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Posted to notifications@ignite.apache.org by GitBox <gi...@apache.org> on 2021/05/19 08:22:44 UTC
[GitHub] [ignite-3] AMashenkov commented on a change in pull request #132: GG-14290: SchemaDescriptor and ConfigurationSchema converters.
AMashenkov commented on a change in pull request #132:
URL: https://github.com/apache/ignite-3/pull/132#discussion_r635018936
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File path: modules/schema/src/main/java/org/apache/ignite/internal/schema/configuration/SchemaConfigurationConverter.java
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@@ -0,0 +1,397 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 org.apache.ignite.internal.schema.configuration;
+
+import org.apache.ignite.configuration.schemas.table.ColumnChange;
+import org.apache.ignite.configuration.schemas.table.ColumnTypeChange;
+import org.apache.ignite.configuration.schemas.table.ColumnTypeView;
+import org.apache.ignite.configuration.schemas.table.ColumnView;
+import org.apache.ignite.configuration.schemas.table.IndexColumnChange;
+import org.apache.ignite.configuration.schemas.table.IndexColumnView;
+import org.apache.ignite.configuration.schemas.table.TableChange;
+import org.apache.ignite.configuration.schemas.table.TableConfiguration;
+import org.apache.ignite.configuration.schemas.table.TableIndexChange;
+import org.apache.ignite.configuration.schemas.table.TableIndexView;
+import org.apache.ignite.configuration.schemas.table.TableView;
+import org.apache.ignite.configuration.schemas.table.TablesChange;
+import org.apache.ignite.configuration.tree.NamedListView;
+import org.apache.ignite.internal.schema.ColumnImpl;
+import org.apache.ignite.internal.schema.HashIndexImpl;
+import org.apache.ignite.internal.schema.PartialIndexImpl;
+import org.apache.ignite.internal.schema.PrimaryIndexImpl;
+import org.apache.ignite.internal.schema.SchemaTableImpl;
+import org.apache.ignite.internal.schema.SortedIndexColumnImpl;
+import org.apache.ignite.internal.schema.SortedIndexImpl;
+import org.apache.ignite.schema.Column;
+import org.apache.ignite.schema.ColumnType;
+import org.apache.ignite.schema.HashIndex;
+import org.apache.ignite.schema.IndexColumn;
+import org.apache.ignite.schema.PartialIndex;
+import org.apache.ignite.schema.PrimaryIndex;
+import org.apache.ignite.schema.SchemaTable;
+import org.apache.ignite.schema.SortedIndex;
+import org.apache.ignite.schema.SortedIndexColumn;
+import org.apache.ignite.schema.TableIndex;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+/** Configuration to schema and vice versa converter. */
+public class SchemaConfigurationConverter {
+ /** Hash index type. */
+ private static final String HASH_TYPE = "HASH";
+
+ /** Sorted index type. */
+ private static final String SORTED_TYPE = "SORTED";
+
+ /** Partial index type. */
+ private static final String PARTIAL_TYPE = "PARTIAL";
+
+ /** Primary key index type. */
+ private static final String PK_TYPE = "PK";
+
+ /** Types map. */
+ private static Map<String, ColumnType> types = new HashMap<>();
+
+ static {
+ putType(ColumnType.INT8);
+ putType(ColumnType.INT16);
+ putType(ColumnType.INT32);
+ putType(ColumnType.INT64);
+ putType(ColumnType.UINT8);
+ putType(ColumnType.UINT16);
+ putType(ColumnType.UINT32);
+ putType(ColumnType.UINT64);
+ putType(ColumnType.FLOAT);
+ putType(ColumnType.DOUBLE);
+ putType(ColumnType.UUID);
+ putType(ColumnType.string());
+ putType(ColumnType.blobOf());
+ // TODO; handle length for some types
+ //putType(ColumnType.bitmaskOf());
+ }
+
+ private static void putType(ColumnType type) {
+ types.put(type.typeSpec().name(), type);
+ }
+
+ /**
+ * Convert SortedIndexColumn to IndexColumnChange.
+ * @param col IndexColumnChange.
+ * @param colInit IndexColumnChange to fullfill.
+ */
+ public static void convert(SortedIndexColumn col, IndexColumnChange colInit) {
+ colInit.changeName(col.name());
+ colInit.changeAsc(col.asc());
+ }
+
+ /**
+ * Convert IndexColumnView to SortedIndexColumn.
+ *
+ * @param colCfg IndexColumnView.
+ * @return SortedIndexColumn.
+ */
+ public static SortedIndexColumn convert(IndexColumnView colCfg) {
+ return new SortedIndexColumnImpl(colCfg.name(), colCfg.asc());
+ }
+
+ /**
+ * Convert TableIndex to TableIndexChange.
+ *
+ * @param idx TableIndex.
+ * @param idxChg TableIndexChange to fullfill.
+ */
+ public static void convert(TableIndex idx, TableIndexChange idxChg) {
+ idxChg.changeName(idx.name());
+ idxChg.changeType(idx.type());
+
+ if (HASH_TYPE.equals(idx.type())) {
+ HashIndex hashIdx = (HashIndex)idx;
+
+ String[] colNames = hashIdx.columns().stream().map(IndexColumn::name).toArray(String[]::new);
+ idxChg.changeColNames(colNames);
+ }
+ else if (PARTIAL_TYPE.equals(idx.type())) {
+ PartialIndex partIdx = (PartialIndex)idx;
+
+ idxChg.changeUniq(partIdx.unique());
+ idxChg.changeExpr(partIdx.expr());
+
+ idxChg.changeColumns(colsChg -> {
+ for (SortedIndexColumn col : partIdx.columns())
+ colsChg.create(col.name(), colInit -> convert(col, colInit));
+ });
+
+ }
+ else if (SORTED_TYPE.equals(idx.type())) {
+ SortedIndex sortIdx = (SortedIndex)idx;
+ idxChg.changeUniq(sortIdx.unique());
+
+ idxChg.changeColumns(colsInit -> {
+ for (SortedIndexColumn col : sortIdx.columns())
+ colsInit.create(col.name(), colInit -> convert(col, colInit));
+ });
+ }
+ else if (PK_TYPE.equals(idx.type())) {
+ PrimaryIndex primIdx = (PrimaryIndex)idx;
+
+ idxChg.changeColumns(colsInit -> {
+ for (SortedIndexColumn col : primIdx.columns())
+ colsInit.create(col.name(), colInit -> convert(col, colInit));
+ });
+
+ idxChg.changeAffinityColumns(primIdx.affinityColumns().toArray(new String[primIdx.affinityColumns().size()]));
+ }
+ else throw new IllegalArgumentException("Unknown index type " + idx.type());
+ }
+
+ /**
+ * Convert TableIndexView into TableIndex.
+ *
+ * @param idxView TableIndexView.
+ * @return TableIndex.
+ */
+ public static TableIndex convert(TableIndexView idxView) {
+ String name = idxView.name();
+ String type = idxView.type();
+
+ if (type.equals("HASH")) {
+ String[] cols = idxView.colNames();
+
+ return new HashIndexImpl(name, cols);
+ }
+ else if (type.equals("SORTED") || type.equals("PARTIAL") || type.equals("PK")) {
+ if (type.equals("PARTIAL")) {
Review comment:
Let's rewrite to 'else-if'
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