org.apache.cayenne.dbsync.reverse.dbload.ProcedureLoader.java Source code

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 *  to you under the Apache License, Version 2.0 (the
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package org.apache.cayenne.dbsync.reverse.dbload;

import java.sql.DatabaseMetaData;
import java.sql.ResultSet;
import java.sql.SQLException;

import org.apache.cayenne.dba.DbAdapter;
import org.apache.cayenne.dbsync.reverse.filters.CatalogFilter;
import org.apache.cayenne.dbsync.reverse.filters.PatternFilter;
import org.apache.cayenne.dbsync.reverse.filters.SchemaFilter;
import org.apache.cayenne.map.Procedure;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class ProcedureLoader extends PerCatalogAndSchemaLoader {

    private static final Log LOGGER = LogFactory.getLog(DbLoader.class);

    ProcedureLoader(DbAdapter adapter, DbLoaderConfiguration config, DbLoaderDelegate delegate) {
        super(adapter, config, delegate);
    }

    @Override
    protected ResultSet getResultSet(String catalogName, String schemaName, DatabaseMetaData metaData)
            throws SQLException {
        return metaData.getProcedures(catalogName, schemaName, WILDCARD);
    }

    @Override
    protected boolean shouldLoad(CatalogFilter catalog, SchemaFilter schema) {
        PatternFilter filter = config.getFiltersConfig().proceduresFilter(catalog.name, schema.name);
        return !filter.isEmpty();
    }

    @Override
    protected void processResultSetRow(CatalogFilter catalog, SchemaFilter schema, DbLoadDataStore map,
            ResultSet rs) throws SQLException {
        PatternFilter filter = config.getFiltersConfig().proceduresFilter(catalog.name, schema.name);
        String name = rs.getString("PROCEDURE_NAME");
        if (!filter.isIncluded(name)) {
            LOGGER.info("skipping Cayenne PK procedure: " + name);
            return;
        }

        Procedure procedure = new Procedure(name);
        procedure.setCatalog(rs.getString("PROCEDURE_CAT"));
        procedure.setSchema(rs.getString("PROCEDURE_SCHEM"));

        switch (rs.getShort("PROCEDURE_TYPE")) {
        case DatabaseMetaData.procedureNoResult:
        case DatabaseMetaData.procedureResultUnknown:
            procedure.setReturningValue(false);
            break;
        case DatabaseMetaData.procedureReturnsResult:
            procedure.setReturningValue(true);
            break;
        }
        map.addProcedureSafe(procedure);
    }
}