org.apache.lucene.util.automaton.Operations.concatenate()方法的使用及代码示例

x33g5p2x  于2022-01-26 转载在 其他  
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本文整理了Java中org.apache.lucene.util.automaton.Operations.concatenate()方法的一些代码示例，展示了Operations.concatenate()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Operations.concatenate()方法的具体详情如下：
包路径：org.apache.lucene.util.automaton.Operations
类名称：Operations
方法名：concatenate

Operations.concatenate介绍

[英]Returns an automaton that accepts the concatenation of the languages of the given automata.

Complexity: linear in total number of states.
[中]返回一个自动机，该自动机接受给定自动机的语言的串联。
复杂性：状态总数呈线性。

代码示例

代码示例来源：origin: org.apache.lucene/lucene-core

  1. /**
  2.  * Returns an automaton that accepts the concatenation of the languages of the
  3.  * given automata.
  4.  * <p>
  5.  * Complexity: linear in total number of states.
  6.  */
  7. static public Automaton concatenate(Automaton a1, Automaton a2) {
  8.  return concatenate(Arrays.asList(a1, a2));
  9. }

代码示例来源：origin: org.apache.lucene/lucene-core

  1. /**
  2.  * Returns an automaton that accepts <code>min</code> or more concatenated
  3.  * repetitions of the language of the given automaton.
  4.  * <p>
  5.  * Complexity: linear in number of states and in <code>min</code>.
  6.  */
  7. static public Automaton repeat(Automaton a, int count) {
  8.  if (count == 0) {
  9.   return repeat(a);
  10.  }
  11.  List<Automaton> as = new ArrayList<>();
  12.  while (count-- > 0) {
  13.   as.add(a);
  14.  }
  15.  as.add(repeat(a));
  16.  return concatenate(as);
  17. }

代码示例来源：origin: org.apache.lucene/lucene-core

  1. return Operations.concatenate(automata);

代码示例来源：origin: org.apache.lucene/lucene-core

  1. as.add(a);
  2. b = concatenate(as);

代码示例来源：origin: org.elasticsearch/elasticsearch

  1. protected Automaton convertAutomaton(Automaton a) {
  2.  if (queryPrefix != null) {
  3.   a = Operations.concatenate(Arrays.asList(queryPrefix, a));
  4.   // This automaton should not blow up during determinize:
  5.   a = Operations.determinize(a, Integer.MAX_VALUE);
  6.  }
  7.  return a;
  8. }

代码示例来源：origin: org.elasticsearch/elasticsearch

  1. /** Return an {@link Automaton} that matches the given pattern. */
  2. public static Automaton simpleMatchToAutomaton(String pattern) {
  3.   List<Automaton> automata = new ArrayList<>();
  4.   int previous = 0;
  5.   for (int i = pattern.indexOf('*'); i != -1; i = pattern.indexOf('*', i + 1)) {
  6.     automata.add(Automata.makeString(pattern.substring(previous, i)));
  7.     automata.add(Automata.makeAnyString());
  8.     previous = i + 1;
  9.   }
  10.   automata.add(Automata.makeString(pattern.substring(previous)));
  11.   return Operations.concatenate(automata);
  12. }

代码示例来源：origin: org.apache.lucene/lucene-core

  1. findLeaves(exp2, Kind.REGEXP_CONCATENATION, list, automata,
  2.   automaton_provider, maxDeterminizedStates);
  3. a = Operations.concatenate(list);
  4. a = MinimizationOperations.minimize(a, maxDeterminizedStates);
  5. break;

代码示例来源：origin: org.elasticsearch/elasticsearch

  1. /** Make matches on objects also match dots in field names.
  2.  *  For instance, if the original simple regex is `foo`, this will translate
  3.  *  it into `foo` OR `foo.*`. */
  4. private static Automaton makeMatchDotsInFieldNames(Automaton automaton) {
  5.   return Operations.union(
  6.       automaton,
  7.       Operations.concatenate(Arrays.asList(automaton, Automata.makeChar('.'), Automata.makeAnyString())));
  8. }

代码示例来源：origin: org.apache.servicemix.bundles/org.apache.servicemix.bundles.lucene

  1. /**
  2.  * Returns an automaton that accepts the concatenation of the languages of the
  3.  * given automata.
  4.  * <p>
  5.  * Complexity: linear in total number of states.
  6.  */
  7. static public Automaton concatenate(Automaton a1, Automaton a2) {
  8.  return concatenate(Arrays.asList(a1, a2));
  9. }

代码示例来源：origin: org.infinispan/infinispan-embedded-query

  1. /**
  2.  * Returns an automaton that accepts the concatenation of the languages of the
  3.  * given automata.
  4.  * <p>
  5.  * Complexity: linear in total number of states.
  6.  */
  7. static public Automaton concatenate(Automaton a1, Automaton a2) {
  8.  return concatenate(Arrays.asList(a1, a2));
  9. }

代码示例来源：origin: com.strapdata.elasticsearch/elasticsearch

  1. protected Automaton convertAutomaton(Automaton a) {
  2.  if (queryPrefix != null) {
  3.   a = Operations.concatenate(Arrays.asList(queryPrefix, a));
  4.   // This automaton should not blow up during determinize:
  5.   a = Operations.determinize(a, Integer.MAX_VALUE);
  6.  }
  7.  return a;
  8. }

代码示例来源：origin: org.apache.servicemix.bundles/org.apache.servicemix.bundles.elasticsearch

  1. protected Automaton convertAutomaton(Automaton a) {
  2.  if (queryPrefix != null) {
  3.   a = Operations.concatenate(Arrays.asList(queryPrefix, a));
  4.   // This automaton should not blow up during determinize:
  5.   a = Operations.determinize(a, Integer.MAX_VALUE);
  6.  }
  7.  return a;
  8. }

代码示例来源：origin: apache/servicemix-bundles

  1. protected Automaton convertAutomaton(Automaton a) {
  2.  if (queryPrefix != null) {
  3.   a = Operations.concatenate(Arrays.asList(queryPrefix, a));
  4.   // This automaton should not blow up during determinize:
  5.   a = Operations.determinize(a, Integer.MAX_VALUE);
  6.  }
  7.  return a;
  8. }

代码示例来源：origin: org.codelibs/elasticsearch-querybuilders

  1. /** Return an {Automaton} that matches the given pattern. */
  2. public static Automaton simpleMatchToAutomaton(String pattern) {
  3.   List<Automaton> automata = new ArrayList<>();
  4.   int previous = 0;
  5.   for (int i = pattern.indexOf('*'); i != -1; i = pattern.indexOf('*', i + 1)) {
  6.     automata.add(Automata.makeString(pattern.substring(previous, i)));
  7.     automata.add(Automata.makeAnyString());
  8.     previous = i + 1;
  9.   }
  10.   automata.add(Automata.makeString(pattern.substring(previous)));
  11.   return Operations.concatenate(automata);
  12. }

代码示例来源：origin: com.strapdata.elasticsearch/elasticsearch

  1. /** Return an {@link Automaton} that matches the given pattern. */
  2. public static Automaton simpleMatchToAutomaton(String pattern) {
  3.   List<Automaton> automata = new ArrayList<>();
  4.   int previous = 0;
  5.   for (int i = pattern.indexOf('*'); i != -1; i = pattern.indexOf('*', i + 1)) {
  6.     automata.add(Automata.makeString(pattern.substring(previous, i)));
  7.     automata.add(Automata.makeAnyString());
  8.     previous = i + 1;
  9.   }
  10.   automata.add(Automata.makeString(pattern.substring(previous)));
  11.   return Operations.concatenate(automata);
  12. }

代码示例来源：origin: org.apache.servicemix.bundles/org.apache.servicemix.bundles.elasticsearch

  1. /** Return an {@link Automaton} that matches the given pattern. */
  2. public static Automaton simpleMatchToAutomaton(String pattern) {
  3.   List<Automaton> automata = new ArrayList<>();
  4.   int previous = 0;
  5.   for (int i = pattern.indexOf('*'); i != -1; i = pattern.indexOf('*', i + 1)) {
  6.     automata.add(Automata.makeString(pattern.substring(previous, i)));
  7.     automata.add(Automata.makeAnyString());
  8.     previous = i + 1;
  9.   }
  10.   automata.add(Automata.makeString(pattern.substring(previous)));
  11.   return Operations.concatenate(automata);
  12. }

代码示例来源：origin: org.codelibs/elasticsearch-querybuilders

  1. /** Make matches on objects also match dots in field names.
  2.  *  For instance, if the original simple regex is `foo`, this will translate
  3.  *  it into `foo` OR `foo.*`. */
  4. private static Automaton makeMatchDotsInFieldNames(Automaton automaton) {
  5.   return Operations.union(
  6.       automaton,
  7.       Operations.concatenate(Arrays.asList(automaton, Automata.makeChar('.'), Automata.makeAnyString())));
  8. }

代码示例来源：origin: org.apache.servicemix.bundles/org.apache.servicemix.bundles.elasticsearch

  1. /** Make matches on objects also match dots in field names.
  2.  *  For instance, if the original simple regex is `foo`, this will translate
  3.  *  it into `foo` OR `foo.*`. */
  4. private static Automaton makeMatchDotsInFieldNames(Automaton automaton) {
  5.   return Operations.union(
  6.       automaton,
  7.       Operations.concatenate(Arrays.asList(automaton, Automata.makeChar('.'), Automata.makeAnyString())));
  8. }

代码示例来源：origin: com.strapdata.elasticsearch/elasticsearch

  1. /** Make matches on objects also match dots in field names.
  2.  *  For instance, if the original simple regex is `foo`, this will translate
  3.  *  it into `foo` OR `foo.*`. */
  4. private static Automaton makeMatchDotsInFieldNames(Automaton automaton) {
  5.   return Operations.union(
  6.       automaton,
  7.       Operations.concatenate(Arrays.asList(automaton, Automata.makeChar('.'), Automata.makeAnyString())));
  8. }

代码示例来源：origin: wikimedia/search-highlighter

  1. protected void flattenPrefixQuery(BytesRef bytes, float boost, Object sourceOverride,
  2.     Callback callback) {
  3.   // Should be safe not to copy this because it is fixed...
  4.   if (!sentAutomata.add(bytes)) {
  5.     return;
  6.   }
  7.   Object source = sourceOverride == null ? bytes : sourceOverride;
  8.   Automaton automaton = Automata.makeString(bytes.utf8ToString());
  9.   automaton = Operations.concatenate(automaton, Automata.makeAnyString());
  10.   callback.flattened(automaton, boost, source.hashCode());
  11. }

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