本文整理汇总了Java中org.apache.lucene.index.FieldInfo.IndexOptions.compareTo方法的典型用法代码示例。如果您正苦于以下问题:Java IndexOptions.compareTo方法的具体用法?Java IndexOptions.compareTo怎么用?Java IndexOptions.compareTo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.index.FieldInfo.IndexOptions
的用法示例。
在下文中一共展示了IndexOptions.compareTo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: setField
import org.apache.lucene.index.FieldInfo.IndexOptions; //导入方法依赖的package包/类
@Override
public int setField(FieldInfo fieldInfo) {
IndexOptions indexOptions = fieldInfo.getIndexOptions();
fieldHasFreqs = indexOptions.compareTo(IndexOptions.DOCS_AND_FREQS) >= 0;
fieldHasPositions = indexOptions.compareTo(IndexOptions.DOCS_AND_FREQS_AND_POSITIONS) >= 0;
fieldHasOffsets = indexOptions.compareTo(IndexOptions.DOCS_AND_FREQS_AND_POSITIONS_AND_OFFSETS) >= 0;
fieldHasPayloads = fieldInfo.hasPayloads();
skipWriter.setField(fieldHasPositions, fieldHasOffsets, fieldHasPayloads);
lastState = emptyState;
if (fieldHasPositions) {
if (fieldHasPayloads || fieldHasOffsets) {
return 3; // doc + pos + pay FP
} else {
return 2; // doc + pos FP
}
} else {
return 1; // doc FP
}
}
示例2: reset
import org.apache.lucene.index.FieldInfo.IndexOptions; //导入方法依赖的package包/类
public SimpleTextDocsAndPositionsEnum reset(long fp, Bits liveDocs, IndexOptions indexOptions, int docFreq) {
this.liveDocs = liveDocs;
nextDocStart = fp;
docID = -1;
readPositions = indexOptions.compareTo(IndexOptions.DOCS_AND_FREQS_AND_POSITIONS) >= 0;
readOffsets = indexOptions.compareTo(IndexOptions.DOCS_AND_FREQS_AND_POSITIONS_AND_OFFSETS) >= 0;
if (!readOffsets) {
startOffset = -1;
endOffset = -1;
}
cost = docFreq;
return this;
}
示例3: read
import org.apache.lucene.index.FieldInfo.IndexOptions; //导入方法依赖的package包/类
@Override
public FieldInfos read(Directory directory, String segmentName, String segmentSuffix, IOContext iocontext) throws IOException {
final String fileName = IndexFileNames.segmentFileName(segmentName, "", Lucene40FieldInfosFormat.FIELD_INFOS_EXTENSION);
IndexInput input = directory.openInput(fileName, iocontext);
boolean success = false;
try {
CodecUtil.checkHeader(input, Lucene40FieldInfosFormat.CODEC_NAME,
Lucene40FieldInfosFormat.FORMAT_START,
Lucene40FieldInfosFormat.FORMAT_CURRENT);
final int size = input.readVInt(); //read in the size
FieldInfo infos[] = new FieldInfo[size];
for (int i = 0; i < size; i++) {
String name = input.readString();
final int fieldNumber = input.readVInt();
byte bits = input.readByte();
boolean isIndexed = (bits & Lucene40FieldInfosFormat.IS_INDEXED) != 0;
boolean storeTermVector = (bits & Lucene40FieldInfosFormat.STORE_TERMVECTOR) != 0;
boolean omitNorms = (bits & Lucene40FieldInfosFormat.OMIT_NORMS) != 0;
boolean storePayloads = (bits & Lucene40FieldInfosFormat.STORE_PAYLOADS) != 0;
final IndexOptions indexOptions;
if (!isIndexed) {
indexOptions = null;
} else if ((bits & Lucene40FieldInfosFormat.OMIT_TERM_FREQ_AND_POSITIONS) != 0) {
indexOptions = IndexOptions.DOCS_ONLY;
} else if ((bits & Lucene40FieldInfosFormat.OMIT_POSITIONS) != 0) {
indexOptions = IndexOptions.DOCS_AND_FREQS;
} else if ((bits & Lucene40FieldInfosFormat.STORE_OFFSETS_IN_POSTINGS) != 0) {
indexOptions = IndexOptions.DOCS_AND_FREQS_AND_POSITIONS_AND_OFFSETS;
} else {
indexOptions = IndexOptions.DOCS_AND_FREQS_AND_POSITIONS;
}
// LUCENE-3027: past indices were able to write
// storePayloads=true when omitTFAP is also true,
// which is invalid. We correct that, here:
if (isIndexed && indexOptions.compareTo(IndexOptions.DOCS_AND_FREQS_AND_POSITIONS) < 0) {
storePayloads = false;
}
// DV Types are packed in one byte
byte val = input.readByte();
final LegacyDocValuesType oldValuesType = getDocValuesType((byte) (val & 0x0F));
final LegacyDocValuesType oldNormsType = getDocValuesType((byte) ((val >>> 4) & 0x0F));
final Map<String,String> attributes = input.readStringStringMap();;
if (oldValuesType.mapping != null) {
attributes.put(LEGACY_DV_TYPE_KEY, oldValuesType.name());
}
if (oldNormsType.mapping != null) {
if (oldNormsType.mapping != DocValuesType.NUMERIC) {
throw new CorruptIndexException("invalid norm type: " + oldNormsType + " (resource=" + input + ")");
}
attributes.put(LEGACY_NORM_TYPE_KEY, oldNormsType.name());
}
infos[i] = new FieldInfo(name, isIndexed, fieldNumber, storeTermVector,
omitNorms, storePayloads, indexOptions, oldValuesType.mapping, oldNormsType.mapping, -1, Collections.unmodifiableMap(attributes));
}
CodecUtil.checkEOF(input);
FieldInfos fieldInfos = new FieldInfos(infos);
success = true;
return fieldInfos;
} finally {
if (success) {
input.close();
} else {
IOUtils.closeWhileHandlingException(input);
}
}
}