@Bean
    @Primary
    @ConfigurationProperties(prefix="datasource.primary")
    public DataSource primaryDataSource() {
        return DataSourceBuilder.create().build();
    }

    @Bean
    @ConfigurationProperties(prefix="datasource.secondary")
    public DataSource secondaryDataSource() {
        return DataSourceBuilder.create().build();
    }

datasource.primary.url="url"
    datasource.primary.username="user"
    datasource.primary.password="password"
    datasource.primary.driver-class-name=com.sybase.jdbc2.jdbc.SybDriver


    datasource.secondary.url="url"
    datasource.secondary.username="user"
    datasource.secondary.password="password"
    datasource.secondary.driver-class-name=com.ibm.db2.jcc.DB2Driver

<springframework.version>4.2.4.RELEASE</springframework.version>