protected void _deleteDependencies() throws DBException {
DBField[] keyFlds = this.getKeyFields();
DBFieldValues fldVals = this.getFieldValues();
DBFactory fact = this.getFactory();
DBFactory childFact[] = fact.getChildFactories();
for (int i = 0; i < childFact.length; i++) {
DBRecordKey key = childFact[i].createKey(); // an empty key
for (int k = 0; k < keyFlds.length; k++) {
String fldName = keyFlds[k].getName();
if (fldVals.hasFieldValue(fldName)) {
Object fldValue = fldVals.getFieldValue(fldName);
key.setFieldValue(fldName, fldValue);
} else {
throw new DBException("Missing dependent key fields!");
}
}
// Do not perform recursive dependency deletion!
// - 'key' is an incomplete (partial key only), and dependency deletion would fail
// - all dependent children should already be specified by "getChildFactories()"
try {
int whereKeyType = DBWhere.KEY_PARTIAL_ALL; // Should use ALL available partial keys.
key._delete(null, whereKeyType); // primary key delete
} catch (SQLException sqe) {
throw new DBException("Record deletion", sqe);
}
}
}
/**
* ** Gets a virtual DBRecord from the specified remote service ** @param servReq The remote web
* service ** @return The virtual DBRecord (cannot be saved or reloaded)
*/
@SuppressWarnings("unchecked")
public gDBR getVirtualDBRecord(final ServiceRequest servReq) throws DBException {
String CMD_dbget = DBFactory.CMD_dbget;
String TAG_Response = servReq.getTagResponse();
String TAG_Record = DBFactory.TAG_Record;
String ATTR_command = servReq.getAttrCommand();
String ATTR_result = servReq.getAttrResult();
/* send request / get response */
Document xmlDoc = null;
try {
xmlDoc =
servReq.sendRequest(
CMD_dbget,
new ServiceRequest.RequestBody() {
public StringBuffer appendRequestBody(StringBuffer sb, int indent) {
return DBRecordKey.this.toRequestXML(sb, indent);
}
});
} catch (IOException ioe) {
Print.logException("Error", ioe);
throw new DBException("Request read error", ioe);
}
/* parse 'GTSResponse' */
Element gtsResponse = xmlDoc.getDocumentElement();
if (!gtsResponse.getTagName().equalsIgnoreCase(TAG_Response)) {
Print.logError("Request XML does not start with '%s'", TAG_Response);
throw new DBException("Response XML does not begin eith '" + TAG_Response + "'");
}
/* request command/argument */
String cmd = StringTools.trim(gtsResponse.getAttribute(ATTR_command));
String result = StringTools.trim(gtsResponse.getAttribute(ATTR_result));
if (StringTools.isBlank(result)) {
result = StringTools.trim(gtsResponse.getAttribute("type"));
}
if (!result.equalsIgnoreCase("success")) {
Print.logError("Response indicates failure");
throw new DBException("Response does not indicate 'success'");
}
/* Record */
NodeList rcdList = XMLTools.getChildElements(gtsResponse, TAG_Record);
if (rcdList.getLength() <= 0) {
Print.logError("No 'Record' tags");
throw new DBException("GTSResponse does not contain any 'Record' tags");
}
Element rcdElem = (Element) rcdList.item(0);
/* return DBRecord */
gDBR dbr = (gDBR) DBFactory.parseXML_DBRecord(rcdElem);
dbr.setVirtual(true);
return dbr;
}
/**
* ** Returns true if the parent records in their respective parent tables exist. ** @return True
* if the parent records exist.
*/
public boolean parentsExist() throws DBException {
DBFactory<gDBR> dbFact = this.getFactory();
DBFieldValues myFldVals = this.getFieldValues();
java.util.List<String> parentList = dbFact.getParentTables();
for (String parentTable : parentList) {
/* get parent table DBFactory */
Print.logInfo("[%s] Parent table: %s", this.getTableName(), parentTable);
DBFactory parentFact = DBFactory.getFactoryByName(parentTable);
if (parentFact == null) {
Print.logError("Unexpected error finding parent table: " + parentTable);
return false;
}
/* create parent record key with fields from this key */
DBRecordKey parentKey = parentFact.createKey(); // an empty key
DBField parentKeyFlds[] = parentFact.getKeyFields();
for (DBField pkf : parentKeyFlds) {
String pfn = pkf.getName();
/* get this DBField */
DBField myKeyFld = this.getField(pfn);
if (myKeyFld == null) {
Print.logError("Unexpected error finding field: [" + this.getTableName() + "] " + pfn);
return false;
}
/* get parent key field value */
Object pkv = myFldVals.getFieldValue(pfn);
if (pkv == null) {
Print.logError("Unexpected error finding parent field: [" + parentTable + "] " + pfn);
return false;
}
if (myKeyFld.isDefaultValue(pkv)) {
Print.logInfo("This key contains a global value, skipping parent check: " + parentTable);
parentKey = null;
break;
}
parentKey.setFieldValue(pfn, pkv);
}
/* check parent existence */
if ((parentKey != null) && !parentKey.exists()) {
Print.logError("Parent record does not exist: [" + parentTable + "] " + parentKey);
return false;
}
}
return true;
}
/** ** Encodes this DBRecordKey into XML for "GTSRequest' purposes */
private StringBuffer toRequestXML(StringBuffer sb, int indent) {
boolean isSoapReq = false;
if (sb == null) {
sb = new StringBuffer();
}
DBRecordKey<gDBR> recKey = this;
String tableName = recKey.getTableName();
DBField fld[] = recKey.getKeyFields(); // KEY fields
DBFieldValues fldVals = recKey.getFieldValues();
String PFX1 = XMLTools.PREFIX(isSoapReq, indent);
sb.append(PFX1);
sb.append(
XMLTools.startTAG(
isSoapReq,
DBFactory.TAG_Record,
XMLTools.ATTR(DBFactory.ATTR_table, tableName),
false,
true));
DBFactory.writeXML_DBFields(sb, 2 * indent, fld, fldVals, isSoapReq);
sb.append(PFX1);
sb.append(XMLTools.endTAG(isSoapReq, DBFactory.TAG_Record, true));
return sb;
}
/**
* ** Encodes this DBRecordKey into XML ** @param sb The StringBuffer to which the DBRecord XML is
* writen ** @param indent The number of spaces to indent ** @param sequence An optional record
* sequence number ** @param soapXML True for SOAP XML ** @return The StringBuffer
*/
public StringBuffer toXML(StringBuffer sb, int indent, int sequence, boolean soapXML) {
if (sb == null) {
sb = new StringBuffer();
}
String prefix = StringTools.replicateString(" ", indent);
DBRecordKey<gDBR> recKey = this;
String tableName = recKey.getTableName();
DBField fld[] = recKey.getKeyFields(); // KEY fields
DBFieldValues fldVals = recKey.getFieldValues();
String PFX1 = XMLTools.PREFIX(soapXML, indent);
sb.append(PFX1);
sb.append(
XMLTools.startTAG(
soapXML,
DBFactory.TAG_RecordKey,
XMLTools.ATTR(DBFactory.ATTR_table, tableName)
+ ((sequence > 0) ? XMLTools.ATTR(DBFactory.ATTR_sequence, sequence) : ""),
false,
true));
DBFactory.writeXML_DBFields(sb, 2 * indent, fld, fldVals, soapXML);
sb.append(PFX1);
sb.append(XMLTools.endTAG(soapXML, DBFactory.TAG_RecordKey, true));
return sb;
}