本文整理汇总了Java中org.apache.lucene.index.PostingsEnum.FREQS属性的典型用法代码示例。如果您正苦于以下问题：Java PostingsEnum.FREQS属性的具体用法？Java PostingsEnum.FREQS怎么用？Java PostingsEnum.FREQS使用的例子？那么, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类org.apache.lucene.index.PostingsEnum的用法示例。
在下文中一共展示了PostingsEnum.FREQS属性的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: FreqTermsEnum
public FreqTermsEnum(IndexReader reader, String field, boolean needDocFreq, boolean needTotalTermFreq, @Nullable Query filter, BigArrays bigArrays) throws IOException {
super(reader, field, needTotalTermFreq ? PostingsEnum.FREQS : PostingsEnum.NONE, filter);
this.bigArrays = bigArrays;
this.needDocFreqs = needDocFreq;
this.needTotalTermFreqs = needTotalTermFreq;
if (needDocFreq) {
termDocFreqs = bigArrays.newIntArray(INITIAL_NUM_TERM_FREQS_CACHED, false);
} else {
termDocFreqs = null;
}
if (needTotalTermFreq) {
termsTotalFreqs = bigArrays.newLongArray(INITIAL_NUM_TERM_FREQS_CACHED, false);
} else {
termsTotalFreqs = null;
}
cachedTermOrds = new BytesRefHash(INITIAL_NUM_TERM_FREQS_CACHED, bigArrays);
}
示例2: convertToLuceneFlags
private int convertToLuceneFlags(int flags) {
int lucenePositionsFlags = PostingsEnum.NONE;
lucenePositionsFlags |= (flags & IndexLookup.FLAG_FREQUENCIES) > 0 ? PostingsEnum.FREQS : 0x0;
lucenePositionsFlags |= (flags & IndexLookup.FLAG_POSITIONS) > 0 ? PostingsEnum.POSITIONS : 0x0;
lucenePositionsFlags |= (flags & IndexLookup.FLAG_PAYLOADS) > 0 ? PostingsEnum.PAYLOADS : 0x0;
lucenePositionsFlags |= (flags & IndexLookup.FLAG_OFFSETS) > 0 ? PostingsEnum.OFFSETS : 0x0;
return lucenePositionsFlags;
}
示例3: seekExact
@Override
public boolean seekExact(BytesRef text) throws IOException {
int docFreq = 0;
long totalTermFreq = 0;
for (Holder anEnum : enums) {
if (anEnum.termsEnum.seekExact(text)) {
if (anEnum.bits == null) {
docFreq += anEnum.termsEnum.docFreq();
if (docsEnumFlag == PostingsEnum.FREQS) {
long leafTotalTermFreq = anEnum.termsEnum.totalTermFreq();
if (totalTermFreq == -1 || leafTotalTermFreq == -1) {
totalTermFreq = -1;
continue;
}
totalTermFreq += leafTotalTermFreq;
}
} else {
final PostingsEnum docsEnum = anEnum.docsEnum = anEnum.termsEnum.postings(anEnum.docsEnum, docsEnumFlag);
// 2 choices for performing same heavy loop - one attempts to calculate totalTermFreq and other does not
if (docsEnumFlag == PostingsEnum.FREQS) {
for (int docId = docsEnum.nextDoc(); docId != DocIdSetIterator.NO_MORE_DOCS; docId = docsEnum.nextDoc()) {
if (anEnum.bits != null && anEnum.bits.get(docId) == false) {
continue;
}
docFreq++;
// docsEnum.freq() returns 1 if doc indexed with IndexOptions.DOCS_ONLY so no way of knowing if value
// is really 1 or unrecorded when filtering like this
totalTermFreq += docsEnum.freq();
}
} else {
for (int docId = docsEnum.nextDoc(); docId != DocIdSetIterator.NO_MORE_DOCS; docId = docsEnum.nextDoc()) {
if (anEnum.bits != null && anEnum.bits.get(docId) == false) {
continue;
}
// docsEnum.freq() behaviour is undefined if docsEnumFlag==PostingsEnum.FLAG_NONE so don't bother with call
docFreq++;
}
}
}
}
}
if (docFreq > 0) {
currentDocFreq = docFreq;
currentTotalTermFreq = totalTermFreq;
current = text;
return true;
} else {
currentDocFreq = NOT_FOUND;
currentTotalTermFreq = NOT_FOUND;
current = null;
return false;
}
}