com.netflix.spectator.impl.matcher.ZeroOrMoreMatcher.next()方法的使用及代码示例-6ren

com.netflix.spectator.impl.matcher.ZeroOrMoreMatcher.next()方法的使用及代码示例

转载作者：知者更新时间：2024-03-20 09:48:31

本文整理了Java中com.netflix.spectator.impl.matcher.ZeroOrMoreMatcher.next()方法的一些代码示例，展示了ZeroOrMoreMatcher.next()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。ZeroOrMoreMatcher.next()方法的具体详情如下：
包路径：com.netflix.spectator.impl.matcher.ZeroOrMoreMatcher
类名称：ZeroOrMoreMatcher
方法名：next

ZeroOrMoreMatcher.next介绍

[英]Return the matcher for the portion that follows the sub-string.
[中]返回子字符串后面部分的匹配器。

代码示例

代码示例来源：origin: Netflix/spectator

/**
 * Remove match any pattern at the end, e.g., ({@code "foo.*$" => "foo"}).
 */
static Matcher removeTrailingMatchAny(Matcher matcher) {
 if (matcher instanceof ZeroOrMoreMatcher) {
  ZeroOrMoreMatcher zm = matcher.as();
  boolean atEnd = zm.next() instanceof TrueMatcher || zm.next() instanceof EndMatcher;
  if (atEnd && zm.repeated() instanceof AnyMatcher) {
   return TrueMatcher.INSTANCE;
  }
 }
 return matcher;
}

代码示例来源：origin: com.netflix.spectator/spectator-api

/**
 * Remove match any pattern at the end, e.g., ({@code "foo.*$" => "foo"}).
 */
static Matcher removeTrailingMatchAny(Matcher matcher) {
 if (matcher instanceof ZeroOrMoreMatcher) {
  ZeroOrMoreMatcher zm = matcher.as();
  boolean atEnd = zm.next() instanceof TrueMatcher || zm.next() instanceof EndMatcher;
  if (atEnd && zm.repeated() instanceof AnyMatcher) {
   return TrueMatcher.INSTANCE;
  }
 }
 return matcher;
}

代码示例来源：origin: Netflix/spectator

/**
 * If the match after a repeated pattern is false, then treat the whole match as false.
 * For example: {@code ".*$." => "$."}.
 */
static Matcher zeroOrMoreFalse(Matcher matcher) {
 if (matcher instanceof ZeroOrMoreMatcher) {
  ZeroOrMoreMatcher zm = matcher.as();
  if (zm.repeated() instanceof FalseMatcher || zm.next() instanceof FalseMatcher) {
   return zm.next();
  }
 }
 return matcher;
}

代码示例来源：origin: com.netflix.spectator/spectator-api

/**
 * If the match after a repeated pattern is false, then treat the whole match as false.
 * For example: {@code ".*$." => "$."}.
 */
static Matcher zeroOrMoreFalse(Matcher matcher) {
 if (matcher instanceof ZeroOrMoreMatcher) {
  ZeroOrMoreMatcher zm = matcher.as();
  if (zm.repeated() instanceof FalseMatcher || zm.next() instanceof FalseMatcher) {
   return zm.next();
  }
 }
 return matcher;
}

代码示例来源：origin: Netflix/spectator

/**
 * Adjacent any matches can be consolidated, e.g., ({@code ".*(.*foo)" => ".*foo"}).
 */
static Matcher removeMatchAnyFollowedByIndexOf(Matcher matcher) {
 if (matcher instanceof ZeroOrMoreMatcher) {
  ZeroOrMoreMatcher zm = matcher.as();
  if (zm.repeated() instanceof AnyMatcher
    && PatternUtils.getPrefix(zm.next()) instanceof IndexOfMatcher) {
   return zm.next();
  }
 }
 return matcher;
}

代码示例来源：origin: com.netflix.spectator/spectator-api

/**
 * Adjacent any matches can be consolidated, e.g., ({@code ".*(.*foo)" => ".*foo"}).
 */
static Matcher removeMatchAnyFollowedByIndexOf(Matcher matcher) {
 if (matcher instanceof ZeroOrMoreMatcher) {
  ZeroOrMoreMatcher zm = matcher.as();
  if (zm.repeated() instanceof AnyMatcher
    && PatternUtils.getPrefix(zm.next()) instanceof IndexOfMatcher) {
   return zm.next();
  }
 }
 return matcher;
}

代码示例来源：origin: Netflix/spectator

/**
 * If a start anchor is preceded by a repeated any match, then the any match can be removed
 * as it must be empty for the start anchor to match ({@code ".*^" => "^"}).
 */
static Matcher removeMatchAnyFollowedByStart(Matcher matcher) {
 if (matcher instanceof ZeroOrMoreMatcher) {
  ZeroOrMoreMatcher zm = matcher.as();
  if (zm.repeated() instanceof AnyMatcher
    && zm.next() instanceof SeqMatcher
    && zm.next().<SeqMatcher>as().matchers().get(0).isStartAnchored()) {
   return zm.next();
  }
 }
 return matcher;
}

代码示例来源：origin: com.netflix.spectator/spectator-api

/**
 * If a start anchor is preceded by a repeated any match, then the any match can be removed
 * as it must be empty for the start anchor to match ({@code ".*^" => "^"}).
 */
static Matcher removeMatchAnyFollowedByStart(Matcher matcher) {
 if (matcher instanceof ZeroOrMoreMatcher) {
  ZeroOrMoreMatcher zm = matcher.as();
  if (zm.repeated() instanceof AnyMatcher
    && zm.next() instanceof SeqMatcher
    && zm.next().<SeqMatcher>as().matchers().get(0).isStartAnchored()) {
   return zm.next();
  }
 }
 return matcher;
}

代码示例来源：origin: Netflix/spectator

/**
 * Zero or more start anchors is the same as not being anchored by the start.
 */
static Matcher removeRepeatedStart(Matcher matcher) {
 if (matcher instanceof ZeroOrMoreMatcher) {
  ZeroOrMoreMatcher zm = matcher.as();
  if (zm.repeated() instanceof StartMatcher) {
   return zm.next();
  }
 }
 return matcher;
}

代码示例来源：origin: com.netflix.spectator/spectator-api

/**
 * Zero or more start anchors is the same as not being anchored by the start.
 */
static Matcher removeRepeatedStart(Matcher matcher) {
 if (matcher instanceof ZeroOrMoreMatcher) {
  ZeroOrMoreMatcher zm = matcher.as();
  if (zm.repeated() instanceof StartMatcher) {
   return zm.next();
  }
 }
 return matcher;
}

代码示例来源：origin: com.netflix.spectator/spectator-api

/**
 * Adjacent any matches can be consolidated, e.g., ({@code ".*.*" => ".*"}).
 */
static Matcher removeSequentialMatchAny(Matcher matcher) {
 if (matcher instanceof ZeroOrMoreMatcher) {
  ZeroOrMoreMatcher zm1 = matcher.as();
  if (zm1.repeated() instanceof AnyMatcher && zm1.next() instanceof ZeroOrMoreMatcher) {
   ZeroOrMoreMatcher zm2 = zm1.next().as();
   if (zm2.repeated() instanceof AnyMatcher) {
    return zm2;
   }
  }
 }
 return matcher;
}

代码示例来源：origin: Netflix/spectator

/**
 * Adjacent any matches can be consolidated, e.g., ({@code ".*.*" => ".*"}).
 */
static Matcher removeSequentialMatchAny(Matcher matcher) {
 if (matcher instanceof ZeroOrMoreMatcher) {
  ZeroOrMoreMatcher zm1 = matcher.as();
  if (zm1.repeated() instanceof AnyMatcher && zm1.next() instanceof ZeroOrMoreMatcher) {
   ZeroOrMoreMatcher zm2 = zm1.next().as();
   if (zm2.repeated() instanceof AnyMatcher) {
    return zm2;
   }
  }
 }
 return matcher;
}

代码示例来源：origin: Netflix/spectator

/**
 * If the matcher preceding an OR clause is a repeated any match, move into each branch
 * of the OR clause. This allows for other optimizations such as conversion to an indexOf
 * to take effect for each branch.
 */
static Matcher inlineMatchAnyPrecedingOr(Matcher matcher) {
 if (matcher instanceof ZeroOrMoreMatcher) {
  ZeroOrMoreMatcher zm = matcher.as();
  if (zm.repeated() instanceof AnyMatcher && zm.next() instanceof OrMatcher) {
   List<Matcher> matchers = zm.next().<OrMatcher>as().matchers();
   List<Matcher> ms = new ArrayList<>();
   for (Matcher m : matchers) {
    ms.add(new ZeroOrMoreMatcher(AnyMatcher.INSTANCE, m));
   }
   return OrMatcher.create(ms);
  }
 }
 return matcher;
}

代码示例来源：origin: com.netflix.spectator/spectator-api

/**
 * If the matcher preceding an OR clause is a repeated any match, move into each branch
 * of the OR clause. This allows for other optimizations such as conversion to an indexOf
 * to take effect for each branch.
 */
static Matcher inlineMatchAnyPrecedingOr(Matcher matcher) {
 if (matcher instanceof ZeroOrMoreMatcher) {
  ZeroOrMoreMatcher zm = matcher.as();
  if (zm.repeated() instanceof AnyMatcher && zm.next() instanceof OrMatcher) {
   List<Matcher> matchers = zm.next().<OrMatcher>as().matchers();
   List<Matcher> ms = new ArrayList<>();
   for (Matcher m : matchers) {
    ms.add(new ZeroOrMoreMatcher(AnyMatcher.INSTANCE, m));
   }
   return OrMatcher.create(ms);
  }
 }
 return matcher;
}

代码示例来源：origin: com.netflix.spectator/spectator-api

/**
  * Get the suffix matcher. This is similar to {@link #tail(Matcher)} except that it intended
  * to be used with {@link #getPrefix(Matcher)}
  */
 static Matcher getSuffix(Matcher matcher) {
  if (matcher instanceof SeqMatcher) {
   List<Matcher> ms = matcher.<SeqMatcher>as().matchers();
   return SeqMatcher.create(ms.subList(1, ms.size()));
  } else if (matcher instanceof ZeroOrMoreMatcher) {
   ZeroOrMoreMatcher zm = matcher.as();
   return zm.next();
  } else if (matcher instanceof CharSeqMatcher) {
   String pattern = matcher.<CharSeqMatcher>as().pattern();
   return pattern.length() <= 1 ? TrueMatcher.INSTANCE : new CharSeqMatcher(pattern.substring(1));
  } else {
   return TrueMatcher.INSTANCE;
  }
 }
}

代码示例来源：origin: Netflix/spectator

/**
  * Get the suffix matcher. This is similar to {@link #tail(Matcher)} except that it intended
  * to be used with {@link #getPrefix(Matcher)}
  */
 static Matcher getSuffix(Matcher matcher) {
  if (matcher instanceof SeqMatcher) {
   List<Matcher> ms = matcher.<SeqMatcher>as().matchers();
   return SeqMatcher.create(ms.subList(1, ms.size()));
  } else if (matcher instanceof ZeroOrMoreMatcher) {
   ZeroOrMoreMatcher zm = matcher.as();
   return zm.next();
  } else if (matcher instanceof CharSeqMatcher) {
   String pattern = matcher.<CharSeqMatcher>as().pattern();
   return pattern.length() <= 1 ? TrueMatcher.INSTANCE : new CharSeqMatcher(pattern.substring(1));
  } else {
   return TrueMatcher.INSTANCE;
  }
 }
}

代码示例来源：origin: Netflix/spectator

/**
 * If a char sequence is preceded by a repeated any match, then replace with an
 * IndexOfMatcher. The index of operation seems to be optimized by the JDK and is
 * much faster. Example: {@code ".*foo" => indexOf("foo")}.
 */
static Matcher convertRepeatedAnyCharSeqToIndexOf(Matcher matcher) {
 if (matcher instanceof ZeroOrMoreMatcher) {
  ZeroOrMoreMatcher zm1 = matcher.as();
  Matcher prefix = PatternUtils.getPrefix(zm1.next());
  if (zm1.repeated() instanceof AnyMatcher && prefix instanceof CharSeqMatcher) {
   String pattern = prefix.<CharSeqMatcher>as().pattern();
   Matcher suffix = PatternUtils.getSuffix(zm1.next());
   return new IndexOfMatcher(pattern, suffix);
  }
 }
 return matcher;
}

代码示例来源：origin: com.netflix.spectator/spectator-api

/**
 * If a char sequence is preceded by a repeated any match, then replace with an
 * IndexOfMatcher. The index of operation seems to be optimized by the JDK and is
 * much faster. Example: {@code ".*foo" => indexOf("foo")}.
 */
static Matcher convertRepeatedAnyCharSeqToIndexOf(Matcher matcher) {
 if (matcher instanceof ZeroOrMoreMatcher) {
  ZeroOrMoreMatcher zm1 = matcher.as();
  Matcher prefix = PatternUtils.getPrefix(zm1.next());
  if (zm1.repeated() instanceof AnyMatcher && prefix instanceof CharSeqMatcher) {
   String pattern = prefix.<CharSeqMatcher>as().pattern();
   Matcher suffix = PatternUtils.getSuffix(zm1.next());
   return new IndexOfMatcher(pattern, suffix);
  }
 }
 return matcher;
}

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