public String toString() {
StringBuffer sb = new StringBuffer(32);
sb.append("ChildAssoc")
.append("[ id=")
.append(id)
.append(", parent=")
.append(parent.getId())
.append(", child=")
.append(child.getId())
.append(", child name=")
.append(childNodeName)
.append(", child name crc=")
.append(childNodeNameCrc)
.append(", assoc type=")
.append(typeQNameId)
.append(", assoc qname ns=")
.append(qnameNamespaceId)
.append(", assoc qname localname=")
.append(qnameLocalName)
.append(", assoc qname crc=")
.append(qnameCrc)
.append(", isPrimary=")
.append(isPrimary)
.append("]");
return sb.toString();
}
/**
* {@inheritDoc}
*
* <p>This method is thread-safe and lazily creates the required references, if required.
*/
public ChildAssociationRef getChildAssocRef(QNameDAO qnameDAO) {
boolean trashReference = false;
// first check if it is available
refReadLock.lock();
try {
if (childAssocRef != null) {
// double check that the parent and child node references match those of our reference
if (childAssocRef.getParentRef() != parent.getNodeRef()
|| childAssocRef.getChildRef() != child.getNodeRef()) {
trashReference = true;
} else {
// we are sure that the reference is correct
return childAssocRef;
}
}
} finally {
refReadLock.unlock();
}
// get write lock
refWriteLock.lock();
try {
// double check
if (childAssocRef == null || trashReference) {
if (typeQName == null) {
typeQName = qnameDAO.getQName(this.typeQNameId).getSecond();
}
if (qname == null) {
String qnameNamespace = qnameDAO.getNamespace(qnameNamespaceId).getSecond();
qname = QName.createQName(qnameNamespace, qnameLocalName);
}
childAssocRef =
new ChildAssociationRef(
typeQName, parent.getNodeRef(), qname, child.getNodeRef(), this.isPrimary, index);
}
return childAssocRef;
} finally {
refWriteLock.unlock();
}
}
public int hashCode() {
return (child == null ? 0 : child.hashCode());
}