Class QueryWizardServiceUtils


  • public final class QueryWizardServiceUtils
    extends Object
    Services methods for query wizard
    • Constructor Detail

      • QueryWizardServiceUtils

        public QueryWizardServiceUtils()
    • Method Detail

      • getDbViewForQuery

        public static DbViewElement getDbViewForQuery​(org.eclipse.emf.ecore.EObject source)
        Get DbView for nested query
        Parameters:
        source - QuerySchemaNestedQuery
        Returns:
        DbViewDef for source. Return null if parent container of nested query expression is not operator
      • computeDbViewFields

        public static List<DbViewElement> computeDbViewFields​(org.eclipse.emf.ecore.EObject object)
        Compute dbView fields
        Parameters:
        object - - fields source
        Returns:
        fields collection
      • getAllSources

        public static Set<QuerySchemaSource> getAllSources​(QuerySchemaOperator operator)
        Returns all sources contained in operator
        Parameters:
        operator -
        Returns:
        all sources in operator
      • getJoinPresentation

        public static String getJoinPresentation​(QuerySchemaJoinType joinType)
        Get join type string presentation
        Parameters:
        joinType - join type
        Returns:
        string presentation
      • getConditionAndExpressions

        public static void getConditionAndExpressions​(AbstractExpression condition,
                                                      List<AbstractExpression> expressions)
        Break condition on expressions by AND operation
        Parameters:
        condition - contain expression with binary operations. Not null
        expressions - collection for storing expressions from condition (broke by AND operation). Not null
      • expandJoinsToChangedItems

        public static void expandJoinsToChangedItems​(QueryWizardTreeViewer tree,
                                                     List<QuerySchemaSource> changedSources)
        Expand joins tree to changed items
        Parameters:
        tree - tree viewer
        changedSources - list of changed sources
      • handleQueryWizardEditException

        public static void handleQueryWizardEditException​(QueryWizardEditProviderException qwException,
                                                          QueryWizardControl qwControl)
        Processing query wizard exception
        Parameters:
        qwException - query wizard exception
        qwControl - parent query wizard control
      • isNestedTableInOperator

        public static boolean isNestedTableInOperator​(QueryWizardSource source,
                                                      int queryIndex,
                                                      int operatorIndex)
        If operator have nested table - return true
        Parameters:
        querySchema - QueryWizardSource
        queryIndex - query index
        operatorIndex - operator index in query
        Returns:
        true if is nested table in operator
      • isNestedTableInOperator

        public static boolean isNestedTableInOperator​(QuerySchemaOperator operator)
        If operator have nested table - return true
        Parameters:
        operator -
        Returns:
        true if is nested table in operator
      • isNestedTableInGroupings

        public static boolean isNestedTableInGroupings​(QuerySchemaOperator operator)
        If groupings have nested table - return true
        Parameters:
        operator -
        Returns:
        true if is nested table in groupings
      • isExpressionsInGroupings

        public static boolean isExpressionsInGroupings​(QuerySchemaOperator operator)
        If groupings have expressions - return true
        Parameters:
        operator -
        Returns:
        true if is expression in groupings
      • getSourceFromJoin

        public static QuerySchemaSource getSourceFromJoin​(Object source)
        Get source from join
        Parameters:
        source - QuerySchemaSource
        Returns:
        query schema source
      • copyExpression

        public static QuerySchemaExpression copyExpression​(QuerySchemaExpression expression,
                                                           NestedTableExpression parentNestedTable)
        Make copy of query schema expression. If expression from nested table, expression will be copied with parent nested table.
        Parameters:
        expression - query schema expression
        parentNestedTable - parent nested table
        Returns:
        expression copy
      • isExpressionContainSource

        public static boolean isExpressionContainSource​(String sourceAlias,
                                                        org.eclipse.emf.ecore.EObject expression)
        Is expression contain source alias
        Parameters:
        sourceAlias - source alias
        expression - query schema expression
        Returns:
        if contained - return true
      • replaceSourceAliasInExpression

        public static boolean replaceSourceAliasInExpression​(String[] oldAndNewAliases,
                                                             org.eclipse.emf.ecore.EObject expression)
        Replace source alias in expression
        Parameters:
        oldAndNewAliases - strings array with old and new aliases
        expression - query schema expression
        Returns:
        true if source alias was found
      • replaceSourceAliasInExpression

        public static boolean replaceSourceAliasInExpression​(String sourceAlias,
                                                             String newSourceAlias,
                                                             org.eclipse.emf.ecore.EObject expression)
        Replace source alias in expression
        Parameters:
        sourceAlias - source alias
        newSourceAlias - new source alias. If null, alias will not be replaced.
        expression - query schema expression
        Returns:
        true if source alias was found
      • getAggregateFromExpressions

        public static FunctionInvocationExpression getAggregateFromExpressions​(org.eclipse.emf.common.util.EList<QuerySchemaExpression> fields)
        Is collection of expressions contain aggregate field
        Parameters:
        fields - fields list
        Returns:
        first found aggregate, if contained or null otherwise
      • getTempTablesNames

        public static Set<String> getTempTablesNames​(QueryWizardSource source)
        Get temporary tables names used in query
        Parameters:
        source - query wizard source
        Returns:
        temporary tables names
      • getTempTablesNames

        public static List<String> getTempTablesNames​(QueryWizardSource source,
                                                      int endQueryIndex)
        Get temporary tables names available for query by index
        Parameters:
        source - - query wizard source
        endQueryIndex - - query index
        Returns:
        available temporary tables names
      • getTempTables

        public static Map<String,​QuerySchemaSelectQuery> getTempTables​(QueryWizardSource source)
        Get temporary tables available for current query
        Parameters:
        source - - query wizard source
        Returns:
        available temporary tables
      • getTempTables

        public static Map<String,​QuerySchemaSelectQuery> getTempTables​(QueryWizardSource source,
                                                                             int queryIndex)
        Get temporary tables available for query by index
        Parameters:
        source - - query wizard source
        queryIndex - - query index
        Returns:
        available temporary tables
      • getContainedAggregate

        public static FunctionInvocationExpression getContainedAggregate​(AbstractExpression field)
        Get aggregate from expression
        Parameters:
        field - abstract expression
        Returns:
        aggregate, if contained or null otherwise
      • getTreeItemText

        public static String getTreeItemText​(org.eclipse.swt.widgets.TreeItem item)
        Get tree item text, use '.' as separator for fields, and '[]' for nested table part.
        Parameters:
        item - tree item
        Returns:
        text for tree item
      • isTempTableDescription

        public static boolean isTempTableDescription​(QuerySchemaSource source,
                                                     QueryWizardSource qwSource)
        Is source temporary table description
        Parameters:
        source - - query schema source
        Returns:
        true if temporary table description
      • getTempTableDbView

        public static DbViewFromQuery getTempTableDbView​(QuerySchemaSource source)
        Is source temporary table
        Parameters:
        source - - query schema source
        Returns:
        true if source is temporary table
      • getLoacalName

        public static String getLoacalName​(Object element,
                                           ScriptVariant scriptVariant)
        Get object name, depending of script variant
        Parameters:
        element - - object for getting name
        scriptVariant - - configuration script variant
        Returns:
        object name
      • isContainOrder

        public static boolean isContainOrder​(QueryWizardSource source,
                                             String value)
        Is order contain given expression
        Parameters:
        source - query wizard source
        value - expression or alias
        Returns:
        true if contain
      • isContainIndex

        public static boolean isContainIndex​(QueryWizardSource source,
                                             String value)
        Is index contain given expression
        Parameters:
        source - query wizard source
        value - expression or alias
        Returns:
        true if contain
      • isContainTotal

        public static boolean isContainTotal​(QueryWizardSource source,
                                             String value)
        Returns whether totals contain given expression
        Parameters:
        source - query wizard source
        value - expression or alias
        Returns:
        true if contain
      • isNumberExpression

        public static boolean isNumberExpression​(QueryWizardSource source,
                                                 QuerySchemaExpression expression)
        Returns whether expression have number type
        Parameters:
        source - - query wizard source
        expression - - expression
        Returns:
        is number type
      • getTempTableName

        public static String getTempTableName​(QuerySchemaSource tempTable)
        Get temporary table description name
        Parameters:
        tempTable - - temporary table source
        Returns:
        table name
      • getPlacementTable

        public static AbstractQuerySchemaTable getPlacementTable​(QueryWizardSource source)
        Get table for placement from query
        Parameters:
        source - - query wizard control
        Returns:
        if query have table for placement - return table, otherwise null
      • validateResource

        public static String validateResource​(org.eclipse.emf.ecore.resource.Resource resource,
                                              org.eclipse.xtext.validation.IResourceValidator resourceValidator)
        Checking query schema on errors
        Parameters:
        resource - - checking resource
        resourceValidator - - resource validator
        Returns:
        null if no errors or errors text description
      • validateResource

        public static String validateResource​(org.eclipse.emf.ecore.resource.Resource resource,
                                              org.eclipse.xtext.validation.IResourceValidator resourceValidator,
                                              boolean onlyCritical)
        Checking query schema on errors
        Parameters:
        resource - - checking resource
        resourceValidator - - resource validator
        onlyCritical - - check only critical errors
        Returns:
        null if no errors or errors text description
      • addErrorMessage

        public static void addErrorMessage​(StringBuilder errorMessage,
                                           String message,
                                           int lineNumber,
                                           int columnNumber)
        Append issue description to errors message
        Parameters:
        errorMessage - - errors messages list
        message - - new error message
        lineNumber - - line number with error
        columnNumber - - column number with error
      • computeDbViewForTempTable

        public static DbViewElement computeDbViewForTempTable​(DbViewElement element,
                                                              QueryWizardSource source)
        Compute DbView for temporary table. My be it from parent query (for nested query)
        Parameters:
        element - - temporary table dbview
        Returns:
        real dbview
      • getEmptyQuery

        public static String getEmptyQuery​(ScriptVariant scriptVariant)
        Get empty query text
        Parameters:
        script - variant
        Returns:
        query text
      • getScriptVariant

        public static ScriptVariant getScriptVariant​(org.eclipse.emf.ecore.EObject object)
        Get current script variant (English or Russian)
        Returns:
        script variant
      • getV8project

        public static IV8Project getV8project​(org.eclipse.emf.ecore.EObject object)
        Get the V8 project by specified object.
        Returns:
        v8project the V8 project, never null
      • getAllNestedTables

        public static List<QuerySchemaExpression> getAllNestedTables​(org.eclipse.emf.common.util.EList<QuerySchemaExpression> fields)
        Get all nested tables
        Parameters:
        fields - - fields collection
        Returns:
        nested tables collection
      • setCanMove

        public static void setCanMove​(TreeViewer tree,
                                      org.eclipse.jface.action.Action moveUpAction,
                                      org.eclipse.jface.action.Action moveDownAction)
        Set enabled state for actions move up or move down
        Parameters:
        tree - - tree viewer
        moveUpAction - - move up action
        moveDownAction - - move down action
      • normalizeString

        public static String normalizeString​(String text)
        Remove from text special characters and extra spaces
        Parameters:
        text - - text
        Returns:
        normalized text
      • getExpressionAlias

        public static String getExpressionAlias​(QueryWizardSource source,
                                                QuerySchemaExpression expression)
        Get alias for expression
        Parameters:
        source - - query wizard source
        expression - - expression from select fields
        Returns:
        expression alias
      • getAliasImage

        public static org.eclipse.swt.graphics.Image getAliasImage​(QueryWizardSource source,
                                                                   Object element)
        Get image for alias
        Parameters:
        source - query wizard source
        element - expression
        Returns:
        image. Return null if image not found.
      • getDbViewFieldFields

        public static List<DbViewFieldDef> getDbViewFieldFields​(DbViewFieldDef sourceItem,
                                                                QueryWizardSource queryWizardSource)
        Get children fields in field
        Parameters:
        sourceItem - - parent field
        queryWizardSource - - query wizard source
        Returns:
        children fields
      • getExpressionText

        public static String getExpressionText​(Object element,
                                               QueryWizardSource source)
        Get text for expression
        Parameters:
        element - - expression
        source - - query wizard source return text
      • getExpressionText

        public static String getExpressionText​(Object element,
                                               QueryWizardSource source,
                                               boolean removeLinesSeparators)
        Get text for expression
        Parameters:
        element - - expression
        source - - query wizard source
        removeLinesSeparators - - remove lines separators return text
      • getTypeAsString

        public static String getTypeAsString​(TypeDescription type,
                                             QueryWizardSource source)
        Get TypeDescription as string
        Parameters:
        type - - TypeDescription
        source - - query wizard source
        Returns:
        string presentation
      • getQuerySchemaSourceFields

        public static List<? extends DbViewElement> getQuerySchemaSourceFields​(Object sourceItem,
                                                                               QueryWizardSource queryWizardsource)
        Get fields for source or field from source
        Parameters:
        sourceItem - - source or field
        queryWizardsource - - query wizard source
        Returns:
        array of fields
      • getDcsFieldText

        public static String getDcsFieldText​(Object element,
                                             QueryWizardSource source)
        Get dcs field text
        Parameters:
        element - - dcs expression
        source - - query wizard source
        Returns:
        expression text
      • getTypeAsString

        public static String getTypeAsString​(TypeDescription type,
                                             QueryWizardSource source,
                                             ScriptVariant scriptVariant)
        Get TypeDescription as string
        Parameters:
        type - - TypeDescription
        source - - query wizard source
        scriptVariant - - script variant
        Returns:
        string presentation
      • validateAlias

        public static boolean validateAlias​(QueryWizardControl queryWizard,
                                            String newAlias,
                                            List<String> existAliases)
        Check is valid alias for expression. Will show message dialog if not valid.
        Parameters:
        queryWizard - - query wizard dialog
        newAlias - - new alias
        existAliases - - exist aliases
        Returns:
        true if valid alias
      • getPresentationForRefExpression

        public static QuerySchemaExpression getPresentationForRefExpression​(QueryWizardSource source,
                                                                            QuerySchemaExpression field)
        Get presentation for ref expression
        Parameters:
        source - - query wizard source
        field - - expression
        Returns:
        expression presentation or null if field not ref
      • isPresentationExpression

        public static boolean isPresentationExpression​(AbstractExpression expression)
        Is expression contain PRESENTATION function
        Parameters:
        expression - - expression
        Returns:
        true if expression contain PRESENTATION function
      • isPresentationAlias

        public static boolean isPresentationAlias​(QuerySchemaExpression expression,
                                                  QueryWizardSource source)
        Is expressions from alias contain PRESENTATION function
        Parameters:
        expression - - expression from alias
        source - - query wizard source
        Returns:
        true if alias contain presentation function
      • isQueriesEquals

        public static boolean isQueriesEquals​(String query1,
                                              String query2)
        Is queries text equals
        Parameters:
        query1 - - query text
        query2 - - query text
        Returns:
        true if equals otherwise false
      • prepareQueryForTextModule

        public static String prepareQueryForTextModule​(String query,
                                                       String lineFormatter)
        Prepare query text for text module
        Parameters:
        query - - query text
        lineFormatter - - line formatter
        Returns:
        formatted query text for text module
      • createMessageDialog

        public static org.eclipse.jface.dialogs.MessageDialog createMessageDialog​(org.eclipse.swt.widgets.Shell shell,
                                                                                  String errorMessage,
                                                                                  boolean askQuestion)
        Creates message dialog with text of errors and warnings from Query. Dialog will have one "OK" button if askQuestion is false or two buttons Yes and No if askQuestion is true. Also if askQuestion is true dialog will be Question dialog, otherwise Warning
        Parameters:
        shell - active Shell, cannot be null
        errorMessage - string contains all messages of errors and warnings, cannot be null
        Returns:
        created message dialog with text of errors and warnings from Query, never null
      • createMessageDialog

        public static org.eclipse.jface.dialogs.MessageDialog createMessageDialog​(org.eclipse.swt.widgets.Shell shell,
                                                                                  String errorMessage)
        Creates warning message dialog with text of errors and warnings from Query. Dialog will have one "OK" button.
        Parameters:
        shell - active Shell, cannot be null
        errorMessage - string contains all messages of errors and warnings, cannot be null
        Returns:
        created message dialog with text of errors and warnings from Query, never null