBy + "]. The id property [" + orderById + "]";
msg += " must come before the many property [" + manyProp.getName() + "] in the orderBy.";
msg += " Ebean has automatically modified the orderBy clause to do this.";
logger.warn(msg);
}
// the id needs to come before the manyPropName
orderBy = orderBy.substring(0, manyPos) + orderById + ", " + orderBy.substring(manyPos);
}
return orderBy;
}
/**
* Return true if the update DML/SQL must be dynamically generated.
*
* <p>This is the case for updates/deletes of partially populated beans.
*/
public boolean isDynamicUpdateSql() {
return !vanilla && beanDescriptor.isUpdateChangesOnly() || (loadedProps != null);
}
/** Validate the bean. This is not recursive and only runs the 'local' validation rules. */
public void validate() {
InvalidValue errs = beanDescriptor.validate(false, bean);
if (errs != null) {
throw new ValidationException(errs);
}
}
/** Return the Id value for the bean. */
public Object getBeanId() {
return beanDescriptor.getId(bean);
}
/**
* Returns a description of the request. This is typically the bean class name or the base table
* for MapBeans.
*
* <p>Used to determine common persist requests for queueing and statement batching.
*/
public String getFullName() {
return beanDescriptor.getFullName();
}
/** Execute the query returning the row count. */
public BeanIdList findIds() throws SQLException {
long startNano = System.nanoTime();
try {
// get the list that we are going to put the id's into.
// This was already set so that it is available to be
// read by other threads (it is a synchronised list)
List<Object> idList = query.getIdList();
if (idList == null) {
// running in foreground thread (not FutureIds query)
idList = Collections.synchronizedList(new ArrayList<Object>());
query.setIdList(idList);
}
BeanIdList result = new BeanIdList(idList);
SpiTransaction t = request.getTransaction();
Connection conn = t.getInternalConnection();
pstmt = conn.prepareStatement(sql);
if (query.getBufferFetchSizeHint() > 0) {
pstmt.setFetchSize(query.getBufferFetchSizeHint());
}
if (query.getTimeout() > 0) {
pstmt.setQueryTimeout(query.getTimeout());
}
bindLog = predicates.bind(new DataBind(pstmt));
ResultSet rset = pstmt.executeQuery();
dataReader = new RsetDataReader(rset);
boolean hitMaxRows = false;
boolean hasMoreRows = false;
rowCount = 0;
DbReadContext ctx = new DbContext();
while (rset.next()) {
Object idValue = desc.getIdBinder().read(ctx);
idList.add(idValue);
// reset back to 0
dataReader.resetColumnPosition();
rowCount++;
if (maxRows > 0 && rowCount == maxRows) {
hitMaxRows = true;
hasMoreRows = rset.next();
break;
}
}
if (hitMaxRows) {
result.setHasMore(hasMoreRows);
}
long exeNano = System.nanoTime() - startNano;
executionTimeMicros = (int) exeNano / 1000;
return result;
} finally {
close();
}
}
private BeanProperty getBeanProperty(BeanDescriptor<?> desc, String path) {
return desc.getBeanPropertyFromPath(path);
}
