/**
* Convenience function. Return true if the manyToOne link is eventually pointing back to an
* instance of the same class
*
* @param alsoCheckNullable
* @param link
* @return true if the manyToOne link is eventually pointing back to an instance of the same class
*/
public final boolean isCyclicReference(boolean alsoCheckNullable, PropertyObj link) {
boolean result = false;
if (this.isManyToOne()) {
// get cycle list for this table, if available
LinkedList<String> cycleList =
State.getInstance()
.commitResult
.getCycleList()
.get(this.getClazz().getTableObj().getFullTableName());
// get the table object of the target
TableObj targetTable = link.getClazz().getTableObj();
TableObj cycleTable = null;
if (cycleList != null) {
// we had an entry. Fetch the last table
cycleTable = State.getInstance().tables.get(cycleList.getLast());
}
// we have a self-loop or an entry in the cycle list pertaining to this record
result = this.getClazz().equals(link.getClazz()) || targetTable.equals(cycleTable);
if (alsoCheckNullable && (!this.getFieldObj().isNullable())) {
result = false;
}
}
return result;
}
/**
* Checks to see if this property has a match in the cascade list to return if enabled or
* disabled.
*
* @param state
* @param propertyObj
* @return t/f
*/
private boolean isXToXCascadeEnabledByConfig(
TreeMap<String, CascadeState> state, PropertyObj target) {
if (target == null) {
return false;
}
String classPackage = this.getClazz().getClassPackage();
String className = this.getClazz().getClassName();
String targetClassPackage = target.getClazz().getClassPackage();
String targetClassName = target.getClazz().getClassName();
String targetPropertyName = target.getPropertyName();
CascadeState match =
matchCascade(
state,
"*.*.*",
"*." + className + ".*",
"*." + className + "." + propertyName,
classPackage + ".*." + propertyName,
classPackage + ".*.*",
classPackage + "." + className + ".*",
"*.*." + propertyName,
classPackage + "." + className + "." + propertyName);
if (match == null) {
match =
matchCascade(
state,
"to:*.*.*",
"to:*." + targetClassName + ".*",
"to:*." + targetClassName + "." + targetPropertyName,
"to:" + targetClassPackage + ".*." + targetPropertyName,
"to:" + targetClassPackage + ".*.*",
"to:" + targetClassPackage + "." + targetClassName + ".*",
"to:*.*." + targetPropertyName,
"to:" + targetClassPackage + "." + targetClassName + "." + targetPropertyName);
}
// get the default
boolean enableCascading = state.get("*").isCascadeEnabled();
if (match != null) {
// we're using: default... EXCEPT
enableCascading = match.isCascadeEnabled();
}
return enableCascading;
}
/**
* Checks to see if this property has a match in the cascade list to return if enabled or
* disabled.
*
* @param state
* @param propertyObj
* @return t/f
*/
private Set<String> getXToXCascadeType(TreeMap<String, CascadeState> state, PropertyObj target) {
String classPackage = this.getClazz().getClassPackage();
String className = this.getClazz().getClassName();
String targetClassPackage = target.getClazz().getClassPackage();
String targetClassName = target.getClazz().getClassName();
String targetPropertyName = target.getPropertyName();
CascadeState match =
matchCascade(
state,
"*.*.*",
"*." + className + ".*",
"*." + className + "." + this.propertyName,
classPackage + ".*." + this.propertyName,
classPackage + ".*.*",
classPackage + "." + className + ".*",
"*.*." + this.propertyName,
classPackage + "." + className + "." + this.propertyName);
if (match == null) {
match =
matchCascade(
state,
"to:*.*.*",
"to:*." + targetClassName + ".*",
"to:*." + targetClassName + "." + targetPropertyName,
"to:" + targetClassPackage + ".*." + targetPropertyName,
"to:" + targetClassPackage + ".*.*",
"to:" + targetClassPackage + "." + targetClassName + ".*",
"to:*.*." + targetPropertyName,
"to:" + targetClassPackage + "." + targetClassName + "." + targetPropertyName);
}
// get the default
Set<String> cascadeType = state.get("*").getCascadeType();
if (match != null) {
// we're using: default... EXCEPT
cascadeType = match.getCascadeType();
}
return cascadeType;
}
