FieldExpression (Google App Engine API for Java)

com.google.appengine.api.search

Class FieldExpression

  • java.lang.Object
    • com.google.appengine.api.search.FieldExpression

  • public class FieldExpression
extends java.lang.Object
    Represents an expression bound to a returned Field with the given name. FieldExpressions are added to a QueryOptions, to request an expression computed and returned as the named Field value. For example, 
       FieldExpression.newBuilder()
       .setName("snippet")
       .setExpression("snippet(\"good story\", content)")
       .build()
    binds a snippet expression to a Field named "snippet", which will be returned in each search result. In this case the returned "snippet" Field will contain a HTML value containing text snippets of the "content" field matching the query "good story".

    • Method Detail

      • getName

        public java.lang.String getName()
        Returns:
        the name of the expression

      • getExpression

        public java.lang.String getExpression()
        Returns:
        the expression string used to create a field

      • toString

        public java.lang.String toString()
        Overrides:
        toString in class java.lang.Object