com.blazebit.persistence.parser.expression.AbortableVisitorAdapter Maven / Gradle / Ivy
/*
* Copyright 2014 - 2020 Blazebit.
*
* Licensed 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 com.blazebit.persistence.parser.expression;
import com.blazebit.persistence.parser.predicate.BetweenPredicate;
import com.blazebit.persistence.parser.predicate.BinaryExpressionPredicate;
import com.blazebit.persistence.parser.predicate.BooleanLiteral;
import com.blazebit.persistence.parser.predicate.CompoundPredicate;
import com.blazebit.persistence.parser.predicate.EqPredicate;
import com.blazebit.persistence.parser.predicate.ExistsPredicate;
import com.blazebit.persistence.parser.predicate.GePredicate;
import com.blazebit.persistence.parser.predicate.GtPredicate;
import com.blazebit.persistence.parser.predicate.InPredicate;
import com.blazebit.persistence.parser.predicate.IsEmptyPredicate;
import com.blazebit.persistence.parser.predicate.IsNullPredicate;
import com.blazebit.persistence.parser.predicate.LePredicate;
import com.blazebit.persistence.parser.predicate.LikePredicate;
import com.blazebit.persistence.parser.predicate.LtPredicate;
import com.blazebit.persistence.parser.predicate.MemberOfPredicate;
import com.blazebit.persistence.parser.predicate.Predicate;
import java.util.List;
/**
*
* @author Moritz Becker
* @since 1.0.0
*/
public abstract class AbortableVisitorAdapter implements Expression.ResultVisitor {
@Override
public Boolean visit(PathExpression expression) {
List expressions = expression.getExpressions();
int size = expressions.size();
for (int i = 0; i < size; i++) {
if (expressions.get(i).accept(this)) {
return true;
}
}
return false;
}
@Override
public Boolean visit(ArrayExpression expression) {
if (expression.getBase().accept(this)) {
return true;
}
return expression.getIndex().accept(this);
}
@Override
public Boolean visit(TreatExpression expression) {
return expression.getExpression().accept(this);
}
@Override
public Boolean visit(PropertyExpression expression) {
return false;
}
@Override
public Boolean visit(ParameterExpression expression) {
return false;
}
@Override
public Boolean visit(ListIndexExpression expression) {
return expression.getPath().accept(this);
}
@Override
public Boolean visit(MapEntryExpression expression) {
return expression.getPath().accept(this);
}
@Override
public Boolean visit(MapKeyExpression expression) {
return expression.getPath().accept(this);
}
@Override
public Boolean visit(MapValueExpression expression) {
return expression.getPath().accept(this);
}
@Override
public Boolean visit(NullExpression expression) {
return false;
}
@Override
public Boolean visit(SubqueryExpression expression) {
return false;
}
@Override
public Boolean visit(FunctionExpression expression) {
List expressions = expression.getExpressions();
int size = expressions.size();
for (int i = 0; i < size; i++) {
if (expressions.get(i).accept(this)) {
return true;
}
}
WindowDefinition windowDefinition = expression.getWindowDefinition();
if (windowDefinition != null) {
Predicate filterPredicate = windowDefinition.getFilterPredicate();
if (filterPredicate != null) {
if (filterPredicate.accept(this)) {
return true;
}
}
List partitionExpressions = windowDefinition.getPartitionExpressions();
size = partitionExpressions.size();
for (int i = 0; i < size; i++) {
if (partitionExpressions.get(i).accept(this)) {
return true;
}
}
List orderByExpressions = windowDefinition.getOrderByExpressions();
size = orderByExpressions.size();
for (int i = 0; i < size; i++) {
if (orderByExpressions.get(i).getExpression().accept(this)) {
return true;
}
}
Expression frameStartExpression = windowDefinition.getFrameStartExpression();
if (frameStartExpression != null) {
if (frameStartExpression.accept(this)) {
return true;
}
}
Expression frameEndExpression = windowDefinition.getFrameEndExpression();
if (frameEndExpression != null) {
if (frameEndExpression.accept(this)) {
return true;
}
}
}
return false;
}
@Override
public Boolean visit(TypeFunctionExpression expression) {
return visit((FunctionExpression) expression);
}
@Override
public Boolean visit(TrimExpression expression) {
if (expression.getTrimCharacter() != null && expression.getTrimCharacter().accept(this)) {
return true;
}
return expression.getTrimSource().accept(this);
}
@Override
public Boolean visit(GeneralCaseExpression expression) {
List expressions = expression.getWhenClauses();
int size = expressions.size();
for (int i = 0; i < size; i++) {
if (expressions.get(i).accept(this)) {
return true;
}
}
if (expression.getDefaultExpr() != null) {
return expression.getDefaultExpr().accept(this);
}
return false;
}
@Override
public Boolean visit(SimpleCaseExpression expression) {
if (expression.getCaseOperand().accept(this)) {
return true;
}
return visit((GeneralCaseExpression) expression);
}
@Override
public Boolean visit(WhenClauseExpression expression) {
if (expression.getCondition().accept(this)) {
return true;
}
return expression.getResult().accept(this);
}
@Override
public Boolean visit(ArithmeticExpression expression) {
if (expression.getLeft().accept(this)) {
return true;
}
if (expression.getRight().accept(this)) {
return true;
}
return false;
}
@Override
public Boolean visit(ArithmeticFactor expression) {
return expression.getExpression().accept(this);
}
@Override
public Boolean visit(NumericLiteral expression) {
return false;
}
@Override
public Boolean visit(BooleanLiteral expression) {
return false;
}
@Override
public Boolean visit(StringLiteral expression) {
return false;
}
@Override
public Boolean visit(DateLiteral expression) {
return false;
}
@Override
public Boolean visit(TimeLiteral expression) {
return false;
}
@Override
public Boolean visit(TimestampLiteral expression) {
return false;
}
@Override
public Boolean visit(EnumLiteral expression) {
return false;
}
@Override
public Boolean visit(EntityLiteral expression) {
return false;
}
@Override
public Boolean visit(CompoundPredicate predicate) {
List children = predicate.getChildren();
int size = children.size();
for (int i = 0; i < size; i++) {
if (children.get(i).accept(this)) {
return true;
}
}
return false;
}
@Override
public Boolean visit(EqPredicate predicate) {
return visit((BinaryExpressionPredicate) predicate);
}
@Override
public Boolean visit(IsNullPredicate predicate) {
return predicate.getExpression().accept(this);
}
@Override
public Boolean visit(IsEmptyPredicate predicate) {
return predicate.getExpression().accept(this);
}
@Override
public Boolean visit(MemberOfPredicate predicate) {
return visit((BinaryExpressionPredicate) predicate);
}
@Override
public Boolean visit(LikePredicate predicate) {
return visit((BinaryExpressionPredicate) predicate);
}
@Override
public Boolean visit(BetweenPredicate predicate) {
if (predicate.getLeft().accept(this)) {
return true;
}
if (predicate.getStart().accept(this)) {
return true;
}
return predicate.getEnd().accept(this);
}
@Override
public Boolean visit(InPredicate predicate) {
if (predicate.getLeft().accept(this)) {
return true;
}
for (Expression right : predicate.getRight()) {
if (right.accept(this)) {
return true;
}
}
return false;
}
@Override
public Boolean visit(GtPredicate predicate) {
return visit((BinaryExpressionPredicate) predicate);
}
@Override
public Boolean visit(GePredicate predicate) {
return visit((BinaryExpressionPredicate) predicate);
}
@Override
public Boolean visit(LtPredicate predicate) {
return visit((BinaryExpressionPredicate) predicate);
}
@Override
public Boolean visit(LePredicate predicate) {
return visit((BinaryExpressionPredicate) predicate);
}
protected Boolean visit(BinaryExpressionPredicate predicate) {
if (predicate.getLeft().accept(this)) {
return true;
}
return predicate.getRight().accept(this);
}
@Override
public Boolean visit(ExistsPredicate predicate) {
return false;
}
}