Issue created: https://issues.apache.org/jira/browse/IGNITE-812
On Sat, Apr 25, 2015 at 4:21 AM, Dmitriy Setrakyan <[email protected]> wrote: > On Fri, Apr 24, 2015 at 12:04 PM, Alexey Kuznetsov < > [email protected]> > wrote: > > > Because of mapping to database. > > For example, some table could be named T1 but mapped to Person. > > Some column in that table could be named COL1 but mapped to Person.name. > > Some column in that table could has type integer but mapped to any > numeric > > type supported by java (conversion will be done by JDBC). > > Also we could map to primitives or to objects (for example: int / > Integer). > > Also some cols should not be mapped at all. > > > > But I think it is good idea to not specify any mapping if Table and > columns > > fully corresponds to java side. > > > > I will create issue to support such case. > > > > I agree. We should make the simple things simple to configure. > > > > > > > > On Fri, Apr 24, 2015 at 10:40 PM, Dmitriy Setrakyan < > [email protected] > > > > > wrote: > > > > > I am a bit confused. Why can't we provide just a simple list of classes > > to > > > CacheJdbcPojoStore? Why do we need to define the whole metadata? > > > > > > On Fri, Apr 24, 2015 at 10:28 AM, Alexey Kuznetsov < > > > [email protected]> > > > wrote: > > > > > > > CacheJdbcPojoStore uses CacheTypeMetadata to describe connection > > between > > > > database table and POJO. > > > > > > > > In CacheTypeMetadata user should specify DB schema name, table name, > > key > > > > class name, value class name and how these classes mapped to DB > table. > > > > Using this information CacheJdbcPojoStore will find getters and > setters > > > in > > > > POJO via reflection (assuming that POJO is a Java bean). > > > > > > > > About documentation: > > > > http://apacheignite.readme.io/v1.0/docs/automatic-persistence > > > > examples\schema-import\README.txt > > > > > > > > > > > > > > > > On Fri, Apr 24, 2015 at 8:35 PM, Dmitriy Setrakyan < > > > [email protected]> > > > > wrote: > > > > > > > > > I have several questions about CacheJdbcPojoStore. > > > > > > > > > > 1. According to javadoc, this store uses reflection to analyze the > > > > classes, > > > > > but there is no setter to set the classes. What is the way to do > it? > > > Can > > > > we > > > > > make sure that javadoc reflects that? > > > > > > > > > > 2. Is there an example or documentation for it outside of the > > javadoc? > > > > > > > > > > D. > > > > > > > > > > > > > > > > > > > > > -- > > > > Alexey Kuznetsov > > > > GridGain Systems > > > > www.gridgain.com > > > > > > > > > > > > > > > -- > > Alexey Kuznetsov > > GridGain Systems > > www.gridgain.com > > > -- Alexey Kuznetsov GridGain Systems www.gridgain.com
