Examples of edu.stanford.nlp.ling.tokensregex.types.Expression

Package edu.stanford.nlp.ling.tokensregex.types

Examples of edu.stanford.nlp.ling.tokensregex.types.Expression

edu.stanford.nlp.ling.tokensregex.types.Expression
This interfaces represents an expression that can be evaluated to obtain a value @author Angel Chang

    return extractor;
  }


  public Value getValue(String varname)
  {
    Expression expr = (Expression) env.get(varname);
    if (expr != null) {
      return expr.evaluate(env);
    } else {
      throw new RuntimeException("Unable get expression for variable " + varname);
    }
  }

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    public SequenceMatchRules.AnnotationExtractRule create(Env env, Map<String,Object> attributes) {
      SequenceMatchRules.AnnotationExtractRule r = super.create(env, attributes);
      if (r.ruleType == null) { r.ruleType = "time"; }
      String expr = (String) Expressions.asObject(env, attributes.get("pattern"));
      String formatter = (String) Expressions.asObject(env, attributes.get("formatter"));
      Expression action = Expressions.asExpression(env, attributes.get("action"));
      String localeString = (String) Expressions.asObject(env, attributes.get("locale"));
      if (formatter == null) {
        if (r.annotationField == null) { r.annotationField = EnvLookup.getDefaultTextAnnotationKey(env);  }
        /* Parse pattern and figure out what the result should be.... */
        CustomDateFormatExtractor formatExtractor = new CustomDateFormatExtractor(expr, localeString);

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      if (r.annotationField == null) { r.annotationField = r.resultNestedAnnotationField;  }
      if (r.annotationField == null) { throw new IllegalArgumentException("Error creating composite rule: no annotation field"); }
      if (r.ruleType == null) { r.ruleType = TOKEN_PATTERN_RULE_TYPE; }
      //SequencePattern.PatternExpr expr = (SequencePattern.PatternExpr) attributes.get("pattern");
      TokenSequencePattern expr = (TokenSequencePattern) Expressions.asObject(env, attributes.get("pattern"));
      Expression action = Expressions.asExpression(env, attributes.get("action"));
      Expression result = Expressions.asExpression(env, attributes.get("result"));
      updateExtractRule(r, env, expr, action, result);
      return r;
    }

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      AnnotationExtractRule r = super.create(env, attributes);
      if (r.annotationField == null) { r.annotationField = r.tokensAnnotationField;  }
      if (r.ruleType == null) { r.ruleType = TOKEN_PATTERN_RULE_TYPE; }
      //SequencePattern.PatternExpr expr = (SequencePattern.PatternExpr) attributes.get("pattern");
      TokenSequencePattern expr = (TokenSequencePattern) Expressions.asObject(env, attributes.get("pattern"));
      Expression action = Expressions.asExpression(env, attributes.get("action"));
      Expression result = Expressions.asExpression(env, attributes.get("result"));
      updateExtractRule(r, env, expr, action, result);
      return r;
    }

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    public AnnotationExtractRule create(Env env, Map<String,Object> attributes) {
      AnnotationExtractRule r = super.create(env, attributes);
      if (r.annotationField == null) { r.annotationField = EnvLookup.getDefaultTextAnnotationKey(env);  }
      if (r.ruleType == null) { r.ruleType = TEXT_PATTERN_RULE_TYPE; }
      String expr = (String) Expressions.asObject(env, attributes.get("pattern"));
      Expression action = Expressions.asExpression(env, attributes.get("action"));
      Expression result = Expressions.asExpression(env, attributes.get("result"));
      updateExtractRule(r, env, expr, action, result);
      return r;
    }

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Related Classes of edu.stanford.nlp.ling.tokensregex.types.Expression

edu.stanford.nlp.ling.tokensregex.CoreMapExpressionExtractor

edu.stanford.nlp.ling.tokensregex.SequenceMatchRules$CompositeExtractRuleCreator

edu.stanford.nlp.ling.tokensregex.SequenceMatchRules$TextPatternExtractRuleCreator

edu.stanford.nlp.ling.tokensregex.SequenceMatchRules$TokenPatternExtractRuleCreator

edu.stanford.nlp.time.TimeFormatter$TimePatternExtractRuleCreator

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