protected override Expression VisitChildren(ExpressionTreeVisitor visitor)
{
var newField = (LuceneQueryFieldExpression)visitor.VisitExpression(QueryField);
var newPattern = visitor.VisitExpression(QueryPattern);
return (newPattern == QueryPattern && newField == QueryField) ? this : new LuceneQueryPredicateExpression(newField, newPattern, Occur) { AllowSpecialCharacters = AllowSpecialCharacters };
}
public BinaryExpressionTextGenerator (ISqlCommandBuilder commandBuilder, ExpressionTreeVisitor expressionVisitor)
{
ArgumentUtility.CheckNotNull ("commandBuilder", commandBuilder);
ArgumentUtility.CheckNotNull ("expressionVisitor", expressionVisitor);
_commandBuilder = commandBuilder;
_expressionVisitor = expressionVisitor;
_simpleOperatorRegistry = new Dictionary<ExpressionType, string>
{
{ ExpressionType.Add, "+" },
{ ExpressionType.AddChecked, "+" },
{ ExpressionType.And, "&" },
{ ExpressionType.AndAlso, "AND" },
{ ExpressionType.Divide, "/" },
{ ExpressionType.ExclusiveOr, "^" },
{ ExpressionType.GreaterThan, ">" },
{ ExpressionType.GreaterThanOrEqual, ">=" },
{ ExpressionType.LessThan, "<" },
{ ExpressionType.LessThanOrEqual, "<=" },
{ ExpressionType.Modulo, "%" },
{ ExpressionType.Multiply, "*" },
{ ExpressionType.MultiplyChecked, "*" },
{ ExpressionType.Or, "|" },
{ ExpressionType.OrElse, "OR" },
{ ExpressionType.Subtract, "-" },
{ ExpressionType.SubtractChecked, "-" },
{ ExpressionType.Equal, "=" },
{ ExpressionType.NotEqual, "<>" }
};
}
public CaseWhenPair VisitChildren (ExpressionTreeVisitor visitor)
{
var newWhen = visitor.VisitExpression (_when);
var newThen = visitor.VisitExpression (_then);
return Update (newWhen, newThen);
}
protected override Expression VisitChildren (ExpressionTreeVisitor visitor)
{
var newExpression = visitor.VisitExpression (_expression);
if (newExpression != _expression)
return new SqlExistsExpression (newExpression);
else
return this;
}
protected override Expression VisitChildren(ExpressionTreeVisitor visitor)
{
var newExpression = visitor.VisitExpression(Expression);
return newExpression != Expression
? CreateNew(newExpression)
: this;
}
protected override Expression VisitChildren(ExpressionTreeVisitor visitor)
{
var newExpression = visitor.VisitExpression(_operand);
return newExpression != _operand
? new NotNullableExpression(newExpression)
: this;
}
protected override Expression VisitChildren(ExpressionTreeVisitor visitor)
{
var arguments = visitor.VisitAndConvert(Arguments, "VisitNhNew");
return arguments != Arguments
? new NhNewExpression(Members, arguments)
: this;
}
protected override Expression VisitChildren (ExpressionTreeVisitor visitor)
{
var newPrimaryKeyExpression = visitor.VisitExpression (_identityExpression);
if (newPrimaryKeyExpression != _identityExpression)
return new SqlEntityConstantExpression (Type, _value, newPrimaryKeyExpression);
else
return this;
}
protected override Expression VisitChildren(ExpressionTreeVisitor visitor)
{
var newPattern = visitor.VisitExpression(pattern);
if (Equals(pattern, newPattern)) return this;
return new AllowSpecialCharactersExpression(newPattern);
}
protected override Expression VisitChildren (ExpressionTreeVisitor visitor)
{
var newExpressions = visitor.VisitAndConvert(_expressions, "VisitChildren");
if (newExpressions != Expressions)
return new SqlCompositeCustomTextGeneratorExpression (Type, newExpressions.ToArray());
else
return this;
}
public override void Generate (ISqlCommandBuilder commandBuilder, ExpressionTreeVisitor textGeneratingExpressionVisitor, ISqlGenerationStage stage)
{
ArgumentUtility.CheckNotNull ("commandBuilder", commandBuilder);
ArgumentUtility.CheckNotNull ("textGeneratingExpressionVisitor", textGeneratingExpressionVisitor);
ArgumentUtility.CheckNotNull ("stage", stage);
textGeneratingExpressionVisitor.VisitList (_expressions, textGeneratingExpressionVisitor.VisitExpression);
}
protected override Expression VisitChildren (ExpressionTreeVisitor visitor)
{
var newColumns = visitor.VisitAndConvert (Columns, "VisitChildren");
if (newColumns != Columns)
return new SqlEntityDefinitionExpression (Type, TableAlias, null, IdentityExpressionGenerator, newColumns.ToArray ());
else
return this;
}
protected override Expression VisitChildren (ExpressionTreeVisitor visitor)
{
var newChild = visitor.VisitExpression (Child);
if (newChild != Child)
return new CustomCompositeExpression (Type, newChild);
else
return this;
}
public override void Generate (ISqlCommandBuilder commandBuilder, ExpressionTreeVisitor textGeneratingExpressionVisitor, ISqlGenerationStage stage)
{
ArgumentUtility.CheckNotNull ("commandBuilder", commandBuilder);
ArgumentUtility.CheckNotNull ("textGeneratingExpressionVisitor", textGeneratingExpressionVisitor);
ArgumentUtility.CheckNotNull ("stage", stage);
commandBuilder.Append (_sqlText);
}
protected override Expression VisitChildren(ExpressionTreeVisitor visitor)
{
var newExpression = visitor.VisitExpression(Expression);
return newExpression != Expression
? new NhNominatedExpression(newExpression)
: this;
}
public override Expression Accept (ExpressionTreeVisitor visitor)
{
var specificVisitor = visitor as ISqlCustomTextGeneratorExpressionVisitor;
if (specificVisitor != null)
return specificVisitor.VisitSqlCustomTextGeneratorExpression (this);
else
return base.Accept (visitor);
}
public override Expression Accept (ExpressionTreeVisitor visitor)
{
var specificVisitor = visitor as ISqlNullCheckExpressionVisitor;
if (specificVisitor != null)
return specificVisitor.VisitSqlIsNotNullExpression (this);
else
return base.Accept (visitor);
}
protected override Expression VisitChildren(ExpressionTreeVisitor visitor)
{
var newExpression = visitor.VisitExpression(BinaryExpression);
if (ReferenceEquals(BinaryExpression, newExpression)) return this;
return new BoostBinaryExpression((BinaryExpression) newExpression, Boost);
}
public override Expression Accept (ExpressionTreeVisitor visitor)
{
var specificVisitor = visitor as ISpecificVisitor;
if (specificVisitor != null)
return specificVisitor.VisitTestableExtensionExpression (this);
else
return base.Accept (visitor);
}
public override Expression Accept (ExpressionTreeVisitor visitor)
{
var specificVisitor = visitor as ISqlSpecificExpressionVisitor;
if (specificVisitor != null)
return specificVisitor.VisitSqlFunctionExpression (this);
else
return base.Accept (visitor);
}
protected override Expression VisitChildren(ExpressionTreeVisitor visitor)
{
var newPredicate = visitor.VisitExpression(_predicate);
return _predicate != newPredicate
? new DiscriminatorPredicateExpression(newPredicate, QuerySource)
: this;
}
public override Expression Accept (ExpressionTreeVisitor visitor)
{
var specificVisitor = visitor as IResolvedSqlExpressionVisitor;
if(specificVisitor!=null)
return specificVisitor.VisitSqlColumnExpression (this);
else
return base.Accept (visitor);
}
protected override Expression VisitChildren (ExpressionTreeVisitor visitor)
{
var newExpression = visitor.VisitExpression (_expression);
if (newExpression != _expression)
return new SqlConvertedBooleanExpression (newExpression);
return this;
}
protected override Expression VisitChildren (ExpressionTreeVisitor visitor)
{
var result = visitor.VisitExpression (_expression);
if (result != _expression)
return new TestExtensionExpression (result);
return this;
}
protected override Expression VisitChildren (ExpressionTreeVisitor visitor)
{
var newArgs = visitor.VisitAndConvert (_args, "SqlFunctionExpression.VisitChildren");
if (_args != newArgs)
return new SqlFunctionExpression (Type, _sqlFunctioName, newArgs.ToArray());
else
return this;
}
protected override Expression VisitChildren(ExpressionTreeVisitor visitor)
{
var newField = (LuceneQueryFieldExpression)visitor.VisitExpression(field);
var newLower = visitor.VisitExpression(lower);
var newUpper = visitor.VisitExpression(upper);
return (newField == field && newLower == lower && newUpper == upper) ? this :
new LuceneRangeQueryExpression(newField, newLower, lowerQueryType, newUpper, upperQueryType, occur);
}
protected override Expression VisitChildren(ExpressionTreeVisitor visitor)
{
var newMatchExpression = visitor.VisitExpression(_match);
var newPatternExpression = visitor.VisitExpression(_pattern);
return newMatchExpression != _match
|| newPatternExpression != _pattern
? new LikeExpression(newMatchExpression, newPatternExpression)
: this;
}
protected internal override Expression VisitChildren (ExpressionTreeVisitor visitor)
{
ArgumentUtility.CheckNotNull ("visitor", visitor);
var newEvaluatedExpression = visitor.VisitExpression (_evaluatedExpression);
if (newEvaluatedExpression != _evaluatedExpression)
return new PartialEvaluationExceptionExpression (_exception, newEvaluatedExpression);
else
return this;
}
public override Expression Accept (ExpressionTreeVisitor visitor)
{
ArgumentUtility.CheckNotNull ("visitor", visitor);
var specificVisitor = visitor as ISqlSubStatementVisitor;
if (specificVisitor != null)
return specificVisitor.VisitSqlSubStatementExpression (this);
else
return base.Accept (visitor);
}
protected internal override Expression VisitChildren (ExpressionTreeVisitor visitor)
{
ArgumentUtility.CheckNotNull ("visitor", visitor);
var newExpression = visitor.VisitExpression (_comparison);
if (newExpression != _comparison)
return new VBStringComparisonExpression (newExpression, _textCompare);
else
return this;
}
internal override Expression Accept(ExpressionTreeVisitor visitor)
{
return(visitor.VisitLabeled(this));
}
