[Java] Class AbstractQueryCommand
- groovy.sql.Sql.AbstractQueryCommand
Field Summary
Modifiers | Name | Description |
---|---|---|
protected String | sql | |
protected Statement | statement |
Constructor Summary
Constructor and description |
---|
protected Sql.AbstractQueryCommand
(String sql) |
Methods Summary
Type Params | Return Type | Name and description |
---|---|---|
protected void |
closeResources() After performing the execute operation and making use of its return, it's necessary to free the resources allocated for the statement. | |
protected void |
closeResources(ResultSet rs) After performing the execute operation and making use of its return, it's necessary to free the resources allocated for the statement. | |
protected ResultSet |
execute() Execute the command that's defined by the subclass following the Command pattern. | |
protected int |
getMaxRows() Get the maximum number of rows to return in the ResultSet | |
protected ResultSet |
runQuery(Connection connection) Perform the query. | |
protected void |
setMaxRows(int maxRows) Set the maximum number of rows to return in the ResultSet |
Inherited Methods Summary
Methods inherited from class | Name |
---|---|
class Object | wait, wait, wait, equals, toString, hashCode, getClass, notify, notifyAll |
Field Detail
protected final String sql
protected Statement statement
Constructor Detail
protected Sql.AbstractQueryCommand(String sql)
Method Detail
protected final void closeResources()
After performing the execute operation and making use of its return, it's necessary to free the resources allocated for the statement.
protected final void closeResources(ResultSet rs)
After performing the execute operation and making use of its return, it's necessary to free the resources allocated for the statement.
- Parameters:
-
rs
- allows the caller to conveniently close its resource as well
protected final ResultSet execute()
Execute the command that's defined by the subclass following the Command pattern. Specialized parameters are held in the command instances.
- throws:
- SQLException if a database error occurs
- Returns:
- ResultSet from executing a query
protected int getMaxRows()
Get the maximum number of rows to return in the ResultSet
- Returns:
- the maximum number of rows
protected ResultSet runQuery(Connection connection)
Perform the query. Must set statement field so that the main (execute()) method can clean up. This is the method that encloses the variant part of the code.
- throws:
- SQLException if a database error occurs
- Parameters:
-
connection
- the connection to use
- Returns:
- ResultSet from an executeQuery method.
protected void setMaxRows(int maxRows)
Set the maximum number of rows to return in the ResultSet
- Parameters:
-
maxRows
- the maximum number of rows
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Licensed under the Apache license.
https://docs.groovy-lang.org/2.5.14/html/gapi/groovy/sql/Sql.AbstractQueryCommand.html