244 lines
10 KiB
Java
244 lines
10 KiB
Java
package eu.eudat.query;
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import eu.eudat.authorization.AuthorizationFlags;
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import eu.eudat.authorization.Permission;
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import eu.eudat.commons.enums.StorageType;
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import eu.eudat.commons.scope.user.UserScope;
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import eu.eudat.data.StorageFileEntity;
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import eu.eudat.model.StorageFile;
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import eu.eudat.query.utils.QueryUtilsService;
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import gr.cite.commons.web.authz.service.AuthorizationService;
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import gr.cite.tools.data.query.FieldResolver;
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import gr.cite.tools.data.query.QueryBase;
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import gr.cite.tools.data.query.QueryContext;
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import jakarta.persistence.Tuple;
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import jakarta.persistence.criteria.CriteriaBuilder;
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import jakarta.persistence.criteria.Predicate;
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import org.springframework.beans.factory.config.ConfigurableBeanFactory;
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import org.springframework.context.annotation.Scope;
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import org.springframework.stereotype.Component;
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import java.time.Instant;
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import java.util.*;
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@Component
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@Scope(value = ConfigurableBeanFactory.SCOPE_PROTOTYPE)
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public class StorageFileQuery extends QueryBase<StorageFileEntity> {
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private String like;
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private Collection<UUID> ids;
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private Collection<UUID> ownerIds;
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private Boolean canPurge;
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private Boolean isPurged;
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private Instant createdAfter;
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private Collection<UUID> excludedIds;
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private EnumSet<AuthorizationFlags> authorize = EnumSet.of(AuthorizationFlags.None);
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private final UserScope userScope;
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private final AuthorizationService authService;
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private final QueryUtilsService queryUtilsService;
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public StorageFileQuery(UserScope userScope, AuthorizationService authService, QueryUtilsService queryUtilsService) {
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this.userScope = userScope;
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this.authService = authService;
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this.queryUtilsService = queryUtilsService;
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}
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public StorageFileQuery like(String value) {
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this.like = value;
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return this;
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}
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public StorageFileQuery ids(UUID value) {
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this.ids = List.of(value);
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return this;
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}
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public StorageFileQuery ids(UUID... value) {
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this.ids = Arrays.asList(value);
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return this;
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}
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public StorageFileQuery ids(Collection<UUID> values) {
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this.ids = values;
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return this;
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}
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public StorageFileQuery ownerIds(UUID value) {
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this.ownerIds = List.of(value);
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return this;
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}
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public StorageFileQuery ownerIds(UUID... value) {
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this.ownerIds = Arrays.asList(value);
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return this;
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}
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public StorageFileQuery ownerIds(Collection<UUID> values) {
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this.ownerIds = values;
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return this;
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}
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public StorageFileQuery createdAfter(Instant value) {
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this.createdAfter = value;
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return this;
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}
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public StorageFileQuery canPurge(Boolean value) {
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this.canPurge = value;
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return this;
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}
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public StorageFileQuery isPurged(Boolean value) {
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this.isPurged = value;
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return this;
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}
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public StorageFileQuery excludedIds(Collection<UUID> values) {
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this.excludedIds = values;
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return this;
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}
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public StorageFileQuery excludedIds(UUID value) {
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this.excludedIds = List.of(value);
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return this;
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}
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public StorageFileQuery excludedIds(UUID... value) {
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this.excludedIds = Arrays.asList(value);
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return this;
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}
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public StorageFileQuery authorize(EnumSet<AuthorizationFlags> values) {
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this.authorize = values;
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return this;
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}
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@Override
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protected Boolean isFalseQuery() {
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return
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this.isEmpty(this.ids) ||
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this.isEmpty(this.ownerIds) ||
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this.isEmpty(this.excludedIds) ;
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}
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@Override
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protected Class<StorageFileEntity> entityClass() {
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return StorageFileEntity.class;
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}
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@Override
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protected <X, Y> Predicate applyAuthZ(QueryContext<X, Y> queryContext) {
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if (this.authorize.contains(AuthorizationFlags.None)) return null;
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if (this.authorize.contains(AuthorizationFlags.Permission) && this.authService.authorize(Permission.BrowseStorageFile)) return null;
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UUID userId;
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if (this.authorize.contains(AuthorizationFlags.Owner)) userId = this.userScope.getUserIdSafe();
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else userId = null;
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List<Predicate> predicates = new ArrayList<>();
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if (userId != null) {
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predicates.add(queryContext.CriteriaBuilder.in(queryContext.Root.get(StorageFileEntity._ownerId)).value(userId));
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}
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if (!predicates.isEmpty()) {
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Predicate[] predicatesArray = predicates.toArray(new Predicate[0]);
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return queryContext.CriteriaBuilder.and(predicatesArray);
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} else {
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return queryContext.CriteriaBuilder.or(); //Creates a false query
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}
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}
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@Override
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protected <X, Y> Predicate applyFilters(QueryContext<X, Y> queryContext) {
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List<Predicate> predicates = new ArrayList<>();
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if (this.like != null && !this.like.isEmpty()) {
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predicates.add( queryUtilsService.ilike(queryContext.CriteriaBuilder, queryContext.Root.get(StorageFileEntity._name), this.like));
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}
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if (this.ids != null) {
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CriteriaBuilder.In<UUID> inClause = queryContext.CriteriaBuilder.in(queryContext.Root.get(StorageFileEntity._id));
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for (UUID item : this.ids)
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inClause.value(item);
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predicates.add(inClause);
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}
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if (this.ownerIds != null) {
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CriteriaBuilder.In<UUID> inClause = queryContext.CriteriaBuilder.in(queryContext.Root.get(StorageFileEntity._ownerId));
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for (UUID item : this.ownerIds)
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inClause.value(item);
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predicates.add(inClause);
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}
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if (this.createdAfter != null) {
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predicates.add(queryContext.CriteriaBuilder.greaterThan(queryContext.Root.get(StorageFileEntity._createdAt), this.createdAfter));
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}
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if (this.canPurge != null) {
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if (this.canPurge) {
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predicates.add(
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queryContext.CriteriaBuilder.and(
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queryContext.CriteriaBuilder.isNotNull(queryContext.Root.get(StorageFileEntity._purgeAt)),
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queryContext.CriteriaBuilder.lessThan(queryContext.Root.get(StorageFileEntity._purgeAt), Instant.now())
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)
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);
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} else {
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predicates.add(
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queryContext.CriteriaBuilder.or(
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queryContext.CriteriaBuilder.isNull(queryContext.Root.get(StorageFileEntity._purgeAt)),
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queryContext.CriteriaBuilder.greaterThan(queryContext.Root.get(StorageFileEntity._purgeAt), Instant.now())
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)
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);
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}
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}
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if (this.isPurged != null) {
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if (this.isPurged){
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predicates.add(queryContext.CriteriaBuilder.isNotNull(queryContext.Root.get(StorageFileEntity._purgedAt)));
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} else {
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predicates.add(queryContext.CriteriaBuilder.isNull(queryContext.Root.get(StorageFileEntity._purgedAt)));
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}
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}
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if (this.excludedIds != null) {
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CriteriaBuilder.In<UUID> notInClause = queryContext.CriteriaBuilder.in(queryContext.Root.get(StorageFileEntity._id));
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for (UUID item : this.excludedIds)
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notInClause.value(item);
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predicates.add(notInClause.not());
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}
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if (!predicates.isEmpty()) {
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Predicate[] predicatesArray = predicates.toArray(new Predicate[0]);
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return queryContext.CriteriaBuilder.and(predicatesArray);
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} else {
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return null;
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}
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}
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@Override
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protected String fieldNameOf(FieldResolver item) {
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if (item.match(StorageFile._id)) return StorageFileEntity._id;
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else if (item.match(StorageFile._name)) return StorageFileEntity._name;
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else if (item.match(StorageFile._fileRef)) return StorageFileEntity._fileRef;
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else if (item.match(StorageFile._fullName)) return StorageFileEntity._name;
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else if (item.match(StorageFile._extension)) return StorageFileEntity._extension;
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else if (item.match(StorageFile._mimeType)) return StorageFileEntity._mimeType;
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else if (item.match(StorageFile._storageType)) return StorageFileEntity._storageType;
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else if (item.match(StorageFile._createdAt)) return StorageFileEntity._createdAt;
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else if (item.match(StorageFile._purgeAt)) return StorageFileEntity._purgeAt;
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else if (item.match(StorageFile._purgedAt)) return StorageFileEntity._purgedAt;
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else if (item.match(StorageFile._owner)) return StorageFileEntity._ownerId;
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else if (item.prefix(StorageFile._owner)) return StorageFileEntity._ownerId;
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else if (item.match(StorageFile._belongsToCurrentTenant)) return StorageFileEntity._tenantId;
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else return null;
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}
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@Override
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protected StorageFileEntity convert(Tuple tuple, Set<String> columns) {
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StorageFileEntity item = new StorageFileEntity();
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item.setId(QueryBase.convertSafe(tuple, columns, StorageFileEntity._id, UUID.class));
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item.setTenantId(QueryBase.convertSafe(tuple, columns, StorageFileEntity._tenantId, UUID.class));
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item.setName(QueryBase.convertSafe(tuple, columns, StorageFileEntity._name, String.class));
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item.setFileRef(QueryBase.convertSafe(tuple, columns, StorageFileEntity._fileRef, String.class));
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item.setExtension(QueryBase.convertSafe(tuple, columns, StorageFileEntity._extension, String.class));
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item.setMimeType(QueryBase.convertSafe(tuple, columns, StorageFileEntity._mimeType, String.class));
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item.setStorageType(QueryBase.convertSafe(tuple, columns, StorageFileEntity._storageType, StorageType.class));
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item.setCreatedAt(QueryBase.convertSafe(tuple, columns, StorageFileEntity._createdAt, Instant.class));
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item.setPurgeAt(QueryBase.convertSafe(tuple, columns, StorageFileEntity._purgeAt, Instant.class));
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item.setPurgedAt(QueryBase.convertSafe(tuple, columns, StorageFileEntity._purgedAt, Instant.class));
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item.setOwnerId(QueryBase.convertSafe(tuple, columns, StorageFileEntity._ownerId, UUID.class));
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return item;
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}
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}
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