/*
* Copyright 2003-2017 JetBrains s.r.o.
*
* 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 jetbrains.mps.generator.impl.query;
import jetbrains.mps.util.annotation.ToRemove;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.mps.annotations.Immutable;
import org.jetbrains.mps.openapi.model.SNode;
import org.jetbrains.mps.openapi.model.SNodeId;
import org.jetbrains.mps.openapi.model.SNodeReference;
/**
* At the moment, some generated methods use QueryKey.getTemplateNode().getNodeId() to identify methods,
* while others need {@link #getQueryNodeId()}. {@link jetbrains.mps.generator.impl.interpreted.ReflectiveQueryProvider} can't live
* without #getQueryNodeId() as it's the identity to derive method name from in most cases. Hence, I can't implement equals/hashCode
* here to allow code like "myGeneratedField.contains(queryKey)" in QG (to replace "string id = queryKey.getTemplateNode().getNodeId().toString())
* @author Artem Tikhomirov
* @since 3.4
*/
@Immutable
public final class QueryKeyImpl implements QueryKey {
private final SNodeReference myTemplateNode;
private final SNodeId myFunctionNodeId;
private final SNode myAPITransitionNode;
public QueryKeyImpl(@Nullable SNodeReference templateNode, @NotNull SNodeId functionNodeId) {
myTemplateNode = templateNode;
myFunctionNodeId = functionNodeId;
myAPITransitionNode = null;
}
@ToRemove(version = 2017.1)
@Deprecated
public QueryKeyImpl(@Nullable SNodeReference templateNode, @NotNull SNodeId functionNodeId, @NotNull SNode apiTransitionNode) {
myTemplateNode = templateNode;
myFunctionNodeId = functionNodeId;
myAPITransitionNode = apiTransitionNode;
}
/**
* We need this node to transit {@link GeneratorQueryProvider} api from {@link SNode} to {@link QueryKey}.
* There are QG methods generated in MPS 3.4 or pre-release MPS 2017.1, which take SNode as an argument, while
* we would like to pass QueryKey now. So, GQP default implementation now takes this API transition node to invoke
* legacy methods for compatibility
*/
@ToRemove(version = 2017.1)
public SNode getAPITransitionNode() {
return myAPITransitionNode;
}
@Nullable
@Override
public SNodeReference getTemplateNode() {
return myTemplateNode;
}
public SNodeId getQueryNodeId() {
return myFunctionNodeId;
}
}