| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.drill.common.expression.visitors; |
| |
| import org.apache.drill.common.expression.AnyValueExpression; |
| import org.apache.drill.common.expression.BooleanOperator; |
| import org.apache.drill.common.expression.CastExpression; |
| import org.apache.drill.common.expression.ConvertExpression; |
| import org.apache.drill.common.expression.FunctionCall; |
| import org.apache.drill.common.expression.FunctionHolderExpression; |
| import org.apache.drill.common.expression.IfExpression; |
| import org.apache.drill.common.expression.LogicalExpression; |
| import org.apache.drill.common.expression.NullExpression; |
| import org.apache.drill.common.expression.SchemaPath; |
| import org.apache.drill.common.expression.TypedFieldExpr; |
| import org.apache.drill.common.expression.TypedNullConstant; |
| import org.apache.drill.common.expression.ValueExpressions.BooleanExpression; |
| import org.apache.drill.common.expression.ValueExpressions.DateExpression; |
| import org.apache.drill.common.expression.ValueExpressions.Decimal18Expression; |
| import org.apache.drill.common.expression.ValueExpressions.Decimal28Expression; |
| import org.apache.drill.common.expression.ValueExpressions.Decimal38Expression; |
| import org.apache.drill.common.expression.ValueExpressions.Decimal9Expression; |
| import org.apache.drill.common.expression.ValueExpressions.DoubleExpression; |
| import org.apache.drill.common.expression.ValueExpressions.FloatExpression; |
| import org.apache.drill.common.expression.ValueExpressions.IntExpression; |
| import org.apache.drill.common.expression.ValueExpressions.IntervalDayExpression; |
| import org.apache.drill.common.expression.ValueExpressions.IntervalYearExpression; |
| import org.apache.drill.common.expression.ValueExpressions.LongExpression; |
| import org.apache.drill.common.expression.ValueExpressions.ParameterExpression; |
| import org.apache.drill.common.expression.ValueExpressions.QuotedString; |
| import org.apache.drill.common.expression.ValueExpressions.TimeExpression; |
| import org.apache.drill.common.expression.ValueExpressions.TimeStampExpression; |
| import org.apache.drill.common.expression.ValueExpressions.VarDecimalExpression; |
| |
| public interface ExprVisitor<T, VAL, EXCEP extends Exception> { |
| T visitFunctionCall(FunctionCall call, VAL value) throws EXCEP; |
| T visitFunctionHolderExpression(FunctionHolderExpression holder, VAL value) throws EXCEP; |
| T visitIfExpression(IfExpression ifExpr, VAL value) throws EXCEP; |
| T visitBooleanOperator(BooleanOperator call, VAL value) throws EXCEP; |
| T visitSchemaPath(SchemaPath path, VAL value) throws EXCEP; |
| T visitIntConstant(IntExpression intExpr, VAL value) throws EXCEP; |
| T visitFloatConstant(FloatExpression fExpr, VAL value) throws EXCEP; |
| T visitLongConstant(LongExpression intExpr, VAL value) throws EXCEP; |
| T visitDateConstant(DateExpression intExpr, VAL value) throws EXCEP; |
| T visitTimeConstant(TimeExpression intExpr, VAL value) throws EXCEP; |
| T visitTimeStampConstant(TimeStampExpression intExpr, VAL value) throws EXCEP; |
| T visitIntervalYearConstant(IntervalYearExpression intExpr, VAL value) throws EXCEP; |
| T visitIntervalDayConstant(IntervalDayExpression intExpr, VAL value) throws EXCEP; |
| T visitDecimal9Constant(Decimal9Expression decExpr, VAL value) throws EXCEP; |
| T visitDecimal18Constant(Decimal18Expression decExpr, VAL value) throws EXCEP; |
| T visitDecimal28Constant(Decimal28Expression decExpr, VAL value) throws EXCEP; |
| T visitDecimal38Constant(Decimal38Expression decExpr, VAL value) throws EXCEP; |
| T visitVarDecimalConstant(VarDecimalExpression decExpr, VAL value) throws EXCEP; |
| T visitDoubleConstant(DoubleExpression dExpr, VAL value) throws EXCEP; |
| T visitBooleanConstant(BooleanExpression e, VAL value) throws EXCEP; |
| T visitQuotedStringConstant(QuotedString e, VAL value) throws EXCEP; |
| T visitNullConstant(TypedNullConstant e, VAL value) throws EXCEP; |
| T visitNullExpression(NullExpression e, VAL value) throws EXCEP; |
| T visitUnknown(LogicalExpression e, VAL value) throws EXCEP; |
| T visitCastExpression(CastExpression e, VAL value) throws EXCEP; |
| T visitConvertExpression(ConvertExpression e, VAL value) throws EXCEP; |
| T visitParameter(ParameterExpression e, VAL value) throws EXCEP; |
| T visitTypedFieldExpr(TypedFieldExpr e, VAL value) throws EXCEP; |
| T visitAnyValueExpression(AnyValueExpression e, VAL value) throws EXCEP; |
| } |