Examples of DisposableValueIterator

Examples of util.iterators.DisposableValueIterator

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     * and remove unsupported values for variable
     *
     * @throws ContradictionException
     */
    public void reviseVar(int indexVar) throws ContradictionException {
        DisposableValueIterator itv = vars[indexVar].getValueIterator(true);
        int left = Integer.MIN_VALUE;
        int right = left;
        try {
            while (itv.hasNext()) {
                int val = itv.next();
                int nva = val - relation.getRelationOffset(indexVar);
                int currentIdxSupport = getUBport(indexVar, val);
                currentIdxSupport = seekNextSupport(indexVar, nva, currentIdxSupport);
                if (currentIdxSupport == NO_SUPPORT) {
                    if (val == right + 1) {
                        right = val;
                    } else {
                        vars[indexVar].removeInterval(left, right, aCause);
                        left = right = val;
                    }
                    //                    vars[indexVar].removeVal(val, this, false);
                } else {
                    setSupport(indexVar, val, currentIdxSupport);
                }
            }
            vars[indexVar].removeInterval(left, right, aCause);
        } finally {
            itv.dispose();
        }
    }
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Examples of util.iterators.DisposableValueIterator

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            initDomSize1 = v1.getDomainSize();

            fastInitNbSupports();
            int left = Integer.MIN_VALUE;
            int right = left;
            DisposableValueIterator itv0 = v0.getValueIterator(true);
            try {
                while (itv0.hasNext()) {
                    int val0 = itv0.next();
                    if (!((CouplesBitSetTable) relation).checkValue(0, val0, v1)) {
                        if (val0 == right + 1) {
                            right = val0;
                        } else {
                            v0.removeInterval(left, right, this);
                            left = right = val0;
                        }
                    }
                }
                v0.removeInterval(left, right, this);
            } finally {
                itv0.dispose();
            }
            itv0 = v1.getValueIterator(true);
            left = right = Integer.MIN_VALUE;
            try {
                while (itv0.hasNext()) {
                    int val1 = itv0.next();
                    if (!((CouplesBitSetTable) relation).checkValue(1, val1, v0)) {
                        if (val1 == right + 1) {
                            right = val1;
                        } else {
                            v1.removeInterval(left, right, this);
                            left = right = val1;
                        }
                    }
                }
                v1.removeInterval(left, right, this);
            } finally {
                itv0.dispose();
            }
        }
        reviseV0();
        reviseV1();
    }
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Examples of util.iterators.DisposableValueIterator

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    private void fastInitNbSupports() {
        int[] initS1 = new int[v1.getUB() - v1.getLB() + 1];
        minS0 = Integer.MAX_VALUE;
        minS1 = Integer.MAX_VALUE;
        DisposableValueIterator itv0 = v0.getValueIterator(true);
        while (itv0.hasNext()) {
            int val0 = itv0.next();
            int initS0 = 0;
            DisposableValueIterator itv1 = v1.getValueIterator(true);
            while (itv1.hasNext()) {
                int val1 = itv1.next();
                if (relation.isConsistent(val0, val1)) {
                    initS0++;
                    initS1[val1 - offset1]++;
                }
            }
            if (initS0 < minS0) minS0 = initS0;
            itv1.dispose();
        }
        itv0.dispose();
        for (int i = 0; i < initS1.length; i++) {
            if (initS1[i] < minS1) minS1 = initS1[i];
        }
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Examples of util.iterators.DisposableValueIterator

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    private void reviseV1() throws ContradictionException {
        int v0Size = v0.getDomainSize();
        if (minS1 <= (initDomSize0 - v0Size)) {
            int left = Integer.MIN_VALUE;
            int right = left;
            DisposableValueIterator itv1 = v1.getValueIterator(true);
            try {
                while (itv1.hasNext()) {
                    int y = itv1.next();
                    if (!((CouplesBitSetTable) relation).checkValue(1, y, v0)) {
                        if (y == right + 1) {
                            right = y;
                        } else {
                            v1.removeInterval(left, right, this);
                            left = right = y;
                        }
                        //                        v1.removeVal(y, this, false);
                    }
                }
                v1.removeInterval(left, right, this);
            } finally {
                itv1.dispose();
            }
        }
    }
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Examples of util.iterators.DisposableValueIterator

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    private void reviseV0() throws ContradictionException {
        int v1Size = v1.getDomainSize();
        if (minS0 <= (initDomSize1 - v1Size)) {
            int left = Integer.MIN_VALUE;
            int right = left;
            DisposableValueIterator itv0 = v0.getValueIterator(true);
            try {
                while (itv0.hasNext()) {
                    int x = itv0.next();
                    if (!((CouplesBitSetTable) relation).checkValue(0, x, v1)) {
                        if (x == right + 1) {
                            right = x;
                        } else {
                            v0.removeInterval(left, right, this);
                            left = right = x;
                        }
                        //                        v0.removeVal(x, this, false);
                    }
                }
                v0.removeInterval(left, right, this);
            } finally {
                itv0.dispose();
            }
        }
    }
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Examples of util.iterators.DisposableValueIterator

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    private void onInstantiationOf(int idx) throws ContradictionException {
        if (idx == 0) {
            int value = v0.getValue();
            int left = Integer.MIN_VALUE;
            int right = left;
            DisposableValueIterator itv1 = v1.getValueIterator(true);
            try {
                while (itv1.hasNext()) {
                    int val = itv1.next();
                    if (!relation.isConsistent(value, val)) {
                        if (val == right + 1) {
                            right = val;
                        } else {
                            v1.removeInterval(left, right, this);
                            left = right = val;
                        }
                    }
                }
                v1.removeInterval(left, right, this);
            } finally {
                itv1.dispose();
            }
        } else {
            int value = v1.getValue();
            int left = Integer.MIN_VALUE;
            int right = left;
            DisposableValueIterator itv0 = v0.getValueIterator(true);
            try {
                while (itv0.hasNext()) {
                    int val = itv0.next();
                    if (!relation.isConsistent(val, value)) {
                        if (val == right + 1) {
                            right = val;
                        } else {
                            v0.removeInterval(left, right, this);
                            left = right = val;
                        }
                    }
                }
                v0.removeInterval(left, right, this);
            } finally {
                itv0.dispose();
            }
        }
    }
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Examples of util.iterators.DisposableValueIterator

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     */
    private void reviseV1() throws ContradictionException {
        int nbs = 0;
        int left = Integer.MIN_VALUE;
        int right = left;
        DisposableValueIterator itv1 = v1.getValueIterator(true);
        while (itv1.hasNext()) {
            int val1 = itv1.next();
            DisposableValueIterator itv0 = v0.getValueIterator(true);
            while (itv0.hasNext()) {
                int val0 = itv0.next();
                if (relation.isConsistent(val0, val1)) {
                    nbs += 1;
                    break;
                }
            }
            itv0.dispose();
            if (nbs == 0) {
                if (val1 == right + 1) {
                    right = val1;
                } else {
                    v1.removeInterval(left, right, this);
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Examples of util.iterators.DisposableValueIterator

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     */
    private void reviseV0() throws ContradictionException {
        int nbs = 0;
        int left = Integer.MIN_VALUE;
        int right = left;
        DisposableValueIterator itv0 = v0.getValueIterator(true);
        while (itv0.hasNext()) {
            int val0 = itv0.next();
            DisposableValueIterator itv1 = v1.getValueIterator(true);
            while (itv1.hasNext()) {
                int val1 = itv1.next();
                if (relation.isConsistent(val0, val1)) {
                    nbs += 1;
                    break;
                }
            }
            itv1.dispose();
            if (nbs == 0) {
                if (val0 == right + 1) {
                    right = val0;
                } else {
                    v0.removeInterval(left, right, this);
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Examples of util.iterators.DisposableValueIterator

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    }

    @Test(groups = "1s")
    public void testGetValueIterator() throws Exception {
        setUp();
        DisposableValueIterator vit = var.getValueIterator(true);
        Assert.assertTrue(vit.hasNext());
        Assert.assertEquals(-5, vit.next());
        Assert.assertTrue(vit.hasNext());
        Assert.assertEquals(0, vit.next());
        Assert.assertTrue(vit.hasNext());
        Assert.assertEquals(3, vit.next());
        Assert.assertTrue(vit.hasNext());
        Assert.assertEquals(4, vit.next());
        Assert.assertTrue(vit.hasNext());
        Assert.assertEquals(5, vit.next());
        Assert.assertFalse(vit.hasNext());
        vit.dispose();

        vit = var.getValueIterator(false);
        Assert.assertTrue(vit.hasPrevious());
        Assert.assertEquals(5, vit.previous());
        Assert.assertTrue(vit.hasPrevious());
        Assert.assertEquals(4, vit.previous());
        Assert.assertTrue(vit.hasPrevious());
        Assert.assertEquals(3, vit.previous());
        Assert.assertTrue(vit.hasPrevious());
        Assert.assertEquals(0, vit.previous());
        Assert.assertTrue(vit.hasPrevious());
        Assert.assertEquals(-5, vit.previous());
        Assert.assertFalse(vit.hasPrevious());
        vit.dispose();
    }
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Examples of util.iterators.DisposableValueIterator

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      }catch (Exception e){
        e.printStackTrace();
        throw new UnsupportedOperationException();
      }
    }
        DisposableValueIterator vit = var.getValueIterator(true);
        Assert.assertTrue(vit.hasNext());
        Assert.assertEquals(3, vit.next());
        Assert.assertTrue(vit.hasNext());
        Assert.assertEquals(4, vit.next());
        Assert.assertTrue(vit.hasNext());
        Assert.assertEquals(6, vit.next());
        Assert.assertFalse(vit.hasNext());
    }
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