/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.query.sql.navigator;
import java.util.Collection;
import org.teiid.designer.annotation.Removed;
import org.teiid.designer.annotation.Since;
import org.teiid.designer.runtime.version.spi.TeiidServerVersion.Version;
import org.teiid.query.parser.LanguageVisitor;
import org.teiid.query.sql.lang.AlterProcedure;
import org.teiid.query.sql.lang.AlterTrigger;
import org.teiid.query.sql.lang.AlterView;
import org.teiid.query.sql.lang.ArrayTable;
import org.teiid.query.sql.lang.BetweenCriteria;
import org.teiid.query.sql.lang.CompareCriteria;
import org.teiid.query.sql.lang.CompoundCriteria;
import org.teiid.query.sql.lang.Create;
import org.teiid.query.sql.lang.CriteriaSelector;
import org.teiid.query.sql.lang.Delete;
import org.teiid.query.sql.lang.Drop;
import org.teiid.query.sql.lang.DynamicCommand;
import org.teiid.query.sql.lang.ExistsCriteria;
import org.teiid.query.sql.lang.ExpressionCriteria;
import org.teiid.query.sql.lang.From;
import org.teiid.query.sql.lang.GroupBy;
import org.teiid.query.sql.lang.HasCriteria;
import org.teiid.query.sql.lang.Insert;
import org.teiid.query.sql.lang.Into;
import org.teiid.query.sql.lang.IsDistinctCriteria;
import org.teiid.query.sql.lang.IsNullCriteria;
import org.teiid.query.sql.lang.JoinPredicate;
import org.teiid.query.sql.lang.JoinType;
import org.teiid.query.sql.lang.LanguageObject;
import org.teiid.query.sql.lang.Limit;
import org.teiid.query.sql.lang.MatchCriteria;
import org.teiid.query.sql.lang.NotCriteria;
import org.teiid.query.sql.lang.ObjectColumn;
import org.teiid.query.sql.lang.ObjectTable;
import org.teiid.query.sql.lang.Option;
import org.teiid.query.sql.lang.OrderBy;
import org.teiid.query.sql.lang.OrderByItem;
import org.teiid.query.sql.lang.Query;
import org.teiid.query.sql.lang.SPParameter;
import org.teiid.query.sql.lang.Select;
import org.teiid.query.sql.lang.SetClause;
import org.teiid.query.sql.lang.SetClauseList;
import org.teiid.query.sql.lang.SetCriteria;
import org.teiid.query.sql.lang.SetQuery;
import org.teiid.query.sql.lang.StoredProcedure;
import org.teiid.query.sql.lang.SubqueryCompareCriteria;
import org.teiid.query.sql.lang.SubqueryFromClause;
import org.teiid.query.sql.lang.SubquerySetCriteria;
import org.teiid.query.sql.lang.TextTable;
import org.teiid.query.sql.lang.TranslateCriteria;
import org.teiid.query.sql.lang.UnaryFromClause;
import org.teiid.query.sql.lang.Update;
import org.teiid.query.sql.lang.WithQueryCommand;
import org.teiid.query.sql.lang.XMLColumn;
import org.teiid.query.sql.lang.XMLTable;
import org.teiid.query.sql.proc.AssignmentStatement;
import org.teiid.query.sql.proc.Block;
import org.teiid.query.sql.proc.BranchingStatement;
import org.teiid.query.sql.proc.CommandStatement;
import org.teiid.query.sql.proc.CreateProcedureCommand;
import org.teiid.query.sql.proc.CreateUpdateProcedureCommand;
import org.teiid.query.sql.proc.DeclareStatement;
import org.teiid.query.sql.proc.ExceptionExpression;
import org.teiid.query.sql.proc.IfStatement;
import org.teiid.query.sql.proc.LoopStatement;
import org.teiid.query.sql.proc.RaiseErrorStatement;
import org.teiid.query.sql.proc.RaiseStatement;
import org.teiid.query.sql.proc.ReturnStatement;
import org.teiid.query.sql.proc.TriggerAction;
import org.teiid.query.sql.proc.WhileStatement;
import org.teiid.query.sql.symbol.AggregateSymbol;
import org.teiid.query.sql.symbol.AliasSymbol;
import org.teiid.query.sql.symbol.Array;
import org.teiid.query.sql.symbol.CaseExpression;
import org.teiid.query.sql.symbol.Constant;
import org.teiid.query.sql.symbol.DerivedColumn;
import org.teiid.query.sql.symbol.ElementSymbol;
import org.teiid.query.sql.symbol.Expression;
import org.teiid.query.sql.symbol.ExpressionSymbol;
import org.teiid.query.sql.symbol.Function;
import org.teiid.query.sql.symbol.GroupSymbol;
import org.teiid.query.sql.symbol.JSONObject;
import org.teiid.query.sql.symbol.MultipleElementSymbol;
import org.teiid.query.sql.symbol.QueryString;
import org.teiid.query.sql.symbol.Reference;
import org.teiid.query.sql.symbol.ScalarSubquery;
import org.teiid.query.sql.symbol.SearchedCaseExpression;
import org.teiid.query.sql.symbol.TextLine;
import org.teiid.query.sql.symbol.WindowFunction;
import org.teiid.query.sql.symbol.WindowSpecification;
import org.teiid.query.sql.symbol.XMLAttributes;
import org.teiid.query.sql.symbol.XMLCast;
import org.teiid.query.sql.symbol.XMLElement;
import org.teiid.query.sql.symbol.XMLExists;
import org.teiid.query.sql.symbol.XMLForest;
import org.teiid.query.sql.symbol.XMLNamespaces;
import org.teiid.query.sql.symbol.XMLParse;
import org.teiid.query.sql.symbol.XMLQuery;
import org.teiid.query.sql.symbol.XMLSerialize;
/**
* @since 4.2
*/
public class PreOrPostOrderNavigator extends AbstractNavigator {
/**
* Pre order flag
*/
public static final boolean PRE_ORDER = true;
/**
* Post order flag
*/
public static final boolean POST_ORDER = false;
private boolean order;
private boolean deep;
@Since(Version.TEIID_8_11)
private boolean skipEvaluatable;
/**
* @param visitor
* @param order
* @param deep
*/
public PreOrPostOrderNavigator(LanguageVisitor visitor, boolean order, boolean deep) {
super(visitor);
this.order = order;
this.deep = deep;
}
protected void preVisitVisitor(LanguageObject obj) {
if (order == PRE_ORDER) {
visitVisitor(obj);
}
}
protected void postVisitVisitor(LanguageObject obj) {
if (order == POST_ORDER) {
visitVisitor(obj);
}
}
@Override
public void visit(AggregateSymbol obj) {
preVisitVisitor(obj);
if (getTeiidVersion().isLessThan(Version.TEIID_8_0))
visitNode(obj.getExpression());
else {
Expression[] args = obj.getArgs();
if (args != null) {
for (int i = 0; i < args.length; i++) {
visitNode(args[i]);
}
}
}
visitNode(obj.getOrderBy());
visitNode(obj.getCondition());
postVisitVisitor(obj);
}
@Override
public void visit(AliasSymbol obj) {
preVisitVisitor(obj);
visitNode(obj.getSymbol());
postVisitVisitor(obj);
}
@Override
public void visit(MultipleElementSymbol obj) {
preVisitVisitor(obj);
postVisitVisitor(obj);
}
@Override
public void visit(AssignmentStatement obj) {
preVisitVisitor(obj);
visitNode(obj.getVariable());
visitNode(obj.getExpression());
postVisitVisitor(obj);
}
@Override
public void visit(BetweenCriteria obj) {
preVisitVisitor(obj);
visitNode(obj.getExpression());
visitNode(obj.getLowerExpression());
visitNode(obj.getUpperExpression());
postVisitVisitor(obj);
}
@Override
public void visit(Block obj) {
preVisitVisitor(obj);
visitNodes(obj.getStatements());
visitNodes(obj.getExceptionStatements());
postVisitVisitor(obj);
}
@Override
public void visit(BranchingStatement obj) {
preVisitVisitor(obj);
postVisitVisitor(obj);
}
@Override
public void visit(CaseExpression obj) {
preVisitVisitor(obj);
visitNode(obj.getExpression());
for (int i = 0; i < obj.getWhenCount(); i++) {
visitNode(obj.getWhenExpression(i));
visitNode(obj.getThenExpression(i));
}
visitNode(obj.getElseExpression());
postVisitVisitor(obj);
}
@Override
public void visit(CommandStatement obj) {
preVisitVisitor(obj);
if (deep) {
visitNode(obj.getCommand());
}
postVisitVisitor(obj);
}
@Override
public void visit(CompareCriteria obj) {
preVisitVisitor(obj);
visitNode(obj.getLeftExpression());
visitNode(obj.getRightExpression());
postVisitVisitor(obj);
}
@Override
public void visit(CompoundCriteria obj) {
preVisitVisitor(obj);
visitNodes(obj.getCriteria());
postVisitVisitor(obj);
}
@Override
public void visit(Constant obj) {
preVisitVisitor(obj);
postVisitVisitor(obj);
}
@Override
@Removed(Version.TEIID_8_0)
public void visit(CreateUpdateProcedureCommand obj) {
preVisitVisitor(obj);
visitNode(obj.getBlock());
postVisitVisitor(obj);
}
@Override
public void visit(CreateProcedureCommand obj) {
preVisitVisitor(obj);
visitNode(obj.getBlock());
postVisitVisitor(obj);
}
@Override
@Removed(Version.TEIID_8_0)
public void visit(CriteriaSelector obj) {
preVisitVisitor(obj);
visitNodes(obj.getElements());
postVisitVisitor(obj);
}
@Override
public void visit(DeclareStatement obj) {
preVisitVisitor(obj);
visitNode(obj.getVariable());
visitNode(obj.getExpression());
postVisitVisitor(obj);
}
@Override
public void visit(Delete obj) {
preVisitVisitor(obj);
visitNode(obj.getGroup());
visitNode(obj.getCriteria());
visitNode(obj.getOption());
postVisitVisitor(obj);
}
@Override
public void visit(ElementSymbol obj) {
preVisitVisitor(obj);
postVisitVisitor(obj);
}
@Override
public void visit(ExistsCriteria obj) {
preVisitVisitor(obj);
boolean test = deep;
if (isTeiidVersionOrGreater(Version.TEIID_8_11))
test = deep && (!obj.shouldEvaluate() || !skipEvaluatable);
if (test) {
visitNode(obj.getCommand());
}
postVisitVisitor(obj);
}
@Override
public void visit(ExpressionSymbol obj) {
preVisitVisitor(obj);
visitNode(obj.getExpression());
postVisitVisitor(obj);
}
@Override
public void visit(From obj) {
preVisitVisitor(obj);
visitNodes(obj.getClauses());
postVisitVisitor(obj);
}
@Override
public void visit(Function obj) {
preVisitVisitor(obj);
Expression[] args = obj.getArgs();
if (args != null) {
for (int i = 0; i < args.length; i++) {
visitNode(args[i]);
}
}
postVisitVisitor(obj);
}
@Override
public void visit(GroupBy obj) {
preVisitVisitor(obj);
visitNodes(obj.getSymbols());
postVisitVisitor(obj);
}
@Override
public void visit(GroupSymbol obj) {
preVisitVisitor(obj);
postVisitVisitor(obj);
}
@Override
@Removed(Version.TEIID_8_0)
public void visit(HasCriteria obj) {
preVisitVisitor(obj);
visitNode(obj.getSelector());
postVisitVisitor(obj);
}
@Override
public void visit(IfStatement obj) {
preVisitVisitor(obj);
visitNode(obj.getCondition());
visitNode(obj.getIfBlock());
visitNode(obj.getElseBlock());
postVisitVisitor(obj);
}
@Override
public void visit(Insert obj) {
preVisitVisitor(obj);
visitNode(obj.getGroup());
visitNodes(obj.getVariables());
visitNodes(obj.getValues());
if (deep && obj.getQueryExpression() != null) {
visitNode(obj.getQueryExpression());
}
visitNode(obj.getOption());
postVisitVisitor(obj);
}
@Override
public void visit(Create obj) {
preVisitVisitor(obj);
visitNode(obj.getTable());
visitNodes(obj.getColumnSymbols());
visitNodes(obj.getPrimaryKey());
postVisitVisitor(obj);
}
@Override
public void visit(Drop obj) {
preVisitVisitor(obj);
visitNode(obj.getTable());
postVisitVisitor(obj);
}
@Override
public void visit(Into obj) {
preVisitVisitor(obj);
visitNode(obj.getGroup());
postVisitVisitor(obj);
}
@Override
public void visit(IsNullCriteria obj) {
preVisitVisitor(obj);
visitNode(obj.getExpression());
postVisitVisitor(obj);
}
@Override
public void visit(JoinPredicate obj) {
preVisitVisitor(obj);
visitNode(obj.getLeftClause());
visitNode(obj.getJoinType());
visitNode(obj.getRightClause());
visitNodes(obj.getJoinCriteria());
postVisitVisitor(obj);
}
@Override
public void visit(JoinType obj) {
preVisitVisitor(obj);
postVisitVisitor(obj);
}
@Override
public void visit(Limit obj) {
preVisitVisitor(obj);
visitNode(obj.getOffset());
visitNode(obj.getRowLimit());
postVisitVisitor(obj);
}
@Override
public void visit(LoopStatement obj) {
preVisitVisitor(obj);
if (deep) {
visitNode(obj.getCommand());
}
visitNode(obj.getBlock());
postVisitVisitor(obj);
}
@Override
public void visit(MatchCriteria obj) {
preVisitVisitor(obj);
visitNode(obj.getLeftExpression());
visitNode(obj.getRightExpression());
postVisitVisitor(obj);
}
@Override
public void visit(NotCriteria obj) {
preVisitVisitor(obj);
visitNode(obj.getCriteria());
postVisitVisitor(obj);
}
@Override
public void visit(Option obj) {
preVisitVisitor(obj);
postVisitVisitor(obj);
}
@Override
public void visit(OrderBy obj) {
preVisitVisitor(obj);
visitNodes(obj.getOrderByItems());
postVisitVisitor(obj);
}
@Override
public void visit(OrderByItem obj) {
preVisitVisitor(obj);
visitNode(obj.getSymbol());
postVisitVisitor(obj);
}
@Override
public void visit(Query obj) {
preVisitVisitor(obj);
visitNodes(obj.getWith());
visitNode(obj.getSelect());
visitNode(obj.getInto());
visitNode(obj.getFrom());
visitNode(obj.getCriteria());
visitNode(obj.getGroupBy());
visitNode(obj.getHaving());
visitNode(obj.getOrderBy());
visitNode(obj.getLimit());
visitNode(obj.getOption());
postVisitVisitor(obj);
}
@Override
public void visit(RaiseStatement obj) {
preVisitVisitor(obj);
visitNode(obj.getExpression());
postVisitVisitor(obj);
}
@Override
@Removed(Version.TEIID_8_0)
public void visit(RaiseErrorStatement obj) {
preVisitVisitor(obj);
visitNode(obj.getExpression());
postVisitVisitor(obj);
}
@Override
public void visit(Reference obj) {
preVisitVisitor(obj);
postVisitVisitor(obj);
}
@Override
public void visit(ScalarSubquery obj) {
preVisitVisitor(obj);
boolean test = deep;
if (isTeiidVersionOrGreater(Version.TEIID_8_11))
test = deep && (!obj.shouldEvaluate() || !skipEvaluatable);
if (test) {
visitNode(obj.getCommand());
}
postVisitVisitor(obj);
}
@Override
public void visit(SearchedCaseExpression obj) {
preVisitVisitor(obj);
for (int i = 0; i < obj.getWhenCount(); i++) {
visitNode(obj.getWhenCriteria(i));
visitNode(obj.getThenExpression(i));
}
visitNode(obj.getElseExpression());
postVisitVisitor(obj);
}
@Override
public void visit(Select obj) {
preVisitVisitor(obj);
visitNodes(obj.getSymbols());
postVisitVisitor(obj);
}
@Override
public void visit(SetCriteria obj) {
preVisitVisitor(obj);
visitNode(obj.getExpression());
visitNodes(obj.getValues());
postVisitVisitor(obj);
}
@Override
public void visit(SetQuery obj) {
preVisitVisitor(obj);
visitNodes(obj.getWith());
visitNodes(obj.getQueryCommands());
visitNode(obj.getOrderBy());
visitNode(obj.getLimit());
visitNode(obj.getOption());
postVisitVisitor(obj);
}
@Override
public void visit(StoredProcedure obj) {
preVisitVisitor(obj);
Collection<SPParameter> params = obj.getParameters();
if (params != null && !params.isEmpty()) {
for (SPParameter parameter : params) {
Expression expression = parameter.getExpression();
visitNode(expression);
}
}
visitNode(obj.getOption());
postVisitVisitor(obj);
}
@Override
public void visit(SubqueryCompareCriteria obj) {
preVisitVisitor(obj);
visitNode(obj.getLeftExpression());
if (deep) {
visitNode(obj.getCommand());
}
postVisitVisitor(obj);
}
@Override
public void visit(SubqueryFromClause obj) {
preVisitVisitor(obj);
if (deep) {
visitNode(obj.getCommand());
}
visitNode(obj.getGroupSymbol());
postVisitVisitor(obj);
}
@Override
public void visit(SubquerySetCriteria obj) {
preVisitVisitor(obj);
visitNode(obj.getExpression());
if (deep) {
visitNode(obj.getCommand());
}
postVisitVisitor(obj);
}
@Override
@Removed(Version.TEIID_8_0)
public void visit(TranslateCriteria obj) {
preVisitVisitor(obj);
visitNode(obj.getSelector());
visitNodes(obj.getTranslations());
postVisitVisitor(obj);
}
@Override
public void visit(UnaryFromClause obj) {
preVisitVisitor(obj);
visitNode(obj.getGroup());
postVisitVisitor(obj);
}
@Override
public void visit(Update obj) {
preVisitVisitor(obj);
visitNode(obj.getGroup());
visitNode(obj.getChangeList());
visitNode(obj.getCriteria());
visitNode(obj.getOption());
postVisitVisitor(obj);
}
@Override
public void visit(WhileStatement obj) {
preVisitVisitor(obj);
visitNode(obj.getCondition());
visitNode(obj.getBlock());
postVisitVisitor(obj);
}
/**
* NOTE: we specifically don't need to visit the as columns or the using identifiers.
* These will be resolved by the dynamic command resolver instead.
*
* @see LanguageVisitor#visit(org.teiid.query.sql.lang.DynamicCommand)
*/
@Override
public void visit(DynamicCommand obj) {
preVisitVisitor(obj);
visitNode(obj.getSql());
visitNode(obj.getIntoGroup());
if (obj.getUsing() != null) {
for (SetClause setClause : obj.getUsing().getClauses()) {
visitNode(setClause.getValue());
}
}
postVisitVisitor(obj);
}
@Override
public void visit(SetClauseList obj) {
preVisitVisitor(obj);
visitNodes(obj.getClauses());
postVisitVisitor(obj);
}
@Override
public void visit(SetClause obj) {
preVisitVisitor(obj);
visitNode(obj.getSymbol());
visitNode(obj.getValue());
postVisitVisitor(obj);
}
@Override
public void visit(TextLine obj) {
preVisitVisitor(obj);
visitNodes(obj.getExpressions());
postVisitVisitor(obj);
}
@Override
public void visit(XMLForest obj) {
preVisitVisitor(obj);
visitNode(obj.getNamespaces());
visitNodes(obj.getArgs());
postVisitVisitor(obj);
}
@Override
@Since(Version.TEIID_8_0)
public void visit(JSONObject obj) {
preVisitVisitor(obj);
visitNodes(obj.getArgs());
postVisitVisitor(obj);
}
@Override
public void visit(XMLAttributes obj) {
preVisitVisitor(obj);
visitNodes(obj.getArgs());
postVisitVisitor(obj);
}
@Override
public void visit(XMLElement obj) {
preVisitVisitor(obj);
visitNode(obj.getNamespaces());
visitNode(obj.getAttributes());
visitNodes(obj.getContent());
postVisitVisitor(obj);
}
@Override
public void visit(XMLNamespaces obj) {
preVisitVisitor(obj);
postVisitVisitor(obj);
}
@Override
public void visit(TextTable obj) {
preVisitVisitor(obj);
visitNode(obj.getFile());
visitNode(obj.getGroupSymbol());
postVisitVisitor(obj);
}
@Override
public void visit(XMLTable obj) {
preVisitVisitor(obj);
visitNode(obj.getNamespaces());
visitNodes(obj.getPassing());
for (XMLColumn column : obj.getColumns()) {
visitNode(column.getDefaultExpression());
}
visitNode(obj.getGroupSymbol());
postVisitVisitor(obj);
}
@Override
@Since(Version.TEIID_8_0)
public void visit(ObjectTable obj) {
preVisitVisitor(obj);
visitNodes(obj.getPassing());
for (ObjectColumn column : obj.getColumns()) {
visitNode(column.getDefaultExpression());
}
visitNode(obj.getGroupSymbol());
postVisitVisitor(obj);
}
@Override
public void visit(XMLQuery obj) {
preVisitVisitor(obj);
visitNode(obj.getNamespaces());
visitNodes(obj.getPassing());
postVisitVisitor(obj);
}
@Since(Version.TEIID_8_10)
@Override
public void visit(XMLExists obj) {
preVisitVisitor(obj);
visitNode(obj.getXmlQuery().getNamespaces());
visitNodes(obj.getXmlQuery().getPassing());
postVisitVisitor(obj);
}
@Since(Version.TEIID_8_10)
@Override
public void visit(XMLCast obj) {
preVisitVisitor(obj);
visitNode(obj.getExpression());
postVisitVisitor(obj);
}
@Override
public void visit(DerivedColumn obj) {
preVisitVisitor(obj);
visitNode(obj.getExpression());
postVisitVisitor(obj);
}
@Override
public void visit(XMLSerialize obj) {
preVisitVisitor(obj);
visitNode(obj.getExpression());
postVisitVisitor(obj);
}
@Override
public void visit(QueryString obj) {
preVisitVisitor(obj);
visitNode(obj.getPath());
visitNodes(obj.getArgs());
postVisitVisitor(obj);
}
@Override
public void visit(XMLParse obj) {
preVisitVisitor(obj);
visitNode(obj.getExpression());
postVisitVisitor(obj);
}
@Override
public void visit(ExpressionCriteria obj) {
preVisitVisitor(obj);
visitNode(obj.getExpression());
postVisitVisitor(obj);
}
@Override
public void visit(WithQueryCommand obj) {
preVisitVisitor(obj);
visitNodes(obj.getColumns());
if (deep) {
visitNode(obj.getCommand());
}
postVisitVisitor(obj);
}
@Override
public void visit(TriggerAction obj) {
preVisitVisitor(obj);
visitNode(obj.getBlock());
postVisitVisitor(obj);
}
@Override
public void visit(ArrayTable obj) {
preVisitVisitor(obj);
visitNode(obj.getArrayValue());
visitNode(obj.getGroupSymbol());
postVisitVisitor(obj);
}
@Override
public void visit(AlterProcedure obj) {
preVisitVisitor(obj);
visitNode(obj.getTarget());
if (deep) {
visitNode(obj.getDefinition());
}
postVisitVisitor(obj);
}
@Override
public void visit(AlterTrigger obj) {
preVisitVisitor(obj);
visitNode(obj.getTarget());
if (deep) {
visitNode(obj.getDefinition());
}
postVisitVisitor(obj);
}
@Override
public void visit(AlterView obj) {
preVisitVisitor(obj);
visitNode(obj.getTarget());
if (deep) {
visitNode(obj.getDefinition());
}
postVisitVisitor(obj);
}
@Override
public void visit(WindowFunction obj) {
preVisitVisitor(obj);
visitNode(obj.getFunction());
visitNode(obj.getWindowSpecification());
postVisitVisitor(obj);
}
@Override
public void visit(WindowSpecification obj) {
preVisitVisitor(obj);
visitNodes(obj.getPartition());
visitNode(obj.getOrderBy());
postVisitVisitor(obj);
}
@Override
@Since(Version.TEIID_8_0)
public void visit(Array array) {
preVisitVisitor(array);
visitNodes(array.getExpressions());
postVisitVisitor(array);
}
@Override
@Since(Version.TEIID_8_0)
public void visit(ExceptionExpression exceptionExpression) {
preVisitVisitor(exceptionExpression);
visitNode(exceptionExpression.getMessage());
visitNode(exceptionExpression.getSqlState());
visitNode(exceptionExpression.getErrorCode());
visitNode(exceptionExpression.getParent());
postVisitVisitor(exceptionExpression);
}
@Override
@Since(Version.TEIID_8_0)
public void visit(ReturnStatement obj) {
preVisitVisitor(obj);
visitNode(obj.getExpression());
postVisitVisitor(obj);
}
@Override
@Since(Version.TEIID_8_12_4)
public void visit(IsDistinctCriteria obj) {
preVisitVisitor(obj);
//don't visit as that will fail the validation that scalar/row value groupsymbols can't be referenced
//visitNode(obj.getLeftRowValue());
//visitNode(obj.getRightRowValue());
postVisitVisitor(obj);
}
/**
* @param object
* @param visitor
* @param order
*/
public static void doVisit(LanguageObject object, LanguageVisitor visitor, boolean order) {
doVisit(object, visitor, order, false);
}
/**
* @param object
* @param visitor
* @param order
* @param deep
*/
public static void doVisit(LanguageObject object, LanguageVisitor visitor, boolean order, boolean deep) {
PreOrPostOrderNavigator nav = new PreOrPostOrderNavigator(visitor, order, deep);
object.acceptVisitor(nav);
}
public void setSkipEvaluatable(boolean skipEvaluatable) {
this.skipEvaluatable = skipEvaluatable;
}
}