org.apache.cayenne.project.validation.ProcedureQueryValidator Maven / Gradle / Ivy

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package org.apache.cayenne.project.validation;

import org.apache.cayenne.map.DataMap;
import org.apache.cayenne.map.Procedure;
import org.apache.cayenne.query.ProcedureQuery;
import org.apache.cayenne.query.Query;
import org.apache.cayenne.util.Util;
import org.apache.cayenne.validation.ValidationResult;

class ProcedureQueryValidator extends ConfigurationNodeValidator {

    void validate(ProcedureQuery query, ValidationResult validationResult) {
        validateName(query, validationResult);
        validateRoot(query, validationResult);
    }

    void validateRoot(ProcedureQuery query, ValidationResult validationResult) {

        DataMap map = query.getDataMap();
        Object root = query.getRoot();

        if (root == null && map != null) {
            addFailure(validationResult, query, "ProcedureQuery '%s' has no root", query
                    .getName());
        }

        // procedure query only supports procedure root
        if (root instanceof Procedure) {
            Procedure procedure = (Procedure) root;

            // procedure may have been deleted...
            if (map != null && map.getProcedure(procedure.getName()) != procedure) {
                addFailure(
                        validationResult,
                        query,
                        "ProcedureQuery '%s' has invalid Procedure root: %s",
                        query.getName(),
                        procedure.getName());
            }

            return;
        }

        if (root instanceof String) {
            if (map != null && map.getProcedure(root.toString()) == null) {
                addFailure(
                        validationResult,
                        query,
                        "ProcedureQuery '%s' has invalid Procedure root: %s",
                        query.getName(),
                        root);
            }
        }
    }

    void validateName(ProcedureQuery query, ValidationResult validationResult) {
        String name = query.getName();

        // Must have name
        if (Util.isEmptyString(name)) {
            addFailure(validationResult, query, "Unnamed ProcedureQuery");
            return;
        }

        DataMap map = query.getDataMap();
        if (map == null) {
            return;
        }

        // check for duplicate names in the parent context
        for (final Query otherQuery : map.getQueries()) {
            if (otherQuery == query) {
                continue;
            }

            if (name.equals(otherQuery.getName())) {
                addFailure(
                        validationResult,
                        query,
                        "Dulicate ProcedureQuery name: %s",
                        name);
                break;
            }
        }
    }
}