java/java-impl/src/com/intellij/psi/impl/source/HierarchicalMethodSignatureImpl.java

   1 /*
   2  * Copyright 2000-2009 JetBrains s.r.o.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package com.intellij.psi.impl.source;
  17
  18 import com.intellij.psi.HierarchicalMethodSignature;
  19 import com.intellij.psi.util.MethodSignatureBackedByPsiMethod;
  20 import com.intellij.util.SmartList;
  21 import org.jetbrains.annotations.NotNull;
  22
  23 import java.util.Collections;
  24 import java.util.List;
  25
  26 /**
  27  * @author ven
  28  */
  29 public class HierarchicalMethodSignatureImpl extends HierarchicalMethodSignature {
  30   private List<HierarchicalMethodSignature> mySupers;
  31
  32   public HierarchicalMethodSignatureImpl(@NotNull MethodSignatureBackedByPsiMethod signature) {
  33     super(signature);
  34   }
  35
  36   public void addSuperSignature(@NotNull HierarchicalMethodSignature superSignatureHierarchical) {
  37     if (mySupers == null) mySupers = new SmartList<HierarchicalMethodSignature>();
  38     mySupers.add(superSignatureHierarchical);
  39   }
  40
  41   @NotNull
  42   public List<HierarchicalMethodSignature> getSuperSignatures() {
  43     return mySupers == null ? Collections.<HierarchicalMethodSignature>emptyList() : mySupers;
  44   }
  45 }