RoleServiceImpl.java

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package com.smartitengineering.user.service.impl;

import com.smartitengineering.dao.common.queryparam.QueryParameterFactory;
import com.smartitengineering.dao.impl.hibernate.AbstractCommonDaoImpl;
import com.smartitengineering.user.domain.Role;
import com.smartitengineering.user.domain.UniqueConstrainedField;
import com.smartitengineering.user.filter.RoleFilter;
import com.smartitengineering.user.service.ExceptionMessage;
import com.smartitengineering.user.service.RoleService;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Date;
import java.util.List;
import java.util.Set;
import org.apache.commons.lang.StringUtils;
import org.hibernate.StaleStateException;
import org.hibernate.exception.ConstraintViolationException;

/**
 *
 * @author modhu7
 */
public class RoleServiceImpl extends AbstractCommonDaoImpl<Role> implements RoleService {

  public RoleServiceImpl() {
    setEntityClass(Role.class);
  }

  @Override
  public void create(Role role) {
    validateRole(role);
    final Date date = new Date();
    role.setCreationDate(date);
    role.setLastModifiedDate(date);
    try {
      super.save(role);
    }
    catch (ConstraintViolationException e) {
      String message = ExceptionMessage.CONSTRAINT_VIOLATION_EXCEPTION.name() + "-" + UniqueConstrainedField.OTHER;
      throw new RuntimeException(message, e);
    }
    catch (StaleStateException e) {
      String message =
             ExceptionMessage.STALE_OBJECT_STATE_EXCEPTION.name() + "-" + UniqueConstrainedField.OTHER;
      throw new RuntimeException(message, e);
    }
  }

  @Override
  public void delete(Role role) {
    try {
      super.delete(role);
    }
    catch (Exception e) {
    }
  }

  @Override
  public Collection<Role> getAllRoles() {
    return super.getAll();
  }

  @Override
  public void update(Role role) {
    validateRole(role);
    final Date date = new Date();
    role.setLastModifiedDate(date);
    try {
      super.update(role);
    }
    catch (ConstraintViolationException e) {
      String message = ExceptionMessage.CONSTRAINT_VIOLATION_EXCEPTION.name() + "-" + UniqueConstrainedField.OTHER;
      throw new RuntimeException(message, e);
    }
    catch (StaleStateException e) {
      String message =
             ExceptionMessage.STALE_OBJECT_STATE_EXCEPTION.name() + "-" +
          UniqueConstrainedField.OTHER;
      throw new RuntimeException(message, e);
    }
  }

  public void validateRole(Role role) {

    if (StringUtils.isEmpty(role.getName())) {
      throw new RuntimeException(ExceptionMessage.CONSTRAINT_VIOLATION_EXCEPTION.name() + "-" + UniqueConstrainedField.ROLE_NAME.
          name());
    }

    if (role.getId() == null) {
      Integer count = (Integer) super.getOther(
          QueryParameterFactory.getElementCountParam("name"),
          QueryParameterFactory.getStringLikePropertyParam("name", role.getName()));
      if (count.intValue() > 0) {
        throw new RuntimeException(ExceptionMessage.CONSTRAINT_VIOLATION_EXCEPTION.name() + "-" + UniqueConstrainedField.ROLE_NAME.
            name());
      }
    }
    else {
      Integer count = (Integer) super.getOther(
          QueryParameterFactory.getElementCountParam("name"),
          QueryParameterFactory.getConjunctionParam(
          QueryParameterFactory.getNotEqualPropertyParam("id", role.getId()), QueryParameterFactory.
          getStringLikePropertyParam("name", role.getName())));
      if (count.intValue() > 0) {
        throw new RuntimeException(ExceptionMessage.CONSTRAINT_VIOLATION_EXCEPTION.name() + "-" + UniqueConstrainedField.ROLE_NAME.
            name());
      }

    }
  }

  @Override
  public Role getRoleByName(String roleName) {
    return super.getSingle(QueryParameterFactory.getEqualPropertyParam("name", roleName));
  }

  @Override
  public Collection<Role> search(RoleFilter filter) {
    throw new UnsupportedOperationException("Not supported yet.");
  }

  @Override
  public Set<Role> getRolesByIds(Long... ids) {
    return getRolesByIds(Arrays.<Long>asList(ids));
  }

  @Override
  public Set<Role> getRolesByIds(List<Long> ids) {
    List<Integer> ints = new ArrayList<Integer>(ids.size());
    for (Long id : ids) {
      ints.add(id.intValue());
    }
    return getByIds(ints);
  }
}