MyNpayBean.java

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import ru.bitel.bgbilling.common.BGException;
import ru.bitel.mybgbilling.kernel.common.AbstractBean;
import ru.bitel.mybgbilling.kernel.common.inject.BGInject;
import ru.bitel.mybgbilling.kernel.common.inject.BGInjection;
import ru.bitel.bgbilling.modules.npay.api.common.service.NpayService;

import javax.faces.bean.ViewScoped;
import javax.inject.Named;
import java.io.Serializable;
import java.math.BigDecimal;

@Named
@ViewScoped
@BGInjection
public class MyNPayBean extends AbstractBean implements Serializable {

    private static final Logger logger = LoggerFactory.getLogger(MyNPayBean.class);

    @BGInject
    private NpayService npayService;

    @Override
    protected void init() throws BGException {
        populate();
    }

    public void populate() throws BGException {
    }

    public BigDecimal getAmountForUnlock() throws BGException {
        return this.npayService.getAmountForUnlock(this.getContractId(),<MODULE_ID>);
    }
}