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com.orientechnologies.orient.core.sql.parser.OModifier Maven / Gradle / Ivy
/* 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_CLASS_VISIBILITY_PUBLIC=true */
package com.orientechnologies.orient.core.sql.parser;
import com.orientechnologies.common.collection.OMultiValue;
import com.orientechnologies.orient.core.command.OCommandContext;
import com.orientechnologies.orient.core.db.record.OIdentifiable;
import com.orientechnologies.orient.core.exception.OCommandExecutionException;
import com.orientechnologies.orient.core.metadata.schema.OClass;
import com.orientechnologies.orient.core.metadata.schema.OProperty;
import com.orientechnologies.orient.core.sql.executor.OResult;
import com.orientechnologies.orient.core.sql.executor.OResultInternal;
import java.lang.reflect.Array;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
public class OModifier extends SimpleNode {
protected boolean squareBrackets = false;
protected OArrayRangeSelector arrayRange;
protected OOrBlock condition;
protected OArraySingleValuesSelector arraySingleValues;
protected ORightBinaryCondition rightBinaryCondition;
protected OMethodCall methodCall;
protected OSuffixIdentifier suffix;
protected OModifier next;
public OModifier(int id) {
super(id);
}
public OModifier(OrientSql p, int id) {
super(p, id);
}
public void toString(Map params, 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 void toGenericStatement(StringBuilder builder) {
if (squareBrackets) {
builder.append("[");
if (arrayRange != null) {
arrayRange.toGenericStatement(builder);
} else if (condition != null) {
condition.toGenericStatement(builder);
} else if (arraySingleValues != null) {
arraySingleValues.toGenericStatement(builder);
} else if (rightBinaryCondition != null) {
rightBinaryCondition.toGenericStatement(builder);
}
builder.append("]");
} else if (methodCall != null) {
methodCall.toGenericStatement(builder);
} else if (suffix != null) {
builder.append(".");
suffix.toGenericStatement(builder);
}
if (next != null) {
next.toGenericStatement(builder);
}
}
public Object execute(OIdentifiable iCurrentRecord, Object result, OCommandContext ctx) {
if (ctx.getVariable("$current") == null) {
ctx.setVariable("$current", iCurrentRecord);
}
if (methodCall != null) {
result = methodCall.execute(result, ctx);
} else if (suffix != null) {
result = suffix.execute(result, ctx);
} else if (arrayRange != null) {
result = arrayRange.execute(iCurrentRecord, result, ctx);
} else if (condition != null) {
result = filterByCondition(result, ctx);
} else if (arraySingleValues != null) {
result = arraySingleValues.execute(iCurrentRecord, result, ctx);
} else if (rightBinaryCondition != null) {
result = rightBinaryCondition.execute(iCurrentRecord, result, ctx);
}
if (next != null) {
result = next.execute(iCurrentRecord, result, ctx);
}
return result;
}
public Object execute(OResult iCurrentRecord, Object result, OCommandContext ctx) {
if (ctx.getVariable("$current") == null) {
ctx.setVariable("$current", iCurrentRecord);
}
if (methodCall != null) {
result = methodCall.execute(result, ctx);
} else if (suffix != null) {
result = suffix.execute(result, ctx);
} else if (arrayRange != null) {
result = arrayRange.execute(iCurrentRecord, result, ctx);
} else if (condition != null) {
result = filterByCondition(result, ctx);
} else if (arraySingleValues != null) {
result = arraySingleValues.execute(iCurrentRecord, result, ctx);
} else if (rightBinaryCondition != null) {
result = rightBinaryCondition.execute(iCurrentRecord, result, ctx);
}
if (next != null) {
result = next.execute(iCurrentRecord, result, ctx);
}
return result;
}
private Object filterByCondition(Object iResult, OCommandContext ctx) {
if (iResult == null) {
return null;
}
List result = new ArrayList();
if (iResult.getClass().isArray()) {
for (int i = 0; i < Array.getLength(iResult); i++) {
Object item = Array.get(iResult, i);
if (condition.evaluate(item, ctx)) {
result.add(item);
}
}
return result;
}
if (iResult instanceof OIdentifiable) {
iResult = Collections.singleton(iResult);
}
if (iResult instanceof Iterable) {
iResult = ((Iterable) iResult).iterator();
}
if (iResult instanceof Iterator) {
while (((Iterator) iResult).hasNext()) {
Object item = ((Iterator) iResult).next();
if (condition.evaluate(item, ctx)) {
result.add(item);
}
}
}
return result;
}
public boolean needsAliases(Set aliases) {
if (condition != null && condition.needsAliases(aliases)) {
return true;
}
if (arraySingleValues != null && arraySingleValues.needsAliases(aliases)) {
return true;
}
if (arrayRange != null && arrayRange.needsAliases(aliases)) {
return true;
}
if (rightBinaryCondition != null && rightBinaryCondition.needsAliases(aliases)) {
return true;
}
if (methodCall != null && methodCall.needsAliases(aliases)) {
return true;
}
if (next != null && next.needsAliases(aliases)) {
return true;
}
return false;
}
public OModifier copy() {
OModifier result = new OModifier(-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
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
OModifier oModifier = (OModifier) o;
if (squareBrackets != oModifier.squareBrackets) return false;
if (arrayRange != null
? !arrayRange.equals(oModifier.arrayRange)
: oModifier.arrayRange != null) return false;
if (condition != null ? !condition.equals(oModifier.condition) : oModifier.condition != null)
return false;
if (arraySingleValues != null
? !arraySingleValues.equals(oModifier.arraySingleValues)
: oModifier.arraySingleValues != null) return false;
if (rightBinaryCondition != null
? !rightBinaryCondition.equals(oModifier.rightBinaryCondition)
: oModifier.rightBinaryCondition != null) return false;
if (methodCall != null
? !methodCall.equals(oModifier.methodCall)
: oModifier.methodCall != null) return false;
if (suffix != null ? !suffix.equals(oModifier.suffix) : oModifier.suffix != null) return false;
if (next != null ? !next.equals(oModifier.next) : oModifier.next != null) return false;
return true;
}
@Override
public int hashCode() {
int result = (squareBrackets ? 1 : 0);
result = 31 * result + (arrayRange != null ? arrayRange.hashCode() : 0);
result = 31 * result + (condition != null ? condition.hashCode() : 0);
result = 31 * result + (arraySingleValues != null ? arraySingleValues.hashCode() : 0);
result = 31 * result + (rightBinaryCondition != null ? rightBinaryCondition.hashCode() : 0);
result = 31 * result + (methodCall != null ? methodCall.hashCode() : 0);
result = 31 * result + (suffix != null ? suffix.hashCode() : 0);
result = 31 * result + (next != null ? next.hashCode() : 0);
return result;
}
public void extractSubQueries(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);
}
}
public boolean refersToParent() {
if (arrayRange != null && arrayRange.refersToParent()) {
return true;
}
if (condition != null && condition.refersToParent()) {
return true;
}
if (arraySingleValues != null && arraySingleValues.refersToParent()) {
return true;
}
if (rightBinaryCondition != null && rightBinaryCondition.refersToParent()) {
return true;
}
if (methodCall != null && methodCall.refersToParent()) {
return true;
}
if (suffix != null && suffix.refersToParent()) {
return true;
}
return false;
}
protected void setValue(OResult currentRecord, Object target, Object value, OCommandContext ctx) {
if (next == null) {
doSetValue(currentRecord, target, value, ctx);
} else {
Object newTarget = calculateLocal(currentRecord, target, ctx);
if (newTarget != null) {
next.setValue(currentRecord, newTarget, value, ctx);
}
}
}
private void doSetValue(OResult currentRecord, Object target, Object value, OCommandContext ctx) {
value = OUpdateItem.convertResultToDocument(value);
value = OUpdateItem.cleanValue(value);
if (methodCall != null) {
// do nothing
} else if (suffix != null) {
suffix.setValue(target, value, ctx);
} else if (arrayRange != null) {
arrayRange.setValue(target, value, ctx);
} 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, ctx);
} else if (rightBinaryCondition != null) {
throw new UnsupportedOperationException(
"SET value on conditional filtering will be supported soon");
}
}
private Object calculateLocal(OResult currentRecord, Object target, OCommandContext ctx) {
if (methodCall != null) {
return methodCall.execute(target, ctx);
} else if (suffix != null) {
return suffix.execute(target, ctx);
} else if (arrayRange != null) {
return arrayRange.execute(currentRecord, target, ctx);
} else if (condition != null) {
if (target instanceof OResult || target instanceof OIdentifiable || target instanceof Map) {
if (condition.evaluate(target, ctx)) {
return target;
} else {
return null;
}
} else if (OMultiValue.isMultiValue(target)) {
List result = new ArrayList<>();
for (Object o : OMultiValue.getMultiValueIterable(target)) {
if (condition.evaluate(o, ctx)) {
result.add(o);
}
}
return result;
} else {
return null;
}
} else if (arraySingleValues != null) {
return arraySingleValues.execute(currentRecord, target, ctx);
} else if (rightBinaryCondition != null) {
return rightBinaryCondition.execute(currentRecord, target, ctx);
}
return null;
}
public void applyRemove(
Object currentValue, OResultInternal originalRecord, OCommandContext ctx) {
if (next != null) {
Object val = calculateLocal(originalRecord, currentValue, ctx);
next.applyRemove(val, originalRecord, ctx);
} else {
if (arrayRange != null) {
arrayRange.applyRemove(currentValue, originalRecord, ctx);
} else if (condition != null) {
// TODO
throw new UnsupportedOperationException(
"Remove on conditional filtering will be supported soon");
} else if (arraySingleValues != null) {
arraySingleValues.applyRemove(currentValue, originalRecord, ctx);
} else if (rightBinaryCondition != null) {
throw new UnsupportedOperationException(
"Remove on conditional filtering will be supported soon");
} else if (suffix != null) {
suffix.applyRemove(currentValue, ctx);
} else {
throw new OCommandExecutionException("cannot apply REMOVE " + toString());
}
}
}
public OResult serialize() {
OResultInternal result = new OResultInternal();
result.setProperty("squareBrackets", squareBrackets);
if (arrayRange != null) {
result.setProperty("arrayRange", arrayRange.serialize());
}
if (condition != null) {
result.setProperty("condition", condition.serialize());
}
if (arraySingleValues != null) {
result.setProperty("arraySingleValues", arraySingleValues.serialize());
}
if (rightBinaryCondition != null) {
result.setProperty("rightBinaryCondition", rightBinaryCondition.serialize());
}
if (methodCall != null) {
result.setProperty("methodCall", methodCall.serialize());
}
if (suffix != null) {
result.setProperty("suffix", suffix.serialize());
}
if (next != null) {
result.setProperty("next", next.serialize());
}
return result;
}
public void deserialize(OResult fromResult) {
squareBrackets = fromResult.getProperty("squareBrackets");
if (fromResult.getProperty("arrayRange") != null) {
arrayRange = new OArrayRangeSelector(-1);
arrayRange.deserialize(fromResult.getProperty("arrayRange"));
}
if (fromResult.getProperty("condition") != null) {
condition = new OOrBlock(-1);
condition.deserialize(fromResult.getProperty("condition"));
}
if (fromResult.getProperty("arraySingleValues") != null) {
arraySingleValues = new OArraySingleValuesSelector(-1);
arraySingleValues.deserialize(fromResult.getProperty("arraySingleValues"));
}
if (fromResult.getProperty("rightBinaryCondition") != null) {
rightBinaryCondition = new ORightBinaryCondition(-1);
rightBinaryCondition.deserialize(fromResult.getProperty("arraySingleValues"));
}
if (fromResult.getProperty("methodCall") != null) {
methodCall = new OMethodCall(-1);
methodCall.deserialize(fromResult.getProperty("methodCall"));
}
if (fromResult.getProperty("suffix") != null) {
suffix = new OSuffixIdentifier(-1);
suffix.deserialize(fromResult.getProperty("suffix"));
}
if (fromResult.getProperty("next") != null) {
next = new OModifier(-1);
next.deserialize(fromResult.getProperty("next"));
}
}
public boolean isCacheable() {
if (arrayRange != null || arraySingleValues != null || rightBinaryCondition != null) {
return false; // TODO enhance a bit
}
if (condition != null && !condition.isCacheable()) {
return false;
}
if (methodCall != null && !methodCall.isCacheable()) {
return false;
}
if (suffix != null && !suffix.isCacheable()) {
return false;
}
if (next != null && !next.isCacheable()) {
return false;
}
return true;
}
public boolean isIndexChain(OCommandContext ctx, OClass clazz) {
if (suffix != null && suffix.isBaseIdentifier()) {
OProperty prop = clazz.getProperty(suffix.getIdentifier().getStringValue());
if (prop != null
&& prop.getAllIndexes().stream()
.anyMatch(idx -> idx.getDefinition().getFields().size() == 1)) {
if (next != null) {
OClass linkedClazz = prop.getLinkedClass();
return next.isIndexChain(ctx, linkedClazz);
}
return true;
}
}
return false;
}
}
/* JavaCC - OriginalChecksum=39c21495d02f9b5007b4a2d6915496e1 (do not edit this line) */
