本文整理汇总了Java中org.apache.lucene.queries.function.FunctionValues.exists方法的典型用法代码示例。如果您正苦于以下问题：Java FunctionValues.exists方法的具体用法？Java FunctionValues.exists怎么用？Java FunctionValues.exists使用的例子？那么, 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类org.apache.lucene.queries.function.FunctionValues的用法示例。
在下文中一共展示了FunctionValues.exists方法的3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: parse
import org.apache.lucene.queries.function.FunctionValues; //导入方法依赖的package包/类
@Override
public ValueSource parse(FunctionQParser fp) throws SyntaxError {
ValueSource vs = fp.parseValueSource();
return new SimpleBoolFunction(vs) {
@Override
protected String name() {
return "exists";
}
@Override
protected boolean func(int doc, FunctionValues vals) {
return vals.exists(doc);
}
};
}
示例2: count
import org.apache.lucene.queries.function.FunctionValues; //导入方法依赖的package包/类
private void count(ValueSource valueSource, List<MatchingDocs> matchingDocs) throws IOException {
DoubleRange[] ranges = (DoubleRange[]) this.ranges;
LongRange[] longRanges = new LongRange[ranges.length];
for(int i=0;i<ranges.length;i++) {
DoubleRange range = ranges[i];
longRanges[i] = new LongRange(range.label,
NumericUtils.doubleToSortableLong(range.minIncl), true,
NumericUtils.doubleToSortableLong(range.maxIncl), true);
}
LongRangeCounter counter = new LongRangeCounter(longRanges);
int missingCount = 0;
for (MatchingDocs hits : matchingDocs) {
FunctionValues fv = valueSource.getValues(Collections.emptyMap(), hits.context);
totCount += hits.totalHits;
Bits bits;
if (fastMatchFilter != null) {
DocIdSet dis = fastMatchFilter.getDocIdSet(hits.context, null);
if (dis == null) {
// No documents match
continue;
}
bits = dis.bits();
if (bits == null) {
throw new IllegalArgumentException("fastMatchFilter does not implement DocIdSet.bits");
}
} else {
bits = null;
}
DocIdSetIterator docs = hits.bits.iterator();
int doc;
while ((doc = docs.nextDoc()) != DocIdSetIterator.NO_MORE_DOCS) {
if (bits != null && bits.get(doc) == false) {
doc++;
continue;
}
// Skip missing docs:
if (fv.exists(doc)) {
counter.add(NumericUtils.doubleToSortableLong(fv.doubleVal(doc)));
} else {
missingCount++;
}
}
}
missingCount += counter.fillCounts(counts);
totCount -= missingCount;
}
示例3: count
import org.apache.lucene.queries.function.FunctionValues; //导入方法依赖的package包/类
private void count(ValueSource valueSource, List<MatchingDocs> matchingDocs) throws IOException {
LongRange[] ranges = (LongRange[]) this.ranges;
LongRangeCounter counter = new LongRangeCounter(ranges);
int missingCount = 0;
for (MatchingDocs hits : matchingDocs) {
FunctionValues fv = valueSource.getValues(Collections.emptyMap(), hits.context);
totCount += hits.totalHits;
Bits bits;
if (fastMatchFilter != null) {
DocIdSet dis = fastMatchFilter.getDocIdSet(hits.context, null);
if (dis == null) {
// No documents match
continue;
}
bits = dis.bits();
if (bits == null) {
throw new IllegalArgumentException("fastMatchFilter does not implement DocIdSet.bits");
}
} else {
bits = null;
}
DocIdSetIterator docs = hits.bits.iterator();
int doc;
while ((doc = docs.nextDoc()) != DocIdSetIterator.NO_MORE_DOCS) {
if (bits != null && bits.get(doc) == false) {
doc++;
continue;
}
// Skip missing docs:
if (fv.exists(doc)) {
counter.add(fv.longVal(doc));
} else {
missingCount++;
}
}
}
int x = counter.fillCounts(counts);
missingCount += x;
//System.out.println("totCount " + totCount + " missingCount " + counter.missingCount);
totCount -= missingCount;
}