src/api/java/Statistics.java

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package com.microsoft.z3;

public class Statistics extends Z3Object
{
    public class Entry
    {
        public String Key;

        public int getUIntValue()
        {
            return m_int;
        }

        public double getDoubleValue()
        {
            return m_double;
        }

        public boolean isUInt()
        {
            return m_is_int;
        }

        public boolean isDouble()
        {
            return m_is_double;
        }

        public String getValueString()
        {
            if (isUInt())
                return Integer.toString(m_int);
            else if (isDouble())
                return Double.toString(m_double);
            else
                throw new Z3Exception("Unknown statistical entry type");
        }

        public String toString()
        {
            try
            {
                return Key + ": " + getValueString();
            } catch (Z3Exception e)
            {
                return new String("Z3Exception: " + e.getMessage());
            }
        }

        private boolean m_is_int = false;
        private boolean m_is_double = false;
        private int m_int = 0;
        private double m_double = 0.0;

        Entry(String k, int v)
        {
            Key = k;
            m_is_int = true;
            m_int = v;
        }

        Entry(String k, double v)
        {
            Key = k;
            m_is_double = true;
            m_double = v;
        }
    }

    public String toString()
    {
        try
        {
            return Native.statsToString(getContext().nCtx(), getNativeObject());
        } catch (Z3Exception e)
        {
            return "Z3Exception: " + e.getMessage();
        }
    }

    public int size()
    {
        return Native.statsSize(getContext().nCtx(), getNativeObject());
    }

    public Entry[] getEntries()
    {

        int n = size();
        Entry[] res = new Entry[n];
        for (int i = 0; i < n; i++)
        {
            Entry e;
            String k = Native.statsGetKey(getContext().nCtx(), getNativeObject(), i);
            if (Native.statsIsUint(getContext().nCtx(), getNativeObject(), i))
                e = new Entry(k, Native.statsGetUintValue(getContext().nCtx(),
                        getNativeObject(), i));
            else if (Native.statsIsDouble(getContext().nCtx(), getNativeObject(), i))
                e = new Entry(k, Native.statsGetDoubleValue(getContext().nCtx(),
                        getNativeObject(), i));
            else
                throw new Z3Exception("Unknown data entry value");
            res[i] = e;
        }
        return res;
    }

    public String[] getKeys()
    {
        int n = size();
        String[] res = new String[n];
        for (int i = 0; i < n; i++)
            res[i] = Native.statsGetKey(getContext().nCtx(), getNativeObject(), i);
        return res;
    }

    public Entry get(String key)
    {
        int n = size();
        Entry[] es = getEntries();
        for (int i = 0; i < n; i++)
            if (es[i].Key == key)
                return es[i];
        return null;
    }

    Statistics(Context ctx, long obj)
    {
        super(ctx, obj);
    }

    void incRef(long o)
    {
        getContext().getStatisticsDRQ().incAndClear(getContext(), o);
        super.incRef(o);
    }

    void decRef(long o)
    {
        getContext().getStatisticsDRQ().add(o);
        super.decRef(o);
    }
}