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Java RoaringBitmap.isEmpty方法代码示例

本文整理汇总了Java中org.roaringbitmap.RoaringBitmap.isEmpty方法的典型用法代码示例。如果您正苦于以下问题:Java RoaringBitmap.isEmpty方法的具体用法?Java RoaringBitmap.isEmpty怎么用?Java RoaringBitmap.isEmpty使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在org.roaringbitmap.RoaringBitmap的用法示例。


在下文中一共展示了RoaringBitmap.isEmpty方法的10个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: andNot

import org.roaringbitmap.RoaringBitmap; //导入方法依赖的package包/类
@Override
public RoaringBitmap andNot(RoaringBitmap original, List<RoaringBitmap> bitmaps) {

    if (bitmaps.isEmpty()) {
        return copy(original);
    } else {
        RoaringBitmap container = RoaringBitmap.andNot(original, bitmaps.get(0));
        for (int i = 1; i < bitmaps.size(); i++) {
            container.andNot(bitmaps.get(i));
            if (container.isEmpty()) {
                break;
            }
        }
        return container;
    }
}
 
开发者ID:jivesoftware,项目名称:miru,代码行数:17,代码来源:MiruBitmapsRoaring.java

示例2: solve

import org.roaringbitmap.RoaringBitmap; //导入方法依赖的package包/类
static void solve(RoaringBitmap[] bits, int depth, int bitIndex, RoaringBitmap candidate, boolean[] output, Solution solution) {

        RoaringBitmap zero = RoaringBitmap.andNot(candidate, bits[bitIndex]);
        RoaringBitmap ones = RoaringBitmap.and(candidate, bits[bitIndex]);
        if (bitIndex > 0) {
            output[bitIndex] = true;
            solve(bits, depth + 1, bitIndex - 1, ones, output, solution);
        } else if (!ones.isEmpty()) {
            output[bitIndex] = true;
            solution.stream(output, ones.getCardinality());
        }
        if (bitIndex > 0) {
            output[bitIndex] = false;
            solve(bits, depth + 1, bitIndex - 1, zero, output, solution);
        } else if (!zero.isEmpty()) {
            output[bitIndex] = false;
            solution.stream(output, zero.getCardinality());
        }
    }
 
开发者ID:jivesoftware,项目名称:miru,代码行数:20,代码来源:Featuritis.java

示例3: andTx

import org.roaringbitmap.RoaringBitmap; //导入方法依赖的package包/类
@Override
public RoaringBitmap andTx(List<MiruTxIndex<RoaringBitmap>> indexes, StackBuffer stackBuffer) throws Exception {
    if (indexes.isEmpty()) {
        return new RoaringBitmap();
    }

    RoaringBitmap container = indexes.get(0).txIndex((bitmap, filer, offset, stackBuffer1) -> {
        if (bitmap != null) {
            return bitmap;
        } else if (filer != null) {
            return bitmapFromFiler(filer, offset, stackBuffer1);
        } else {
            return new RoaringBitmap();
        }
    }, stackBuffer);

    if (container.isEmpty()) {
        return container;
    }

    for (MiruTxIndex<RoaringBitmap> index : indexes.subList(1, indexes.size())) {
        RoaringBitmap and = index.txIndex((bitmap, filer, offset, stackBuffer1) -> {
            if (bitmap != null) {
                return bitmap;
            } else if (filer != null) {
                return bitmapFromFiler(filer, offset, stackBuffer1);
            } else {
                return new RoaringBitmap();
            }
        }, stackBuffer);

        container.and(and);

        if (container.isEmpty()) {
            return container;
        }
    }

    return container;
}
 
开发者ID:jivesoftware,项目名称:miru,代码行数:41,代码来源:MiruBitmapsRoaring.java

示例4: andNotTx

import org.roaringbitmap.RoaringBitmap; //导入方法依赖的package包/类
@Override
public RoaringBitmap andNotTx(MiruTxIndex<RoaringBitmap> original, List<MiruTxIndex<RoaringBitmap>> not, StackBuffer stackBuffer) throws Exception {

    RoaringBitmap container = original.txIndex((bitmap, filer, offset, stackBuffer1) -> {
        if (bitmap != null) {
            return bitmap;
        } else if (filer != null) {
            return bitmapFromFiler(filer, offset, stackBuffer1);
        } else {
            return new RoaringBitmap();
        }
    }, stackBuffer);

    if (container.isEmpty() || not.isEmpty()) {
        return container;
    }

    for (MiruTxIndex<RoaringBitmap> index : not) {
        RoaringBitmap andNot = index.txIndex((bitmap, filer, offset, stackBuffer1) -> {
            if (bitmap != null) {
                return bitmap;
            } else if (filer != null) {
                return bitmapFromFiler(filer, offset, stackBuffer1);
            } else {
                return null;
            }
        }, stackBuffer);

        if (andNot != null) {
            container.andNot(andNot);
        }

        if (container.isEmpty()) {
            return container;
        }
    }

    return container;
}
 
开发者ID:jivesoftware,项目名称:miru,代码行数:40,代码来源:MiruBitmapsRoaring.java

示例5: add

import org.roaringbitmap.RoaringBitmap; //导入方法依赖的package包/类
@Override
public RoaringBitmap[] add(RoaringBitmap... set) {
    final int numSumBitmaps = 32 - Integer.numberOfLeadingZeros(set.length);
    int lastBitSlice = 0;
    RoaringBitmap[] acc = new RoaringBitmap[numSumBitmaps + 1]; // null
                                                                // sentinel
                                                                // at end
    acc[0] = set[0];
    for (int k = 1; k < set.length; ++k) {
        RoaringBitmap c = RoaringBitmap.and(set[k], acc[0]);
        if (k == 1)
            acc[0] = RoaringBitmap.xor(acc[0], set[k]);
        else
            acc[0].xor(set[k]);
        int i;
        for (i = 1; acc[i] != null; ++i) {
            RoaringBitmap temp1 = RoaringBitmap.xor(acc[i], c);
            c.and(acc[i]);
            acc[i] = temp1;
        }

        if (!c.isEmpty()) {
            acc[i] = c;
            lastBitSlice = i;
        }
    }
    return Arrays.copyOf(acc, lastBitSlice + 1);

}
 
开发者ID:lemire,项目名称:BitSliceIndex,代码行数:30,代码来源:BSTMAdder.java

示例6: add

import org.roaringbitmap.RoaringBitmap; //导入方法依赖的package包/类
/**
 * Returns as few bitmaps as needed, the first one carrying the least
 * significant bits.
 * 
 * @param a
 * @param b
 * @return
 */
public static RoaringBitmap[] add(RoaringBitmap[] a, RoaringBitmap[] b) {
    int mini = Math.min(a.length, b.length);
    int maxi = Math.max(a.length, b.length);
    ArrayList<RoaringBitmap> answer = new ArrayList<RoaringBitmap>(maxi + 1);
    int i = 0;
    RoaringBitmap carry = new RoaringBitmap();
    if (mini > 0) {
        answer.add(RoaringBitmap.xor(a[i], b[i]));
        carry = RoaringBitmap.and(a[i], b[i]);
        ++i;
    }
    for (; i < mini; ++i) {
        RoaringBitmap tmp = RoaringBitmap.xor(a[i], b[i]);
        answer.add(RoaringBitmap.xor(carry, tmp));
        carry.and(tmp);
        carry.or(RoaringBitmap.and(a[i], b[i]));
    }
    if (mini != maxi) {
        RoaringBitmap[] longest = a.length > b.length ? a : b;
        for (; i < maxi; ++i) {
            if (carry.isEmpty()) {
                answer.add(longest[i].clone());
            } else {
                answer.add(RoaringBitmap.xor(carry, longest[i]));
                carry.and(longest[i]);
            }
        }
    }
    if (!carry.isEmpty())
        answer.add(carry);
    return answer.toArray(a);
}
 
开发者ID:lemire,项目名称:BitSliceIndex,代码行数:41,代码来源:RippleCarry.java

示例7: isEmpty

import org.roaringbitmap.RoaringBitmap; //导入方法依赖的package包/类
@Override
public boolean isEmpty(RoaringBitmap bitmap) {
    return bitmap.isEmpty();
}
 
开发者ID:jivesoftware,项目名称:miru,代码行数:5,代码来源:MiruBitmapsRoaring.java

示例8: firstSetBit

import org.roaringbitmap.RoaringBitmap; //导入方法依赖的package包/类
@Override
public int firstSetBit(RoaringBitmap bitmap) {
    return bitmap.isEmpty() ? -1 : bitmap.first();
}
 
开发者ID:jivesoftware,项目名称:miru,代码行数:5,代码来源:MiruBitmapsRoaring.java

示例9: lastSetBit

import org.roaringbitmap.RoaringBitmap; //导入方法依赖的package包/类
@Override
public int lastSetBit(RoaringBitmap bitmap) {
    return bitmap.isEmpty() ? -1 : bitmap.last();
}
 
开发者ID:jivesoftware,项目名称:miru,代码行数:5,代码来源:MiruBitmapsRoaring.java

示例10: containsAny

import org.roaringbitmap.RoaringBitmap; //导入方法依赖的package包/类
@Override
public boolean containsAny(RoaringBitmap container, RoaringBitmap contained) {
    RoaringBitmap intersection = RoaringBitmap.and(container, contained);
    return !intersection.isEmpty();
}
 
开发者ID:jivesoftware,项目名称:miru,代码行数:6,代码来源:MiruBitmapsRoaring.java


注:本文中的org.roaringbitmap.RoaringBitmap.isEmpty方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。