AMashenkov commented on a change in pull request #91:
URL: https://github.com/apache/ignite-3/pull/91#discussion_r634278035
##########
File path:
modules/schema/src/main/java/org/apache/ignite/internal/schema/SchemaManager.java
##########
@@ -17,60 +17,268 @@
package org.apache.ignite.internal.schema;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
import java.util.UUID;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
import org.apache.ignite.configuration.internal.ConfigurationManager;
+import org.apache.ignite.configuration.schemas.table.ColumnTypeView;
+import org.apache.ignite.configuration.schemas.table.ColumnView;
+import org.apache.ignite.configuration.schemas.table.TableConfiguration;
+import org.apache.ignite.configuration.schemas.table.TableIndexConfiguration;
+import org.apache.ignite.configuration.schemas.table.TablesConfiguration;
+import org.apache.ignite.configuration.tree.NamedListView;
+import org.apache.ignite.internal.metastorage.MetaStorageManager;
+import org.apache.ignite.internal.schema.registry.SchemaRegistryException;
+import org.apache.ignite.internal.schema.registry.SchemaRegistryImpl;
+import org.apache.ignite.internal.util.ByteUtils;
+import org.apache.ignite.internal.vault.VaultManager;
+import org.apache.ignite.lang.ByteArray;
+import org.apache.ignite.lang.IgniteLogger;
+import org.apache.ignite.metastorage.common.Conditions;
+import org.apache.ignite.metastorage.common.Cursor;
+import org.apache.ignite.metastorage.common.Entry;
+import org.apache.ignite.metastorage.common.Key;
+import org.apache.ignite.metastorage.common.Operations;
+import org.apache.ignite.metastorage.common.WatchEvent;
+import org.apache.ignite.metastorage.common.WatchListener;
+import org.apache.ignite.schema.PrimaryIndex;
+import org.jetbrains.annotations.NotNull;
/**
* Schema Manager.
*/
-// TODO: IGNITE-14586 Remove @SuppressWarnings when implementation provided.
-@SuppressWarnings({"FieldCanBeLocal", "unused"}) public class SchemaManager {
- /** Configuration manager in order to handle and listen schema specific
configuration.*/
+public class SchemaManager {
+ /** The logger. */
+ private static final IgniteLogger LOG =
IgniteLogger.forClass(SchemaManager.class);
+
+ /** Internal prefix for the metasorage. */
+ private static final String INTERNAL_PREFIX = "internal.tables.schema.";
+
+ /** Schema history item key suffix. */
+ private static final String INTERNAL_VER_SUFFIX = ".ver.";
+
+ /** Configuration manager in order to handle and listen schema specific
configuration. */
private final ConfigurationManager configurationMgr;
+ /** Metastorage manager. */
+ private final MetaStorageManager metaStorageMgr;
+
+ /** Vault manager. */
+ private final VaultManager vaultMgr;
+
/** Schema. */
- private final SchemaDescriptor schema;
+ private final Map<UUID, SchemaRegistryImpl> schemes = new
ConcurrentHashMap<>();
/**
* The constructor.
*
* @param configurationMgr Configuration manager.
+ * @param metaStorageMgr Metastorage manager.
+ * @param vaultMgr Vault manager.
*/
- public SchemaManager(ConfigurationManager configurationMgr) {
+ public SchemaManager(
+ ConfigurationManager configurationMgr,
+ MetaStorageManager metaStorageMgr,
+ VaultManager vaultMgr
+ ) {
this.configurationMgr = configurationMgr;
+ this.metaStorageMgr = metaStorageMgr;
+ this.vaultMgr = vaultMgr;
+
+ metaStorageMgr.registerWatchByPrefix(new Key(INTERNAL_PREFIX), new
WatchListener() {
+ /** {@inheritDoc} */
+ @Override public boolean onUpdate(@NotNull Iterable<WatchEvent>
events) {
+ for (WatchEvent evt : events) {
+ String keyTail =
evt.newEntry().key().toString().substring(INTERNAL_PREFIX.length() - 1);
+
+ int verPos = keyTail.indexOf(INTERNAL_VER_SUFFIX);
- this.schema = new SchemaDescriptor(1,
- new Column[] {
- new Column("key", NativeType.LONG, false)
- },
- new Column[] {
- new Column("value", NativeType.LONG, false)
+ // Last table schema version changed.
+ if (verPos == -1) {
+ UUID tblId = UUID.fromString(keyTail);
+
+ if (evt.oldEntry() == null) // Initial schema added.
+ schemes.put(tblId, new SchemaRegistryImpl());
Review comment:
Because schema itself is written under another key with the specific
version.
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