| /* |
| * 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.iotdb.db.metadata.mtree.schemafile; |
| |
| import org.apache.iotdb.commons.exception.MetadataException; |
| import org.apache.iotdb.commons.schema.node.utils.IMNodeFactory; |
| import org.apache.iotdb.db.schemaengine.schemaregion.mtree.impl.pbtree.mnode.ICachedMNode; |
| import org.apache.iotdb.db.schemaengine.schemaregion.mtree.impl.pbtree.schemafile.ISchemaPage; |
| import org.apache.iotdb.db.schemaengine.schemaregion.mtree.impl.pbtree.schemafile.RecordUtils; |
| import org.apache.iotdb.db.schemaengine.schemaregion.mtree.impl.pbtree.schemafile.SchemaFileConfig; |
| import org.apache.iotdb.db.schemaengine.schemaregion.mtree.impl.pbtree.schemafile.SchemaPage; |
| import org.apache.iotdb.db.schemaengine.schemaregion.mtree.loader.MNodeFactoryLoader; |
| import org.apache.iotdb.db.utils.EnvironmentUtils; |
| |
| import org.apache.tsfile.enums.TSDataType; |
| import org.apache.tsfile.write.schema.IMeasurementSchema; |
| import org.apache.tsfile.write.schema.MeasurementSchema; |
| import org.junit.After; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| |
| public class SchemaPageTest { |
| |
| private final IMNodeFactory<ICachedMNode> nodeFactory = |
| MNodeFactoryLoader.getInstance().getCachedMNodeIMNodeFactory(); |
| |
| @Before |
| public void setUp() { |
| EnvironmentUtils.envSetUp(); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| EnvironmentUtils.cleanEnv(); |
| } |
| |
| @Test |
| public void flatTreeInsert() throws IOException, MetadataException { |
| ISchemaPage page = |
| ISchemaPage.initSegmentedPage(ByteBuffer.allocate(SchemaFileConfig.PAGE_LENGTH), 0); |
| ICachedMNode root = virtualFlatMTree(15); |
| for (int i = 0; i < 7; i++) { |
| page.getAsSegmentedPage().allocNewSegment(SchemaFileConfig.SEG_SIZE_LST[0]); |
| int cnt = 0; |
| for (ICachedMNode child : root.getChildren().values()) { |
| cnt++; |
| try { |
| page.getAsSegmentedPage() |
| .write((short) i, child.getName(), RecordUtils.node2Buffer(child)); |
| } catch (MetadataException e) { |
| e.printStackTrace(); |
| } |
| if (cnt > i) { |
| break; |
| } |
| } |
| } |
| |
| ByteBuffer newBuf = ByteBuffer.allocate(SchemaFileConfig.PAGE_LENGTH); |
| page.syncPageBuffer(); |
| page.getPageBuffer(newBuf); |
| SchemaPage newPage = ISchemaPage.loadSchemaPage(newBuf); |
| Assert.assertEquals(newPage.inspect(), page.inspect()); |
| System.out.println(newPage.inspect()); |
| } |
| |
| @Test |
| public void essentialPageTest() throws MetadataException, IOException { |
| ByteBuffer buf = ByteBuffer.allocate(SchemaFileConfig.PAGE_LENGTH); |
| ISchemaPage page = ISchemaPage.initSegmentedPage(buf, 0); |
| page.getAsSegmentedPage().allocNewSegment((short) 500); |
| Assert.assertFalse(page.getAsInternalPage() != null); |
| |
| page.getAsSegmentedPage().deleteSegment((short) 0); |
| page = ISchemaPage.initInternalPage(buf, 0, 0); |
| Assert.assertTrue(page.getAsInternalPage() != null); |
| |
| page.getAsInternalPage().insertRecord("aaa", 256); |
| page.getAsInternalPage().setNextSegAddress(999L); |
| page.syncPageBuffer(); |
| |
| SchemaPage nPage = ISchemaPage.loadSchemaPage(buf); |
| |
| Assert.assertTrue(nPage.getAsInternalPage() != null); |
| Assert.assertEquals(999L, nPage.getAsInternalPage().getNextSegAddress()); |
| Assert.assertEquals(256, (int) nPage.getAsInternalPage().getRecordByKey("aab")); |
| } |
| |
| private ICachedMNode virtualFlatMTree(int childSize) { |
| ICachedMNode internalNode = nodeFactory.createDeviceMNode(null, "vRoot1").getAsMNode(); |
| |
| for (int idx = 0; idx < childSize; idx++) { |
| String measurementId = "mid" + idx; |
| IMeasurementSchema schema = new MeasurementSchema(measurementId, TSDataType.FLOAT); |
| internalNode.addChild( |
| nodeFactory |
| .createMeasurementMNode( |
| internalNode.getAsDeviceMNode(), measurementId, schema, measurementId + "als") |
| .getAsMNode()); |
| } |
| return internalNode; |
| } |
| |
| public void print(Object o) { |
| System.out.println(o); |
| } |
| |
| private void printBuffer(ByteBuffer buf) { |
| int pos = buf.position(); |
| int lim = buf.limit(); |
| ByteBuffer bufRep = buf.slice(); |
| while (pos < lim) { |
| System.out.print(buf.get(pos)); |
| System.out.print(" "); |
| pos++; |
| } |
| System.out.println(""); |
| } |
| } |