本文整理汇总了Java中org.apache.lucene.search.similarities.NormalizationH2类的典型用法代码示例。如果您正苦于以下问题：Java NormalizationH2类的具体用法？Java NormalizationH2怎么用？Java NormalizationH2使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
NormalizationH2类属于org.apache.lucene.search.similarities包，在下文中一共展示了NormalizationH2类的4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: parseNormalization
import org.apache.lucene.search.similarities.NormalizationH2; //导入依赖的package包/类
static Normalization parseNormalization(String expr, String c, String mu, String z) {
if (mu != null && !"H3".equals(expr)) {
throw new RuntimeException(
"parameter mu only makes sense for normalization H3");
}
if (z != null && !"Z".equals(expr)) {
throw new RuntimeException(
"parameter z only makes sense for normalization Z");
}
if (c != null && !("H1".equals(expr) || "H2".equals(expr))) {
throw new RuntimeException(
"parameter c only makese sense for normalizations H1 and H2");
}
if ("H1".equals(expr)) {
return (c != null) ? new NormalizationH1(Float.parseFloat(c))
: new NormalizationH1();
} else if ("H2".equals(expr)) {
return (c != null) ? new NormalizationH2(Float.parseFloat(c))
: new NormalizationH2();
} else if ("H3".equals(expr)) {
return (mu != null) ? new NormalizationH3(Float.parseFloat(mu))
: new NormalizationH3();
} else if ("Z".equals(expr)) {
return (z != null) ? new NormalizationZ(Float.parseFloat(z))
: new NormalizationZ();
} else if ("none".equals(expr)) {
return new Normalization.NoNormalization();
} else {
throw new RuntimeException("Invalid normalization: " + expr);
}
}
示例2: test
import org.apache.lucene.search.similarities.NormalizationH2; //导入依赖的package包/类
/** spl/df/h2 with default parameters */
public void test() throws Exception {
Similarity sim = getSimilarity("text");
assertEquals(IBSimilarity.class, sim.getClass());
IBSimilarity ib = (IBSimilarity) sim;
assertEquals(DistributionSPL.class, ib.getDistribution().getClass());
assertEquals(LambdaDF.class, ib.getLambda().getClass());
assertEquals(NormalizationH2.class, ib.getNormalization().getClass());
}
示例3: test
import org.apache.lucene.search.similarities.NormalizationH2; //导入依赖的package包/类
/** dfr with default parameters */
public void test() throws Exception {
Similarity sim = getSimilarity("text");
assertEquals(DFRSimilarity.class, sim.getClass());
DFRSimilarity dfr = (DFRSimilarity) sim;
assertEquals(BasicModelIF.class, dfr.getBasicModel().getClass());
assertEquals(AfterEffectB.class, dfr.getAfterEffect().getClass());
assertEquals(NormalizationH2.class, dfr.getNormalization().getClass());
}
示例4: testParameterC
import org.apache.lucene.search.similarities.NormalizationH2; //导入依赖的package包/类
/** LUCENE-3566 */
public void testParameterC() throws Exception {
Similarity sim = getSimilarity("text_paramc");
assertEquals(DFRSimilarity.class, sim.getClass());
DFRSimilarity dfr = (DFRSimilarity) sim;
assertEquals(BasicModelP.class, dfr.getBasicModel().getClass());
assertEquals(AfterEffectL.class, dfr.getAfterEffect().getClass());
assertEquals(NormalizationH2.class, dfr.getNormalization().getClass());
NormalizationH2 norm = (NormalizationH2) dfr.getNormalization();
assertEquals(7f, norm.getC(), 0.01f);
}