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com.arcadedb.query.sql.parser.Modifier Maven / Gradle / Ivy
/*
* Copyright © 2021-present Arcade Data Ltd ([email protected] )
*
* 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.
*
* SPDX-FileCopyrightText: 2021-present Arcade Data Ltd ([email protected] )
* SPDX-License-Identifier: Apache-2.0
*/
/* Generated By:JJTree: Do not edit this line. OModifier.java Version 4.3 */
/* JavaCCOptions:MULTI=true,NODE_USES_PARSER=false,VISITOR=true,TRACK_TOKENS=true,NODE_PREFIX=O,NODE_EXTENDS=,NODE_FACTORY=,SUPPORT_USERTYPE_VISIBILITY_PUBLIC=true */
package com.arcadedb.query.sql.parser;
import com.arcadedb.database.Identifiable;
import com.arcadedb.exception.CommandExecutionException;
import com.arcadedb.query.sql.executor.CommandContext;
import com.arcadedb.query.sql.executor.MultiValue;
import com.arcadedb.query.sql.executor.Result;
import com.arcadedb.query.sql.executor.ResultInternal;
import java.lang.reflect.*;
import java.util.*;
public class Modifier extends SimpleNode {
boolean squareBrackets = false;
ArrayRangeSelector arrayRange;
OrBlock condition;
ArraySingleValuesSelector arraySingleValues;
RightBinaryCondition rightBinaryCondition;
MethodCall methodCall;
SuffixIdentifier suffix;
Modifier next;
public Modifier(final int id) {
super(id);
}
public void toString(final Map params, final StringBuilder builder) {
if (squareBrackets) {
builder.append("[");
if (arrayRange != null) {
arrayRange.toString(params, builder);
} else if (condition != null) {
condition.toString(params, builder);
} else if (arraySingleValues != null) {
arraySingleValues.toString(params, builder);
} else if (rightBinaryCondition != null) {
rightBinaryCondition.toString(params, builder);
}
builder.append("]");
} else if (methodCall != null) {
methodCall.toString(params, builder);
} else if (suffix != null) {
builder.append(".");
suffix.toString(params, builder);
}
if (next != null) {
next.toString(params, builder);
}
}
public Object execute(final Identifiable iCurrentRecord, Object result, final CommandContext context) {
if (methodCall != null) {
result = methodCall.execute(result, context);
} else if (suffix != null) {
result = suffix.execute(result, context);
} else if (arrayRange != null) {
result = arrayRange.execute(iCurrentRecord, result, context);
} else if (condition != null) {
result = filterByCondition(result, context);
} else if (arraySingleValues != null) {
result = arraySingleValues.execute(iCurrentRecord, result, context);
} else if (rightBinaryCondition != null) {
result = rightBinaryCondition.execute(iCurrentRecord, result, context);
}
if (next != null) {
result = next.execute(iCurrentRecord, result, context);
}
return result;
}
public Object execute(final Result iCurrentRecord, Object result, final CommandContext context) {
if (methodCall != null) {
result = methodCall.execute(result, context);
} else if (suffix != null) {
result = suffix.execute(result, context);
} else if (arrayRange != null) {
result = arrayRange.execute(iCurrentRecord, result, context);
} else if (condition != null) {
result = filterByCondition(result, context);
} else if (arraySingleValues != null) {
result = arraySingleValues.execute(iCurrentRecord, result, context);
} else if (rightBinaryCondition != null) {
result = rightBinaryCondition.execute(iCurrentRecord, result, context);
}
if (next != null) {
result = next.execute(iCurrentRecord, result, context);
}
return result;
}
private Object filterByCondition(Object iResult, final CommandContext context) {
if (iResult == null) {
return null;
}
final List result = new ArrayList();
if (iResult.getClass().isArray()) {
for (int i = 0; i < Array.getLength(iResult); i++) {
final Object item = Array.get(iResult, i);
if (condition.evaluate(item, context)) {
result.add(item);
}
}
return result;
}
if (iResult instanceof Identifiable) {
iResult = Collections.singleton(iResult);
}
if (iResult instanceof Iterable) {
iResult = ((Iterable) iResult).iterator();
}
if (iResult instanceof Iterator) {
while (((Iterator) iResult).hasNext()) {
final Object item = ((Iterator) iResult).next();
if (condition.evaluate(item, context)) {
result.add(item);
}
}
}
return result;
}
public Modifier copy() {
final Modifier result = new Modifier(-1);
result.squareBrackets = squareBrackets;
result.arrayRange = arrayRange == null ? null : arrayRange.copy();
result.condition = condition == null ? null : condition.copy();
result.arraySingleValues = arraySingleValues == null ? null : arraySingleValues.copy();
result.rightBinaryCondition = rightBinaryCondition == null ? null : rightBinaryCondition.copy();
result.methodCall = methodCall == null ? null : methodCall.copy();
result.suffix = suffix == null ? null : suffix.copy();
result.next = next == null ? null : next.copy();
return result;
}
@Override
protected Object[] getIdentityElements() {
return new Object[] { squareBrackets, arrayRange, condition, arraySingleValues, rightBinaryCondition, methodCall, suffix, next };
}
public void extractSubQueries(final SubQueryCollector collector) {
if (arrayRange != null) {
arrayRange.extractSubQueries(collector);
}
if (condition != null) {
condition.extractSubQueries(collector);
}
if (arraySingleValues != null) {
arraySingleValues.extractSubQueries(collector);
}
if (rightBinaryCondition != null) {
rightBinaryCondition.extractSubQueries(collector);
}
if (methodCall != null) {
methodCall.extractSubQueries(collector);
}
if (suffix != null) {
suffix.extractSubQueries(collector);
}
if (next != null) {
next.extractSubQueries(collector);
}
}
@Override
protected SimpleNode[] getCacheableElements() {
return new SimpleNode[] { arrayRange, condition, arraySingleValues, rightBinaryCondition, methodCall, suffix };
}
protected void setValue(final Result currentRecord, final Object target, final Object value, final CommandContext context) {
if (next == null) {
doSetValue(currentRecord, target, value, context);
} else {
final Object newTarget = calculateLocal(currentRecord, target, context);
if (newTarget != null) {
next.setValue(currentRecord, newTarget, value, context);
}
}
}
private void doSetValue(final Result currentRecord, final Object target, final Object value, final CommandContext context) {
if (methodCall != null) {
//do nothing
} else if (suffix != null) {
suffix.setValue(target, value, context);
} else if (arrayRange != null) {
arrayRange.setValue(target, value, context);
} else if (condition != null) {
//TODO
throw new UnsupportedOperationException("SET value on conditional filtering will be supported soon");
} else if (arraySingleValues != null) {
arraySingleValues.setValue(currentRecord, target, value, context);
} else if (rightBinaryCondition != null) {
throw new UnsupportedOperationException("SET value on conditional filtering will be supported soon");
}
}
private Object calculateLocal(final Result currentRecord, final Object target, final CommandContext context) {
if (methodCall != null) {
return methodCall.execute(target, context);
} else if (suffix != null) {
return suffix.execute(target, context);
} else if (arrayRange != null) {
return arrayRange.execute(currentRecord, target, context);
} else if (condition != null) {
if (target instanceof Result || target instanceof Identifiable || target instanceof Map) {
if (condition.evaluate(target, context)) {
return target;
} else {
return null;
}
} else if (MultiValue.isMultiValue(target)) {
final List result = new ArrayList<>();
for (final Object o : MultiValue.getMultiValueIterable(target)) {
if (condition.evaluate(target, context)) {
result.add(o);
}
}
return result;
} else {
return null;
}
} else if (arraySingleValues != null) {
return arraySingleValues.execute(currentRecord, target, context);
} else if (rightBinaryCondition != null) {
return rightBinaryCondition.execute(currentRecord, target, context);
}
return null;
}
public void applyRemove(final Object currentValue, final ResultInternal originalRecord, final CommandContext context) {
if (next != null) {
final Object val = calculateLocal(originalRecord, currentValue, context);
next.applyRemove(val, originalRecord, context);
} else {
if (arrayRange != null) {
arrayRange.applyRemove(currentValue, originalRecord, context);
} else if (condition != null) {
//TODO
throw new UnsupportedOperationException("Remove on conditional filtering will be supported soon");
} else if (arraySingleValues != null) {
arraySingleValues.applyRemove(currentValue, originalRecord, context);
} else if (rightBinaryCondition != null) {
throw new UnsupportedOperationException("Remove on conditional filtering will be supported soon");
} else if (suffix != null) {
suffix.applyRemove(currentValue, context);
} else {
throw new CommandExecutionException("cannot apply REMOVE " + this);
}
}
}
}
/* JavaCC - OriginalChecksum=39c21495d02f9b5007b4a2d6915496e1 (do not edit this line) */
