org.jmlspecs.samples.digraph
Class ArcType
java.lang.Object
org.jmlspecs.samples.digraph.ArcType
- All Implemented Interfaces:
- Cloneable, JMLType, Serializable
- public class ArcType
- extends Object
- implements JMLType
Class Specifications |
private invariant_redundantly this._from != null&&this._to != null;
public invariant this.from != null&&this.to != null;
private represents from <- this._from;
private represents to <- this._to; |
Specifications inherited from class Object |
represents objectState <- org.jmlspecs.lang.JMLDataGroup.IT;
public represents _getClass <- \typeof(this); |
from
public NodeType from
- Specifications:
datagroup contains: _from
to
public NodeType to
- Specifications:
datagroup contains: _to
_from
private NodeType _from
- Specifications:
is in groups: from
_to
private NodeType _to
- Specifications:
is in groups: to
ArcType
public ArcType(NodeType from,
NodeType to)
- Specifications: (class)pure
-
public normal_behavior
requires from != null&&to != null;
assignable this.from, this.to;
ensures this.from.equals(from)&&this.to.equals(to);
equals
public boolean equals(nullable Object o)
- Description copied from interface:
JMLType
- Test whether this object's value is equal to the given argument.
- Specified by:
equals
in interface JMLType
- Overrides:
equals
in class Object
- Specifications: (class)pure
- also
-
public normal_behavior
{|-
requires o instanceof org.jmlspecs.samples.digraph.ArcType;
ensures \result <==> ((org.jmlspecs.samples.digraph.ArcType)o).from.equals(this.from)&&((org.jmlspecs.samples.digraph.ArcType)o).to.equals(this.to);
- also
-
requires !(o instanceof org.jmlspecs.samples.digraph.ArcType);
ensures \result == false;
- |}
- Specifications inherited from overridden method equals(Object obj) in class Object:
pure -
public normal_behavior
requires obj != null;
ensures (* \result is true when obj is "equal to" this object *);
- also
-
public normal_behavior
requires this == obj;
ensures \result ;
- also
-
public code normal_behavior
requires obj != null;
ensures \result <==> this == obj;
- also
-
diverges false;
ensures obj == null ==> !\result ;
- Specifications inherited from overridden method equals(Object ob2) in interface JMLType:
pure- also
-
public normal_behavior
ensures \result ==> ob2 != null&&(* ob2 is not distinguishable from this, except by using mutation or == *);
- implies_that
-
public normal_behavior
{|-
requires ob2 != null&&ob2 instanceof org.jmlspecs.models.JMLType;
ensures ((org.jmlspecs.models.JMLType)ob2).equals(this) == \result ;
- also
-
requires ob2 == this;
ensures \result <==> true;
- |}
hashCode
public int hashCode()
- Description copied from interface:
JMLType
- Return a hash code for this object.
- Specified by:
hashCode
in interface JMLType
- Overrides:
hashCode
in class Object
- Specifications: (class)pure
- Specifications inherited from overridden method in class Object:
-
public behavior
assignable objectState;
ensures (* \result is a hash code for this object *);
- also
-
public code normal_behavior
assignable \nothing;
- Specifications inherited from overridden method in interface JMLType:
pure
getFrom
public NodeType getFrom()
- Specifications: (class)pure
-
ensures \result == this.from;
getTo
public NodeType getTo()
- Specifications: (class)pure
-
ensures \result == this.to;
clone
public Object clone()
- Description copied from interface:
JMLType
- Return a clone of this object.
- Specified by:
clone
in interface JMLType
- Overrides:
clone
in class Object
- Specifications: (class)pure
- also
-
public normal_behavior
ensures \result instanceof org.jmlspecs.samples.digraph.ArcType&&((org.jmlspecs.samples.digraph.ArcType)\result ).equals(this);
- Specifications inherited from overridden method in class Object:
non_null -
protected normal_behavior
requires this instanceof java.lang.Cloneable;
assignable \nothing;
ensures \result != null;
ensures \typeof(\result ) == \typeof(this);
ensures (* \result is a clone of this *);
- also
-
protected normal_behavior
requires this.getClass().isArray();
assignable \nothing;
ensures \elemtype(\typeof(\result )) == \elemtype(\typeof(this));
ensures ((java.lang.Object[])\result ).length == ((java.lang.Object[])this).length;
ensures ( \forall int i; 0 <= i&&i < ((java.lang.Object[])this).length; ((java.lang.Object[])\result )[i] == ((java.lang.Object[])this)[i]);
- also
-
requires this.getClass().isArray();
assignable \nothing;
ensures \elemtype(\typeof(\result )) == \elemtype(\typeof(this));
ensures java.lang.reflect.Array.getLength(\result ) == java.lang.reflect.Array.getLength(this);
ensures ( \forall int i; 0 <= i&&i < java.lang.reflect.Array.getLength(this); ( \exists java.lang.Object result_i; result_i == java.lang.reflect.Array.get(\result ,i); (result_i == null&&java.lang.reflect.Array.get(this,i) == null)||(result_i != null&&result_i.equals(java.lang.reflect.Array.get(this,i)))));
- also
-
protected exceptional_behavior
requires !(this instanceof java.lang.Cloneable);
assignable \nothing;
signals_only java.lang.CloneNotSupportedException;
- also
-
protected normal_behavior
requires \elemtype(\typeof(this)) <: \type(java.lang.Object);
assignable \nothing;
ensures \elemtype(\typeof(\result )) == \elemtype(\typeof(this));
ensures ((java.lang.Object[])\result ).length == ((java.lang.Object[])this).length;
ensures ( \forall int i; 0 <= i&&i < ((java.lang.Object[])this).length; ((java.lang.Object[])\result )[i] == ((java.lang.Object[])this)[i]);
- also
-
protected normal_behavior
requires \elemtype(\typeof(this)) == \type(int);
assignable \nothing;
ensures \elemtype(\typeof(\result )) == \elemtype(\typeof(this));
ensures ((int[])\result ).length == ((int[])this).length;
ensures ( \forall int i; 0 <= i&&i < ((int[])this).length; ((int[])\result )[i] == ((int[])this)[i]);
- also
-
protected normal_behavior
requires \elemtype(\typeof(this)) == \type(byte);
assignable \nothing;
ensures \elemtype(\typeof(\result )) == \elemtype(\typeof(this));
ensures ((byte[])\result ).length == ((byte[])this).length;
ensures ( \forall int i; 0 <= i&&i < ((byte[])this).length; ((byte[])\result )[i] == ((byte[])this)[i]);
- also
-
protected normal_behavior
requires \elemtype(\typeof(this)) == \type(char);
assignable \nothing;
ensures \elemtype(\typeof(\result )) == \elemtype(\typeof(this));
ensures ((char[])\result ).length == ((char[])this).length;
ensures ( \forall int i; 0 <= i&&i < ((char[])this).length; ((char[])\result )[i] == ((char[])this)[i]);
- also
-
protected normal_behavior
requires \elemtype(\typeof(this)) == \type(long);
assignable \nothing;
ensures \elemtype(\typeof(\result )) == \elemtype(\typeof(this));
ensures ((long[])\result ).length == ((long[])this).length;
ensures ( \forall int i; 0 <= i&&i < ((long[])this).length; ((long[])\result )[i] == ((long[])this)[i]);
- also
-
protected normal_behavior
requires \elemtype(\typeof(this)) == \type(short);
assignable \nothing;
ensures \elemtype(\typeof(\result )) == \elemtype(\typeof(this));
ensures ((short[])\result ).length == ((short[])this).length;
ensures ( \forall int i; 0 <= i&&i < ((short[])this).length; ((short[])\result )[i] == ((short[])this)[i]);
- also
-
protected normal_behavior
requires \elemtype(\typeof(this)) == \type(boolean);
assignable \nothing;
ensures \elemtype(\typeof(\result )) == \elemtype(\typeof(this));
ensures ((boolean[])\result ).length == ((boolean[])this).length;
ensures ( \forall int i; 0 <= i&&i < ((boolean[])this).length; ((boolean[])\result )[i] == ((boolean[])this)[i]);
- also
-
protected normal_behavior
requires \elemtype(\typeof(this)) == \type(float);
assignable \nothing;
ensures \elemtype(\typeof(\result )) == \elemtype(\typeof(this));
ensures ((float[])\result ).length == ((float[])this).length;
ensures ( \forall int i; 0 <= i&&i < ((float[])this).length; (java.lang.Float.isNaN(((float[])\result )[i])&&java.lang.Float.isNaN(((float[])this)[i]))||((float[])\result )[i] == ((float[])this)[i]);
- also
-
protected normal_behavior
requires \elemtype(\typeof(this)) == \type(double);
assignable \nothing;
ensures \elemtype(\typeof(\result )) == \elemtype(\typeof(this));
ensures ((double[])\result ).length == ((double[])this).length;
ensures ( \forall int i; 0 <= i&&i < ((double[])this).length; (java.lang.Double.isNaN(((double[])\result )[i])&&java.lang.Double.isNaN(((double[])this)[i]))||((double[])\result )[i] == ((double[])this)[i]);
- Specifications inherited from overridden method in interface JMLType:
pure- also
-
public normal_behavior
ensures \result != null;
ensures \result instanceof org.jmlspecs.models.JMLType;
ensures ((org.jmlspecs.models.JMLType)\result ).equals(this);
- implies_that
-
ensures \result != null&&\typeof(\result ) <: \type(org.jmlspecs.models.JMLType);
className
protected String className()
- Specifications: (class)pure
toString
public String toString()
- Overrides:
toString
in class Object
- Specifications: (class)pure
- Specifications inherited from overridden method in class Object:
non_null -
public normal_behavior
assignable objectState;
ensures \result != null&&\result .equals(this.theString);
ensures (* \result is a string representation of this object *);
- also
-
public code normal_behavior
assignable \nothing;
ensures \result != null&&(* \result is the instance's class name, followed by an @, followed by the instance's hashcode in hex *);
- also
-
public code model_program { ... }
- implies_that
-
assignable objectState;
ensures \result != null;
JML is Copyright (C) 1998-2002 by Iowa State University and is distributed under the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This release depends on code from the MultiJava project and is based in part on the Kopi project Copyright (C) 1990-99 DMS Decision Management Systems Ges.m.b.H.