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new 16edb280e37 Refactor ViewMetaDataNodePath (#34566)
16edb280e37 is described below
commit 16edb280e37395454fb3eaa99b9cf602b13b4144
Author: Liang Zhang <zhangli...@apache.org>
AuthorDate: Thu Feb 6 01:30:47 2025 +0800
Refactor ViewMetaDataNodePath (#34566)
---
.../node/path/metadata/ViewMetaDataNodePath.java | 40 +++++++++-------------
.../path/metadata/ViewMetaDataNodePathTest.java | 34 +++++++++---------
.../database/metadata/type/ViewChangedHandler.java | 2 +-
3 files changed, 35 insertions(+), 41 deletions(-)
diff --git
a/mode/node/src/main/java/org/apache/shardingsphere/mode/node/path/metadata/ViewMetaDataNodePath.java
b/mode/node/src/main/java/org/apache/shardingsphere/mode/node/path/metadata/ViewMetaDataNodePath.java
index 8ff188d8f24..91d467756a8 100644
---
a/mode/node/src/main/java/org/apache/shardingsphere/mode/node/path/metadata/ViewMetaDataNodePath.java
+++
b/mode/node/src/main/java/org/apache/shardingsphere/mode/node/path/metadata/ViewMetaDataNodePath.java
@@ -30,19 +30,13 @@ import java.util.regex.Pattern;
@NoArgsConstructor(access = AccessLevel.PRIVATE)
public final class ViewMetaDataNodePath {
- private static final String ROOT_NODE = "/metadata";
-
private static final String VIEWS_NODE = "views";
private static final String VERSIONS_NODE = "versions";
private static final String ACTIVE_VERSION_NODE = "active_version";
- private static final String VIEWS_PATTERN =
"/([\\w\\-]+)/schemas/([\\w\\-]+)/views";
-
- private static final String ACTIVE_VERSION_SUFFIX =
"/([\\w\\-]+)/active_version";
-
- private static final String VIEW_SUFFIX = "/([\\w\\-]+)$";
+ private static final String IDENTIFIER_PATTERN = "([\\w\\-]+)";
/**
* Get view root path.
@@ -105,46 +99,46 @@ public final class ViewMetaDataNodePath {
}
/**
- * Get view name by active version path.
+ * Get view name.
*
* @param path path
* @return view name
*/
- public static Optional<String> getViewNameByActiveVersionPath(final String
path) {
- Pattern pattern = Pattern.compile(ROOT_NODE + VIEWS_PATTERN +
ACTIVE_VERSION_SUFFIX, Pattern.CASE_INSENSITIVE);
+ public static Optional<String> findViewName(final String path) {
+ Pattern pattern = Pattern.compile(getViewPath(IDENTIFIER_PATTERN,
IDENTIFIER_PATTERN, IDENTIFIER_PATTERN) + "$", Pattern.CASE_INSENSITIVE);
Matcher matcher = pattern.matcher(path);
return matcher.find() ? Optional.of(matcher.group(3)) :
Optional.empty();
}
/**
- * Get view name.
+ * Is view path.
*
* @param path path
- * @return view name
+ * @return true or false
*/
- public static Optional<String> findViewName(final String path) {
- Pattern pattern = Pattern.compile(ROOT_NODE + VIEWS_PATTERN +
"/([\\w\\-]+)$", Pattern.CASE_INSENSITIVE);
- Matcher matcher = pattern.matcher(path);
- return matcher.find() ? Optional.of(matcher.group(3)) :
Optional.empty();
+ public static boolean isViewPath(final String path) {
+ return findViewName(path).isPresent();
}
/**
- * Is view active version path.
+ * Find view name by active version path.
*
* @param path path
- * @return true or false
+ * @return view name
*/
- public static boolean isViewActiveVersionPath(final String path) {
- return Pattern.compile(ROOT_NODE + VIEWS_PATTERN +
ACTIVE_VERSION_SUFFIX, Pattern.CASE_INSENSITIVE).matcher(path).find();
+ public static Optional<String> findViewNameByActiveVersionPath(final
String path) {
+ Pattern pattern =
Pattern.compile(getViewActiveVersionPath(IDENTIFIER_PATTERN,
IDENTIFIER_PATTERN, IDENTIFIER_PATTERN), Pattern.CASE_INSENSITIVE);
+ Matcher matcher = pattern.matcher(path);
+ return matcher.find() ? Optional.of(matcher.group(3)) :
Optional.empty();
}
/**
- * Is view path.
+ * Is view active version path.
*
* @param path path
* @return true or false
*/
- public static boolean isViewPath(final String path) {
- return Pattern.compile(ROOT_NODE + VIEWS_PATTERN + VIEW_SUFFIX,
Pattern.CASE_INSENSITIVE).matcher(path).find();
+ public static boolean isViewActiveVersionPath(final String path) {
+ return findViewNameByActiveVersionPath(path).isPresent();
}
}
diff --git
a/mode/node/src/test/java/org/apache/shardingsphere/mode/node/path/metadata/ViewMetaDataNodePathTest.java
b/mode/node/src/test/java/org/apache/shardingsphere/mode/node/path/metadata/ViewMetaDataNodePathTest.java
index 0d645bdd97b..de1e92ce0b1 100644
---
a/mode/node/src/test/java/org/apache/shardingsphere/mode/node/path/metadata/ViewMetaDataNodePathTest.java
+++
b/mode/node/src/test/java/org/apache/shardingsphere/mode/node/path/metadata/ViewMetaDataNodePathTest.java
@@ -33,6 +33,11 @@ class ViewMetaDataNodePathTest {
assertThat(ViewMetaDataNodePath.getViewRootPath("foo_db",
"foo_schema"), is("/metadata/foo_db/schemas/foo_schema/views"));
}
+ @Test
+ void assertGetViewPath() {
+ assertThat(ViewMetaDataNodePath.getViewPath("foo_db", "foo_schema",
"foo_view"), is("/metadata/foo_db/schemas/foo_schema/views/foo_view"));
+ }
+
@Test
void assertGetViewActiveVersionPath() {
assertThat(ViewMetaDataNodePath.getViewActiveVersionPath("foo_db",
"foo_schema", "foo_view"),
is("/metadata/foo_db/schemas/foo_schema/views/foo_view/active_version"));
@@ -49,41 +54,36 @@ class ViewMetaDataNodePathTest {
}
@Test
- void assertGetViewPath() {
- assertThat(ViewMetaDataNodePath.getViewPath("foo_db", "foo_schema",
"foo_view"), is("/metadata/foo_db/schemas/foo_schema/views/foo_view"));
+ void assertFindViewName() {
+ Optional<String> actual =
ViewMetaDataNodePath.findViewName("/metadata/foo_db/schemas/foo_schema/views/foo_view");
+ assertTrue(actual.isPresent());
+ assertThat(actual.get(), is("foo_view"));
}
@Test
- void assertGetTableNameByActiveVersionNode() {
- Optional<String> actual =
ViewMetaDataNodePath.getViewNameByActiveVersionPath("/metadata/foo_db/schemas/foo_schema/views/foo_view/active_version");
- assertTrue(actual.isPresent());
- assertThat(actual.get(), is("foo_view"));
+ void assertFindViewNameIfNotFound() {
+
assertFalse(ViewMetaDataNodePath.findViewName("/xxx/foo_db/schemas/foo_schema/views/foo_view").isPresent());
}
@Test
- void assertGetTableNameByActiveVersionNodeIfNotFound() {
-
assertFalse(ViewMetaDataNodePath.getViewNameByActiveVersionPath("/xxx/foo_db/schemas/foo_schema/views/foo_view/active_version").isPresent());
+ void assertIsViewPath() {
+
assertTrue(ViewMetaDataNodePath.isViewPath("/metadata/foo_db/schemas/foo_schema/views/foo_view"));
}
@Test
- void assertFindViewName() {
- Optional<String> actual =
ViewMetaDataNodePath.findViewName("/metadata/foo_db/schemas/foo_schema/views/foo_view");
+ void assertGetTableNameByActiveVersionNode() {
+ Optional<String> actual =
ViewMetaDataNodePath.findViewNameByActiveVersionPath("/metadata/foo_db/schemas/foo_schema/views/foo_view/active_version");
assertTrue(actual.isPresent());
assertThat(actual.get(), is("foo_view"));
}
@Test
- void assertFindViewNameIfNotFound() {
-
assertFalse(ViewMetaDataNodePath.findViewName("/xxx/foo_db/schemas/foo_schema/views/foo_view").isPresent());
+ void assertGetTableNameByActiveVersionNodeIfNotFound() {
+
assertFalse(ViewMetaDataNodePath.findViewNameByActiveVersionPath("/xxx/foo_db/schemas/foo_schema/views/foo_view/active_version").isPresent());
}
@Test
void assertIsViewActiveVersionPath() {
assertTrue(ViewMetaDataNodePath.isViewActiveVersionPath("/metadata/foo_db/schemas/foo_schema/views/foo_view/active_version"));
}
-
- @Test
- void assertIsViewPath() {
-
assertTrue(ViewMetaDataNodePath.isViewPath("/metadata/foo_db/schemas/foo_schema/views/foo_view"));
- }
}
diff --git
a/mode/type/cluster/core/src/main/java/org/apache/shardingsphere/mode/manager/cluster/dispatch/handler/database/metadata/type/ViewChangedHandler.java
b/mode/type/cluster/core/src/main/java/org/apache/shardingsphere/mode/manager/cluster/dispatch/handler/database/metadata/type/ViewChangedHandler.java
index 7e74f5be4b2..034676bc49d 100644
---
a/mode/type/cluster/core/src/main/java/org/apache/shardingsphere/mode/manager/cluster/dispatch/handler/database/metadata/type/ViewChangedHandler.java
+++
b/mode/type/cluster/core/src/main/java/org/apache/shardingsphere/mode/manager/cluster/dispatch/handler/database/metadata/type/ViewChangedHandler.java
@@ -46,7 +46,7 @@ public final class ViewChangedHandler {
* @param event data changed event
*/
public void handleCreatedOrAltered(final String databaseName, final String
schemaName, final DataChangedEvent event) {
- String viewName =
ViewMetaDataNodePath.getViewNameByActiveVersionPath(event.getKey()).orElseThrow(()
-> new IllegalStateException("View name not found."));
+ String viewName =
ViewMetaDataNodePath.findViewNameByActiveVersionPath(event.getKey()).orElseThrow(()
-> new IllegalStateException("View name not found."));
ActiveVersionChecker.checkActiveVersion(contextManager, event);
ShardingSphereView view =
contextManager.getPersistServiceFacade().getMetaDataPersistFacade().getDatabaseMetaDataFacade().getView().load(databaseName,
schemaName, viewName);
contextManager.getMetaDataContextManager().getDatabaseMetaDataManager().alterView(databaseName,
schemaName, view);
