001    /*
002     * Copyright 2010-2013 JetBrains s.r.o.
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     * http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    
017    package org.jetbrains.jet.lang.psi.stubs.elements;
018    
019    import com.intellij.psi.stubs.StubElement;
020    import com.intellij.psi.stubs.StubInputStream;
021    import com.intellij.psi.stubs.StubOutputStream;
022    import com.intellij.util.io.StringRef;
023    import org.jetbrains.annotations.NonNls;
024    import org.jetbrains.annotations.NotNull;
025    import org.jetbrains.jet.lang.psi.JetTypeParameter;
026    import org.jetbrains.jet.lang.psi.JetTypeReference;
027    import org.jetbrains.jet.lang.psi.stubs.PsiJetTypeParameterStub;
028    import org.jetbrains.jet.lang.psi.stubs.impl.PsiJetTypeParameterStubImpl;
029    import org.jetbrains.jet.lang.types.Variance;
030    
031    import java.io.IOException;
032    
033    public class JetTypeParameterElementType extends JetStubElementType<PsiJetTypeParameterStub, JetTypeParameter> {
034        public JetTypeParameterElementType(@NotNull @NonNls String debugName) {
035            super(debugName, JetTypeParameter.class, PsiJetTypeParameterStub.class);
036        }
037    
038        @Override
039        public PsiJetTypeParameterStub createStub(@NotNull JetTypeParameter psi, StubElement parentStub) {
040            return new PsiJetTypeParameterStubImpl(parentStub, StringRef.fromString(psi.getName()),
041                                                   psi.getVariance() == Variance.IN_VARIANCE, psi.getVariance() == Variance.OUT_VARIANCE);
042        }
043    
044        @Override
045        public void serialize(@NotNull PsiJetTypeParameterStub stub, @NotNull StubOutputStream dataStream) throws IOException {
046            dataStream.writeName(stub.getName());
047            dataStream.writeBoolean(stub.isInVariance());
048            dataStream.writeBoolean(stub.isOutVariance());
049        }
050    
051        @NotNull
052        @Override
053        public PsiJetTypeParameterStub deserialize(@NotNull StubInputStream dataStream, StubElement parentStub) throws IOException {
054            StringRef name = dataStream.readName();
055            boolean isInVariance = dataStream.readBoolean();
056            boolean isOutVariance = dataStream.readBoolean();
057    
058            return new PsiJetTypeParameterStubImpl(parentStub, name, isInVariance, isOutVariance);
059        }
060    }