private static Relationship getRelationship(List<Relationship> rels, String attempName) {
for (Iterator<Relationship> iterator = rels.iterator(); iterator.hasNext(); ) {
Relationship rel = iterator.next();
if (rel.getSystemName().equalsIgnoreCase(attempName)) {
return rel;
}
}
return null;
}
/** Appends additional sqlWhere in relationship if any to the end of the join. */
private void appendAdditionalJoinCondition(
SqlWriter writer,
DatabaseType databaseType,
final String sourceVarName,
final String targetVarName) {
if (relationship.getSqlFilter() == null || relationship.getSqlFilter().length() == 0) {
return;
}
Node node = NodeFactory.parseExpression(relationship.getSqlFilter());
NodeVisitor visit =
new AbstractNodeVisitor() {
@Override
public boolean visitIdentifier(Identifier identifier) {
String path = identifier.getName();
int dotPos = path.indexOf('.');
if (dotPos < 0) {
throw new EJBQLException(
"Invalid sqlWhere in relationship: "
+ relationship
+ " - "
+ relationship.getSqlFilter());
}
String entityName = path.substring(0, dotPos);
if (entityName.equals(relationship.getSourceEntity().getSystemName())
|| entityName.equals(relationship.getSourceEntity().getTableName())) {
identifier.setName(sourceVarName + path.substring(dotPos));
} else if (entityName.equals(relationship.getTargetEntity().getSystemName())
|| entityName.equals(relationship.getTargetEntity().getTableName())) {
identifier.setName(targetVarName + path.substring(dotPos));
}
return true;
}
};
node.accept(visit);
writer.write(" AND ");
node.toString(writer, databaseType);
}
@Override
public void toString(SqlWriter writer, DatabaseType databaseType) {
if (context == null) {
writer.write(joinType == TYPE_INNER_JOIN ? "INNER JOIN" : "LEFT OUTER JOIN").write(" ");
if (fetch) {
writer.write("FETCH ").write(schemaName);
} else {
writer.write(schemaName).write(" ").write(variableName);
}
} else { // compiled.
if (joinType == TYPE_JOIN_TO_OUTER_QUERY) {
// no need to join, as join is handled in the where clause.
writer
.write(relationship.getTargetEntity().getTableName())
.append(' ')
.append(variableName);
return;
}
// normal joins - INNER/LEFT OUTER JOINS.
writer.write(joinType == TYPE_INNER_JOIN ? "INNER JOIN" : "LEFT OUTER JOIN").write(" ");
RelationshipJoinTable joinTable = relationship.getJoinTable();
// retrieve the source table info.
String schemaParent = QueryUtil.getPathParent(schemaName);
PathInfo sourceTable = context.getPathInfo(schemaParent);
if (sourceTable == null) {
throw new EJBQLException("Can not find source reference in the context: " + schemaParent);
}
String sourceTableVarName = sourceTable.varName;
if (joinTable == null) { // without join table.
// To-one may have filter too
boolean hasFilter = /*relationship.isToMany() &&*/
!StringUtilities.isEmpty(relationship.getSqlFilter());
writer.write(relationship.getTargetEntity().getTableName()).write(" ").write(variableName);
writer.write(" ON ");
if (hasFilter) {
writer.append("(");
}
writer
.append(sourceTableVarName)
.append('.')
.append(relationship.getSourceAttribute().getSystemName());
writer
.write(" = ")
.append(variableName)
.append('.')
.append(relationship.getTargetAttribute().getSystemName());
if (hasFilter) {
String filterCondition = relationship.getSqlFilter();
filterCondition = filterCondition.replace("{T}", variableName);
filterCondition = filterCondition.replace("{S}", sourceTableVarName);
writer.append(" AND ").append(filterCondition).append(")");
}
// filter org id and status since such filtering can not be done in WHERE otherwise break
// LEFT OUTER JOIN (see comments in SelectStatement.toString).
// added on Apr 13, 2010 by Jack
if (getJoinType() == Join.TYPE_LEFT_OUTER_JOIN) {
SelectStatement selectStmt = (SelectStatement) getFirstAncestor(TYPE_SELECT_STATEMENT);
if (selectStmt == null) {
throw new RuntimeException("Should not reach here 67584");
}
boolean multitenancy =
!((Entity) relationship.getTargetEntity()).isCoreEntity()
&& // this line avoid loading metadata being hung.
EOThreadLocal.getEOService() != null
&& EOThreadLocal.getEOService().getMetaDomain() != null
&& EOThreadLocal.getEOService().getMetaDomain().multitenancy;
if (multitenancy
&& selectStmt.isOrgSpecific(schemaName, relationship.getTargetEntity())) {
writer
.append(" AND ")
.append(variableName)
.append('.')
.append(EOConstants.COL_ORG_ID)
.append(" = ")
.append(EOThreadLocal.getOrgId());
}
boolean softDeletion =
EOThreadLocal.getEOService() != null
&& EOThreadLocal.getEOService().getMetaDomain() != null
&& !EOThreadLocal.getEOService().getMetaDomain().hardDeletion;
if (softDeletion) {
writer
.append(" AND ")
.append(variableName)
.append('.')
.append(EOConstants.COL_STATUS)
.append(" <> ")
.append(EOConstants.STATUS_DELETED);
}
}
} else { // with join table.
String joinTableVarName =
context.generateUniqueVarName(joinTable.getTableName().substring(0, 1));
// join the join table first.
writer.write(joinTable.getTableName()).append(' ').write(joinTableVarName);
writer
.write(" ON ")
.append(sourceTableVarName)
.append('.')
.append(relationship.getSourceAttribute().getSystemName());
writer
.write(" = ")
.append(joinTableVarName)
.append('.')
.append(joinTable.getSourceIdColumnName());
// then the target entity.
writer.write(" INNER JOIN ");
writer.write(relationship.getTargetEntity().getTableName()).write(" ").write(variableName);
writer
.write(" ON ")
.append(joinTableVarName)
.append('.')
.append(joinTable.getTargetIdColumnName());
writer
.write(" = ")
.append(variableName)
.append('.')
.append(relationship.getTargetAttribute().getSystemName());
}
// additional sqlWhere in relationship.
// Commented out by Jack on Mar 29, 2009 - sqlFilter has already been handled in above code.
// appendAdditionalJoinCondition(writer, databaseType, sourceTableVarName, variableName);
}
}
/**
* Translates the given JFormDesigner generated Java GridBagLayout source code to ActionScript.
*
* @param entity the target entity
* @param containerVarName If not null, it is the container var name in ActionScript; otherwise
* the container var name is used from Java.
* @param sourceJava the editor generated Java source code
* @return the translated ActionScript source code
*/
public static String translateGridBagLayoutSourceToFlex(
Entity entity, String containerVarName, String sourceJava) {
StringBuilder sb = new StringBuilder();
Pattern pattern = Pattern.compile(REGEX_COMPONENT_HEADER);
Matcher matcher = pattern.matcher(sourceJava);
List<LayoutComponent> lcs = new ArrayList<LayoutComponent>();
int lastEndPos = -1;
String lastVarName = null;
while (matcher.find()) {
if (lastEndPos != -1) {
lcs.addAll(parseComponent(lastVarName, sourceJava.substring(lastEndPos, matcher.start())));
}
lastEndPos = matcher.end();
lastVarName = matcher.group(1);
}
if (lastEndPos != -1) {
lcs.addAll(parseComponent(lastVarName, sourceJava.substring(lastEndPos)));
}
List<Attribute> attrs = entity == null ? null : entity.getAttributes();
List<Relationship> rels = entity == null ? null : entity.getRelationships();
for (int i = 0; i < lcs.size(); i++) {
LayoutComponent lc = lcs.get(i);
LayoutComponent lcPair = null;
for (int k = i + 1; entity != null && k < lcs.size(); k++) {
if (sameAttributeOrRel(lc, lcs.get(k))) {
lcPair = lcs.get(k);
lcs.remove(k); // remove it.
break;
}
}
Attribute attr = entity == null ? null : getAttribute(attrs, lc);
Relationship rel = entity == null ? null : getRelationship(rels, lc);
if (rel != null && !rel.isToOne()) { // not to-one; unable to handle.
rel = null;
}
if (lcPair != null) { // same one.
if (attr == null && rel == null) {
sb.append("\t\t")
.append(getVarNameWithDot(containerVarName, lcPair.containerVarName))
.append("addComponent(")
.append(lc.varName)
.append("/*")
.append(lc.varName);
if (lc.text != null && lc.text.trim().length() > 0) {
sb.append("-'").append(lc.text).append("'");
}
sb.append("*/, ").append(lc.gridBagLayoutConstrains).append("); \n");
// pair.
sb.append("\t\t")
.append(getVarNameWithDot(containerVarName, lcPair.containerVarName))
.append("addComponent(")
.append(lcPair.varName)
.append("/*")
.append(lcPair.varName);
if (lcPair.text != null && lcPair.text.trim().length() > 0) {
sb.append("-'").append(lcPair.text).append("'");
}
sb.append("*/, ").append(lcPair.gridBagLayoutConstrains).append("); \n");
} else {
if (attr == null) { // use rel
sb.append("\t\t_editorGroup.createAndAddRelToOneLookupToContainer(")
.append(entity.getSystemName())
.append("_EO.REL_")
.append(rel == null ? "!" + lc.varName : rel.getSystemName());
} else { // use attr
sb.append("\t\t_editorGroup.createAndAddAttrEditorToContainer(")
.append(entity.getSystemName())
.append("_EO.ATTR_")
.append(attr == null ? "!" + lc.varName : attr.getSystemName());
}
sb.append(", ")
.append(
containerVarName == null || containerVarName.trim().length() == 0
? lc.containerVarName
: containerVarName)
.append(", true, ")
.append(lc.gridBagLayoutConstrains)
.append(", \n\t\t\t")
.append(lcPair.gridBagLayoutConstrains)
.append("); \n");
}
} else { // lonely, assuming no label.
if (attr == null && rel == null) {
sb.append("\t\t")
.append(getVarNameWithDot(containerVarName, lc.containerVarName))
.append("addComponent(")
.append(lc.varName)
.append("/*")
.append(lc.varName);
if (lc.text != null && lc.text.trim().length() > 0) {
sb.append("-'").append(lc.text).append("'");
}
sb.append("*/, ").append(lc.gridBagLayoutConstrains).append("); \n");
} else {
if (attr == null) { // use rel
sb.append("\t\t_editorGroup.createAndAddRelToOneLookupToContainer(")
.append(entity.getSystemName())
.append("_EO.REL_")
.append(rel == null ? "!" + lc.varName : rel.getSystemName());
} else { // use attr
sb.append("\t\t_editorGroup.createAndAddAttrEditorToContainer(")
.append(entity.getSystemName())
.append("_EO.ATTR_")
.append(attr == null ? "!" + lc.varName : attr.getSystemName());
}
sb.append(", ")
.append(
containerVarName == null || containerVarName.trim().length() == 0
? lc.containerVarName
: containerVarName)
.append(", false, ")
.append("null")
.append(", ")
.append(lc.gridBagLayoutConstrains)
.append(");\n");
}
}
}
return sb.toString();
}
