z3-z3-4.13.0.src.api.java.Z3Object Maven / Gradle / Ivy
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/**
Copyright (c) 2012-2014 Microsoft Corporation
Module Name:
Z3Object.java
Abstract:
Author:
@author Christoph Wintersteiger (cwinter) 2012-03-15
Notes:
**/
package com.microsoft.z3;
/**
* Internal base class for interfacing with native Z3 objects. Should not be
* used externally.
**/
public abstract class Z3Object {
private final Context m_ctx;
private final long m_n_obj;
Z3Object(Context ctx, long obj) {
m_ctx = ctx;
checkNativeObject(obj);
m_n_obj = obj;
incRef();
addToReferenceQueue();
}
/**
* Add to ReferenceQueue for tracking reachability on the object and
* decreasing the reference count when the object is no longer reachable.
*/
abstract void addToReferenceQueue();
/**
* Increment reference count on {@code this}.
*/
abstract void incRef();
/**
* This function is provided for overriding, and a child class
* can insert consistency checks on {@code obj}.
*
* @param obj Z3 native object.
*/
void checkNativeObject(long obj) {}
long getNativeObject()
{
return m_n_obj;
}
static long getNativeObject(Z3Object s)
{
if (s == null)
return 0;
return s.getNativeObject();
}
Context getContext()
{
return m_ctx;
}
public static long[] arrayToNative(Z3Object[] a)
{
if (a == null)
return null;
long[] an = new long[a.length];
for (int i = 0; i < a.length; i++)
an[i] = (a[i] == null) ? 0 : a[i].getNativeObject();
return an;
}
public static int arrayLength(Z3Object[] a)
{
return (a == null) ? 0 : a.length;
}
}