001    /*
002     * Copyright 2010-2014 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.resolve.java.resolver;
018    
019    import com.intellij.psi.PsiField;
020    import org.jetbrains.annotations.NotNull;
021    import org.jetbrains.annotations.Nullable;
022    import org.jetbrains.jet.lang.descriptors.ClassDescriptor;
023    import org.jetbrains.jet.lang.descriptors.ConstructorDescriptor;
024    import org.jetbrains.jet.lang.descriptors.PropertyDescriptor;
025    import org.jetbrains.jet.lang.descriptors.SimpleFunctionDescriptor;
026    import org.jetbrains.jet.lang.resolve.BindingContextUtils;
027    import org.jetbrains.jet.lang.resolve.BindingTrace;
028    import org.jetbrains.jet.lang.resolve.java.structure.JavaClass;
029    import org.jetbrains.jet.lang.resolve.java.structure.JavaElement;
030    import org.jetbrains.jet.lang.resolve.java.structure.JavaField;
031    import org.jetbrains.jet.lang.resolve.java.structure.JavaMethod;
032    import org.jetbrains.jet.lang.resolve.java.structure.impl.JavaClassImpl;
033    import org.jetbrains.jet.lang.resolve.java.structure.impl.JavaElementImpl;
034    import org.jetbrains.jet.lang.resolve.java.structure.impl.JavaFieldImpl;
035    import org.jetbrains.jet.lang.resolve.java.structure.impl.JavaMethodImpl;
036    import org.jetbrains.jet.lang.resolve.name.FqName;
037    
038    import javax.inject.Inject;
039    
040    import static org.jetbrains.jet.lang.resolve.BindingContext.*;
041    
042    public class TraceBasedJavaResolverCache implements JavaResolverCache {
043        private BindingTrace trace;
044    
045        @Inject
046        public void setTrace(BindingTrace trace) {
047            this.trace = trace;
048        }
049    
050        @Nullable
051        @Override
052        public ClassDescriptor getClassResolvedFromSource(@NotNull FqName fqName) {
053            return trace.get(FQNAME_TO_CLASS_DESCRIPTOR, fqName.toUnsafe());
054        }
055    
056        @Override
057        public void recordMethod(@NotNull JavaMethod method, @NotNull SimpleFunctionDescriptor descriptor) {
058            BindingContextUtils.recordFunctionDeclarationToDescriptor(trace, ((JavaMethodImpl) method).getPsi(), descriptor);
059        }
060    
061        @Override
062        public void recordConstructor(@NotNull JavaElement element, @NotNull ConstructorDescriptor descriptor) {
063            trace.record(CONSTRUCTOR, ((JavaElementImpl) element).getPsi(), descriptor);
064        }
065    
066        @Override
067        public void recordField(@NotNull JavaField field, @NotNull PropertyDescriptor descriptor) {
068            PsiField psiField = ((JavaFieldImpl) field).getPsi();
069            trace.record(VARIABLE, psiField, descriptor);
070        }
071    
072        @Override
073        public void recordClass(@NotNull JavaClass javaClass, @NotNull ClassDescriptor descriptor) {
074            trace.record(CLASS, ((JavaClassImpl) javaClass).getPsi(), descriptor);
075        }
076    }