edu.umd.cs.findbugs.ba
Class BottomType

java.lang.Object
  extended by org.apache.bcel.generic.Type
      extended by edu.umd.cs.findbugs.ba.BottomType
All Implemented Interfaces:
ExtendedTypes, java.io.Serializable

public class BottomType
extends org.apache.bcel.generic.Type
implements ExtendedTypes

Special "bottom" type. It is the zero element for the type merge operation.

Author:
David Hovemeyer
See Also:
TypeAnalysis, TypeFrame, TypeMerger, Serialized Form

Field Summary
private static BottomType theInstance
           
 
Fields inherited from class org.apache.bcel.generic.Type
BOOLEAN, BYTE, CHAR, CLASS, DOUBLE, FLOAT, INT, LONG, NO_ARGS, NULL, OBJECT, SHORT, signature, STRING, STRINGBUFFER, THROWABLE, type, UNKNOWN, VOID
 
Fields inherited from interface edu.umd.cs.findbugs.ba.ExtendedTypes
T_AVAIL_TYPE, T_BOTTOM, T_DOUBLE_EXTRA, T_EXCEPTION, T_LONG_EXTRA, T_NULL, T_TOP
 
Constructor Summary
private BottomType()
           
 
Method Summary
 boolean equals(java.lang.Object o)
           
 int hashCode()
           
static org.apache.bcel.generic.Type instance()
          Get the single instance of the bottom type.
 
Methods inherited from class org.apache.bcel.generic.Type
getArgumentTypes, getMethodSignature, getReturnType, getSignature, getSignature, getSize, getType, getType, getType, getTypes, toString
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
 

Field Detail

theInstance

private static final BottomType theInstance
Constructor Detail

BottomType

private BottomType()
Method Detail

hashCode

public int hashCode()
Overrides:
hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object o)
Overrides:
equals in class java.lang.Object

instance

public static org.apache.bcel.generic.Type instance()
Get the single instance of the bottom type.