com.google.appengine.api.search.dev
Class SnippetExpression
- java.lang.Object
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- com.google.appengine.api.search.dev.Expression
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- com.google.appengine.api.search.dev.SnippetExpression
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public class SnippetExpression extends Expression
Expression which generates snippets from specified document.
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Nested Class Summary
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Nested classes/interfaces inherited from class com.google.appengine.api.search.dev.Expression
Expression.Sorter
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method and Description FieldValue
eval(Document doc)
Evaluate the expression to field value proto for the specified document.java.lang.String
evalHtml(Document doc)
java.util.List<Expression.Sorter>
getSorters(int sign, double defaultValueNumeric, java.lang.String defaultValueText)
Get list of sort classes for the expression.static Expression
makeSnippetExpression(java.lang.String query, java.lang.String fieldName, java.util.Set<ContentType> fieldTypes, com.google.appengine.api.search.dev.NumericExpression maxCharsExpression, com.google.appengine.api.search.dev.NumericExpression maxSnippetsExpression)
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Methods inherited from class com.google.appengine.api.search.dev.Expression
makeValue
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Method Detail
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makeSnippetExpression
public static Expression makeSnippetExpression(java.lang.String query, java.lang.String fieldName, java.util.Set<ContentType> fieldTypes, com.google.appengine.api.search.dev.NumericExpression maxCharsExpression, com.google.appengine.api.search.dev.NumericExpression maxSnippetsExpression)
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evalHtml
public java.lang.String evalHtml(Document doc) throws EvaluationException
- Throws:
EvaluationException
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eval
public FieldValue eval(Document doc) throws EvaluationException
Description copied from class:Expression
Evaluate the expression to field value proto for the specified document.- Specified by:
eval
in classExpression
- Throws:
EvaluationException
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getSorters
public java.util.List<Expression.Sorter> getSorters(int sign, double defaultValueNumeric, java.lang.String defaultValueText)
Description copied from class:Expression
Get list of sort classes for the expression. Usually it contains just one element, but for field expressions it can potentially return 2 sorters when both numeric and text fields exist with a field name.- Specified by:
getSorters
in classExpression
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