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-rw-r--r--platform/indexing-api/src/com/intellij/lang/cacheBuilder/DefaultWordsScanner.java2
-rw-r--r--platform/indexing-api/src/com/intellij/lang/cacheBuilder/SimpleWordsScanner.java2
-rw-r--r--platform/indexing-api/src/com/intellij/lang/cacheBuilder/VersionedWordsScanner.java22
3 files changed, 24 insertions, 2 deletions
diff --git a/platform/indexing-api/src/com/intellij/lang/cacheBuilder/DefaultWordsScanner.java b/platform/indexing-api/src/com/intellij/lang/cacheBuilder/DefaultWordsScanner.java
index c4a306286708..824202fd0807 100644
--- a/platform/indexing-api/src/com/intellij/lang/cacheBuilder/DefaultWordsScanner.java
+++ b/platform/indexing-api/src/com/intellij/lang/cacheBuilder/DefaultWordsScanner.java
@@ -27,7 +27,7 @@ import org.jetbrains.annotations.NotNull;
* @author max
*/
-public class DefaultWordsScanner implements WordsScanner {
+public class DefaultWordsScanner extends VersionedWordsScanner {
private final Lexer myLexer;
private final TokenSet myIdentifierTokenSet;
private final TokenSet myCommentTokenSet;
diff --git a/platform/indexing-api/src/com/intellij/lang/cacheBuilder/SimpleWordsScanner.java b/platform/indexing-api/src/com/intellij/lang/cacheBuilder/SimpleWordsScanner.java
index 6273654982a9..069c8643ae19 100644
--- a/platform/indexing-api/src/com/intellij/lang/cacheBuilder/SimpleWordsScanner.java
+++ b/platform/indexing-api/src/com/intellij/lang/cacheBuilder/SimpleWordsScanner.java
@@ -25,7 +25,7 @@ import com.intellij.util.text.CharArrayUtil;
*
* @author max
*/
-public class SimpleWordsScanner implements WordsScanner {
+public class SimpleWordsScanner extends VersionedWordsScanner {
public void processWords(CharSequence fileText, Processor<WordOccurrence> processor) {
int index = 0;
WordOccurrence occurrence = null;
diff --git a/platform/indexing-api/src/com/intellij/lang/cacheBuilder/VersionedWordsScanner.java b/platform/indexing-api/src/com/intellij/lang/cacheBuilder/VersionedWordsScanner.java
new file mode 100644
index 000000000000..f8d27825d14e
--- /dev/null
+++ b/platform/indexing-api/src/com/intellij/lang/cacheBuilder/VersionedWordsScanner.java
@@ -0,0 +1,22 @@
+/*
+ * 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.lang.cacheBuilder;
+
+public abstract class VersionedWordsScanner implements WordsScanner {
+ public int getVersion() {
+ return 1;
+ }
+}