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InstrumentationDetector.java
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InstrumentationDetector.java
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package org.hibernate.tool.hbmlint.detector;
import org.hibernate.MappingException;
import org.hibernate.bytecode.internal.javassist.BytecodeProviderImpl;
import org.hibernate.cfg.Configuration;
import org.hibernate.cfg.Environment;
import org.hibernate.cfg.Settings;
import org.hibernate.mapping.PersistentClass;
import org.hibernate.tool.hbmlint.Issue;
import org.hibernate.tool.hbmlint.IssueCollector;
public class InstrumentationDetector extends EntityModelDetector {
public String getName() {
return "instrument";
}
private boolean javassistEnabled;
public void initialize(Configuration cfg, Settings settings) {
super.initialize( cfg, settings );
if(Environment.getBytecodeProvider() instanceof BytecodeProviderImpl) {
javassistEnabled = true;
}
}
public void visit(Configuration cfg, PersistentClass clazz, IssueCollector collector) {
Class mappedClass;
try {
mappedClass = clazz.getMappedClass();
} catch(MappingException me) {
// ignore
return;
}
if(clazz.isLazy()) {
try {
mappedClass.getConstructor( new Class[0] );
}
catch (SecurityException e) {
// ignore
}
catch (NoSuchMethodException e) {
collector.reportIssue(new Issue("LAZY_NO_DEFAULT_CONSTRUCTOR",Issue.NORMAL_PRIORITY, "lazy='true' set for '" + clazz.getEntityName() +"', but class has no default constructor." ));
return;
}
} else if(javassistEnabled){
Class[] interfaces = mappedClass.getInterfaces();
boolean javaassist = false;
for (int i = 0; i < interfaces.length; i++) {
Class intface = interfaces[i];
if(intface.getName().equals( "org.hibernate.bytecode.internal.javassist.FieldHandled" )) {
javaassist = true;
}
}
if (javassistEnabled && !javaassist) {
collector.reportIssue( new Issue("LAZY_NOT_INSTRUMENTED", Issue.HIGH_PRIORITY, "'" + clazz.getEntityName() + "' has lazy='false', but its class '" + mappedClass.getName() + "' has not been instrumented with javaassist") );
return;
} else {
// unknown bytecodeprovider...can't really check for that.
}
}
}
}