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Compil3r.BytecodeAnalysis
Class LiveRefAnalysis.SystemType  view LiveRefAnalysis.SystemType download LiveRefAnalysis.SystemType.java

java.lang.Object
  extended byCompil3r.BytecodeAnalysis.LiveRefAnalysis.Type
      extended byCompil3r.BytecodeAnalysis.LiveRefAnalysis.SystemType
Enclosing class:
LiveRefAnalysis

public static class LiveRefAnalysis.SystemType
extends LiveRefAnalysis.Type


Field Summary
static LiveRefAnalysis.SystemType DOUBLE
           
static LiveRefAnalysis.SystemType FLOAT
           
static LiveRefAnalysis.SystemType INT
           
static LiveRefAnalysis.SystemType LONG
           
static LiveRefAnalysis.SystemType OBJECT
           
private  Clazz.jq_Type type
           
 
Constructor Summary
(package private) LiveRefAnalysis.SystemType(Clazz.jq_Type jq_t)
           
 
Method Summary
 boolean equals(LiveRefAnalysis.SystemType that)
           
 boolean equals(java.lang.Object that)
          Determine whether this Object is semantically equal to another Object.
 LiveRefAnalysis.Type findCommonSuperclass(LiveRefAnalysis.Type that)
           
 LiveRefAnalysis.Type getElementType()
           
 Clazz.jq_Type getType()
           
 int hashCode()
          Get a value that represents this Object, as uniquely as possible within the confines of an int.
 boolean isReferenceType()
           
 java.lang.String toString()
          Convert this Object to a human-readable String.
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
 

Field Detail

type

private final Clazz.jq_Type type

INT

public static final LiveRefAnalysis.SystemType INT

FLOAT

public static final LiveRefAnalysis.SystemType FLOAT

LONG

public static final LiveRefAnalysis.SystemType LONG

DOUBLE

public static final LiveRefAnalysis.SystemType DOUBLE

OBJECT

public static final LiveRefAnalysis.SystemType OBJECT
Constructor Detail

LiveRefAnalysis.SystemType

LiveRefAnalysis.SystemType(Clazz.jq_Type jq_t)
Method Detail

getType

public Clazz.jq_Type getType()

findCommonSuperclass

public LiveRefAnalysis.Type findCommonSuperclass(LiveRefAnalysis.Type that)
Specified by:
findCommonSuperclass in class LiveRefAnalysis.Type

getElementType

public LiveRefAnalysis.Type getElementType()
Overrides:
getElementType in class LiveRefAnalysis.Type

equals

public boolean equals(LiveRefAnalysis.SystemType that)

equals

public boolean equals(java.lang.Object that)
Description copied from class: java.lang.Object
Determine whether this Object is semantically equal to another Object.

There are some fairly strict requirements on this method which subclasses must follow:

  • It must be transitive. If a.equals(b) and b.equals(c), then a.equals(c) must be true as well.
  • It must be symmetric. a.equals(b) and b.equals(a) must have the same value.
  • It must be reflexive. a.equals(a) must always be true.
  • It must be consistent. Whichever value a.equals(b) returns on the first invocation must be the value returned on all later invocations.
  • a.equals(null) must be false.
  • It must be consistent with hashCode(). That is, a.equals(b) must imply a.hashCode() == b.hashCode(). The reverse is not true; two objects that are not equal may have the same hashcode, but that has the potential to harm hashing performance.

This is typically overridden to throw a java.lang.ClassCastException if the argument is not comparable to the class performing the comparison, but that is not a requirement. It is legal for a.equals(b) to be true even though a.getClass() != b.getClass(). Also, it is typical to never cause a java.lang.NullPointerException.

In general, the Collections API (java.util) use the equals method rather than the == operator to compare objects. However, java.util.IdentityHashMap is an exception to this rule, for its own good reasons.

The default implementation returns this == o.


hashCode

public int hashCode()
Description copied from class: java.lang.Object
Get a value that represents this Object, as uniquely as possible within the confines of an int.

There are some requirements on this method which subclasses must follow:

  • Semantic equality implies identical hashcodes. In other words, if a.equals(b) is true, then a.hashCode() == b.hashCode() must be as well. However, the reverse is not necessarily true, and two objects may have the same hashcode without being equal.
  • It must be consistent. Whichever value o.hashCode() returns on the first invocation must be the value returned on all later invocations as long as the object exists. Notice, however, that the result of hashCode may change between separate executions of a Virtual Machine, because it is not invoked on the same object.

Notice that since hashCode is used in java.util.Hashtable and other hashing classes, a poor implementation will degrade the performance of hashing (so don't blindly implement it as returning a constant!). Also, if calculating the hash is time-consuming, a class may consider caching the results.

The default implementation returns System.identityHashCode(this)


isReferenceType

public boolean isReferenceType()
Specified by:
isReferenceType in class LiveRefAnalysis.Type

toString

public java.lang.String toString()
Description copied from class: java.lang.Object
Convert this Object to a human-readable String. There are no limits placed on how long this String should be or what it should contain. We suggest you make it as intuitive as possible to be able to place it into System.out.println() 55 and such.

It is typical, but not required, to ensure that this method never completes abruptly with a java.lang.RuntimeException.

This method will be called when performing string concatenation with this object. If the result is null, string concatenation will instead use "null".

The default implementation returns getClass().getName() + "@" + Integer.toHexString(hashCode()).