com.ephesoft.dcma.da.dao.hibernate.BatchClassGroupsDaoImpl.java Source code

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Here is the source code for com.ephesoft.dcma.da.dao.hibernate.BatchClassGroupsDaoImpl.java

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package com.ephesoft.dcma.da.dao.hibernate;

import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;

import org.hibernate.criterion.DetachedCriteria;
import org.hibernate.criterion.Disjunction;
import org.hibernate.criterion.Order;
import org.hibernate.criterion.Restrictions;
import org.springframework.stereotype.Repository;

import com.ephesoft.dcma.core.dao.hibernate.HibernateDao;
import com.ephesoft.dcma.da.dao.BatchClassGroupsDao;
import com.ephesoft.dcma.da.domain.BatchClassGroups;

/**
 * This class is responsible to fetch data of batch instance group table from data base.
 * 
 * @author Ephesoft
 * @version 1.0
 * @see com.ephesoft.dcma.da.dao.BatchClassGroupsDao
 */
@Repository
public class BatchClassGroupsDaoImpl extends HibernateDao<BatchClassGroups> implements BatchClassGroupsDao {

    /**
     * GROUP_NAME String.
     */
    private static final String GROUP_NAME = "groupName";

    /**
     * BATCH_CLASS String.
     */
    private static final String BATCH_CLASS = "batchClass";

    /**
     * BATCH_CLASS_IDENTIFIER String.
     */
    private static final String BATCH_CLASS_IDENTIFIER = "batchClass.identifier";

    /**
     * API for getting the batch class identifiers having the user roles.
     * @param userRoles Set<String>
     * @return Set<String>
     */
    @Override
    public Set<String> getBatchClassIdentifierForUserRoles(Set<String> userRoles) {
        //Set<String> batchClassIdentifiers = getBatchClassIdentifierForUserRoles(userRoles, true);
        return getBatchClassIdentifierForUserRoles(userRoles, true);
    }

    /**
     * API for getting the batch class identifiers having the user roles.
     * @param userRoles Set<String>
     * @param includeDeleted boolean
     * @return Set<String>
     */
    @Override
    public Set<String> getBatchClassIdentifierForUserRoles(Set<String> userRoles, boolean includeDeleted) {
        boolean isValid = true;
        if (userRoles == null || userRoles.size() == 0) {
            isValid = false;
        }
        Set<String> batchClassIdentifiers = null;

        // New version of fetching.
        if (isValid) {
            batchClassIdentifiers = new LinkedHashSet<String>();
            DetachedCriteria criteria = criteria();
            Disjunction disjunction = Restrictions.disjunction();
            for (String userRole : userRoles) {
                disjunction.add(Restrictions.eq(GROUP_NAME, userRole));
            }
            criteria.add(disjunction);
            criteria.addOrder(Order.asc(BATCH_CLASS));
            List<BatchClassGroups> batchClassGroups = find(criteria);
            for (BatchClassGroups batchClassGroup : batchClassGroups) {
                if (includeDeleted) {
                    batchClassIdentifiers.add(batchClassGroup.getBatchClass().getIdentifier());
                } else {
                    if (!batchClassGroup.getBatchClass().isDeleted()) {
                        batchClassIdentifiers.add(batchClassGroup.getBatchClass().getIdentifier());
                    }
                }
            }
        }
        return batchClassIdentifiers;
    }

    /**
     * API for getting the user roles for a batch class.
     * @param userRoles Set<String>
     * @param batchClassIdentifier
     * @return Set<String>
     */
    @Override
    public Set<String> getRolesForBatchClass(String batchClassIdentifier) {
        Set<String> userGroups = new HashSet<String>();
        DetachedCriteria criteria = criteria();
        criteria.createAlias(BATCH_CLASS, BATCH_CLASS);
        criteria.add(Restrictions.eq(BATCH_CLASS_IDENTIFIER, batchClassIdentifier));
        List<BatchClassGroups> batchClassGroups = find(criteria);
        for (BatchClassGroups batchClassGroup : batchClassGroups) {
            userGroups.add(batchClassGroup.getGroupName());
        }
        return userGroups;
    }
}