java.lang.ClassCastException
	at com.sample.MyObject.equals(MyObject.java:7)
	at org.drools.common.EqualityKey.equals(Unknown Source)
	at org.drools.common.EqualityKeyComparator.areEqual(Unknown Source)
	at org.drools.util.FastMap.getEntry(Unknown Source)
	at org.drools.util.FastMap.get(Unknown Source)
	at org.drools.common.TruthMaintenanceSystem.get(Unknown Source)
	at org.drools.common.AbstractWorkingMemory.assertObject(Unknown Source)
	at org.drools.common.AbstractWorkingMemory.assertObject(Unknown Source)
	at com.sample.DroolsTest.main(DroolsTest.java:28)