Package org.httprpc.sql

Class ResultSetAdapter

  • All Implemented Interfaces:
    java.lang.AutoCloseable, java.lang.Iterable<java.util.Map<java.lang.String,​java.lang.Object>>
    public class ResultSetAdapter
extends java.lang.Object
implements java.lang.Iterable<java.util.Map<java.lang.String,​java.lang.Object>>, java.lang.AutoCloseable
    Class that presents the contents of a result set as an iterable sequence of maps. Map instances are mutable, and column order is preserved.

    • Constructor Summary

      Constructors 
      Constructor Description
      ResultSetAdapter​(java.sql.ResultSet resultSet)
      Constructs a new result set adapter.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void close()  
      int getFetchSize()
      Returns the result set's fetch size.
      java.util.Iterator<java.util.Map<java.lang.String,​java.lang.Object>> iterator()  
      java.util.Map<java.lang.String,​java.lang.Object> next()
      Returns the next result.
      void setFetchSize​(int fetchSize)
      Sets the result set's fetch size.
      java.util.stream.Stream<java.util.Map<java.lang.String,​java.lang.Object>> stream()
      Returns a stream over the results.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

      • Methods inherited from interface java.lang.Iterable

        forEach, spliterator

    • Constructor Detail

      • ResultSetAdapter

        public ResultSetAdapter​(java.sql.ResultSet resultSet)
        Constructs a new result set adapter.
        Parameters:
        resultSet - The source result set.

    • Method Detail

      • getFetchSize

        public int getFetchSize()
                 throws java.sql.SQLException
        Returns the result set's fetch size.
        Returns:
        The result set's fetch size.
        Throws:
        java.sql.SQLException - If an error occurs while retrieving the fetch size.

      • setFetchSize

        public void setFetchSize​(int fetchSize)
                  throws java.sql.SQLException
        Sets the result set's fetch size.
        Parameters:
        fetchSize - The result set's fetch size.
        Throws:
        java.sql.SQLException - If an error occurs while setting the fetch size.

      • next

        public java.util.Map<java.lang.String,​java.lang.Object> next()
        Returns the next result.
        Returns:
        The next result, or null if there are no more results.

      • iterator

        public java.util.Iterator<java.util.Map<java.lang.String,​java.lang.Object>> iterator()
        Specified by:
        iterator in interface java.lang.Iterable<java.util.Map<java.lang.String,​java.lang.Object>>

      • close

        public void close()
           throws java.sql.SQLException
        Specified by:
        close in interface java.lang.AutoCloseable
        Throws:
        java.sql.SQLException

      • stream

        public java.util.stream.Stream<java.util.Map<java.lang.String,​java.lang.Object>> stream()
        Returns a stream over the results. Closing the returned stream does not close the underlying result set.
        Returns:
        A stream over the results.