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 *  or more contributor license agreements.  See the NOTICE file
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 *  to you under the Apache License, Version 2.0 (the
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package org.apache.cayenne.project.validation;

import org.apache.cayenne.map.DataMap;
import org.apache.cayenne.map.QueryDescriptor;
import org.apache.cayenne.map.SQLTemplateDescriptor;
import org.apache.cayenne.util.Util;
import org.apache.cayenne.validation.ValidationResult;

import java.util.Map;

class SQLTemplateValidator extends BaseQueryValidator {

    void validate(SQLTemplateDescriptor query, ValidationResult validationResult) {
        validateName(query, validationResult);
        validateRoot(query, validationResult);
        validateDefaultSQL(query, validationResult);
        validateCacheGroup(query, validationResult);
    }

    void validateDefaultSQL(SQLTemplateDescriptor query, ValidationResult validationResult) {

        if (Util.isEmptyString(query.getSql())) {
            // see if there is at least one adapter-specific template...

            for (Map.Entry entry : query.getAdapterSql().entrySet()) {
                if (!Util.isEmptyString(entry.getValue())) {
                    return;
                }
            }

            addFailure(
                    validationResult,
                    query,
                    "SQLTemplate query '%s' has no default SQL template",
                    query.getName());
        }
    }

    void validateRoot(QueryDescriptor query, ValidationResult validationResult) {
        DataMap map = query.getDataMap();
        if (query.getRoot() == null && map != null) {
            addFailure(
                    validationResult,
                    query,
                    "SQLTemplate query '%s' has no root",
                    query.getName());
        }
    }
}