diff options
Diffstat (limited to 'java/java-impl/src/com/intellij/psi/RefQueueIndex.java')
-rw-r--r-- | java/java-impl/src/com/intellij/psi/RefQueueIndex.java | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/java/java-impl/src/com/intellij/psi/RefQueueIndex.java b/java/java-impl/src/com/intellij/psi/RefQueueIndex.java new file mode 100644 index 000000000000..d65fa4473c2f --- /dev/null +++ b/java/java-impl/src/com/intellij/psi/RefQueueIndex.java @@ -0,0 +1,119 @@ +/* + * Copyright 2000-2014 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 com.intellij.psi; + +import com.intellij.openapi.project.Project; +import com.intellij.openapi.vfs.VirtualFile; +import com.intellij.psi.impl.file.impl.ResolveScopeManagerImpl; +import com.intellij.util.indexing.*; +import com.intellij.util.io.DataExternalizer; +import com.intellij.util.io.KeyDescriptor; +import org.jetbrains.annotations.NotNull; + +import java.io.DataInput; +import java.io.DataOutput; +import java.util.Collections; +import java.util.Map; + +// all it does is take files it was fed and queue them to the resolve +public class RefQueueIndex extends FileBasedIndexExtension<Void,Void> { + private static final ID<Void, Void> ID = com.intellij.util.indexing.ID.create("RefQueueIndex"); + + @NotNull + @Override + public ID<Void, Void> getName() { + return ID; + } + + @NotNull + @Override + public DataIndexer<Void, Void, FileContent> getIndexer() { + return new DataIndexer<Void, Void, FileContent>() { + @NotNull + @Override + public Map<Void, Void> map(@NotNull FileContent inputData) { + if (ResolveScopeManagerImpl.ENABLED_REF_BACK) { + Project project = inputData.getProject(); + RefResolveService.getInstance(project).queue(Collections.singletonList(inputData.getFile()), "Cache updater"); + } + return Collections.emptyMap(); + } + }; + } + + @NotNull + @Override + public KeyDescriptor<Void> getKeyDescriptor() { + return new KeyDescriptor<Void>() { + @Override + public void save(@NotNull DataOutput out, Void value) { + + } + + @Override + public Void read(@NotNull DataInput in) { + return null; + } + + @Override + public int getHashCode(Void value) { + return 0; + } + + @Override + public boolean isEqual(Void val1, Void val2) { + return false; + } + }; + } + + @NotNull + @Override + public DataExternalizer<Void> getValueExternalizer() { + return new DataExternalizer<Void>() { + @Override + public void save(@NotNull DataOutput out, Void value) { + + } + + @Override + public Void read(@NotNull DataInput in) { + return null; + } + }; + } + + @NotNull + @Override + public FileBasedIndex.InputFilter getInputFilter() { + return new FileBasedIndex.InputFilter() { + @Override + public boolean acceptInput(@NotNull VirtualFile file) { + return !file.isDirectory(); + } + }; + } + + @Override + public boolean dependsOnFileContent() { + return true; + } + + @Override + public int getVersion() { + return 0; + } +} |