| /** |
| * 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.tajo.catalog.partition; |
| |
| import com.google.common.base.Objects; |
| import com.google.gson.Gson; |
| import com.google.gson.GsonBuilder; |
| import com.google.gson.annotations.Expose; |
| import org.apache.tajo.catalog.Schema; |
| import org.apache.tajo.catalog.SchemaFactory; |
| import org.apache.tajo.catalog.json.CatalogGsonHelper; |
| import org.apache.tajo.catalog.proto.CatalogProtos; |
| import org.apache.tajo.common.ProtoObject; |
| import org.apache.tajo.json.GsonObject; |
| import org.apache.tajo.util.TUtil; |
| |
| import static org.apache.tajo.catalog.proto.CatalogProtos.PartitionType; |
| import static org.apache.tajo.catalog.proto.CatalogProtos.TableIdentifierProto; |
| |
| /** |
| * <code>PartitionMethodDesc</code> presents a table description, including partition type, and partition keys. |
| */ |
| public class PartitionMethodDesc implements ProtoObject<CatalogProtos.PartitionMethodProto>, Cloneable, GsonObject { |
| @Expose private String databaseName; // required |
| @Expose private String tableName; // required |
| @Expose private PartitionType partitionType; // required |
| @Expose private String expression; // required |
| @Expose private Schema expressionSchema; // required |
| |
| public PartitionMethodDesc() { |
| } |
| |
| public PartitionMethodDesc(String databaseName, String tableName, |
| PartitionType partitionType, String expression, |
| Schema expressionSchema) { |
| this.databaseName = databaseName; |
| this.tableName = tableName; |
| this.partitionType = partitionType; |
| this.expression = expression; |
| this.expressionSchema = expressionSchema; |
| } |
| |
| public PartitionMethodDesc(CatalogProtos.PartitionMethodProto proto) { |
| this(proto.getTableIdentifier().getDatabaseName(), |
| proto.getTableIdentifier().getTableName(), |
| proto.getPartitionType(), proto.getExpression(), |
| SchemaFactory.newV1(proto.getExpressionSchema())); |
| } |
| |
| public String getTableName() { |
| return tableName; |
| } |
| |
| public String getExpression() { |
| return expression; |
| } |
| |
| public Schema getExpressionSchema() { |
| return expressionSchema; |
| } |
| |
| public PartitionType getPartitionType() { |
| return partitionType; |
| } |
| |
| public void setTableName(String tableId) { |
| this.tableName = tableId; |
| } |
| |
| public void setExpressionSchema(Schema expressionSchema) { |
| this.expressionSchema = expressionSchema; |
| } |
| |
| public void setPartitionType(PartitionType partitionsType) { |
| this.partitionType = partitionsType; |
| } |
| |
| public void setExpression(String expression) { |
| this.expression = expression; |
| } |
| |
| @Override |
| public boolean equals(Object object) { |
| if(object instanceof PartitionMethodDesc) { |
| PartitionMethodDesc other = (PartitionMethodDesc) object; |
| boolean eq = tableName.equals(other.tableName); |
| eq = eq && partitionType.equals(other.partitionType); |
| eq = eq && expression.equals(other.expression); |
| eq = eq && TUtil.checkEquals(expressionSchema, other.expressionSchema); |
| return eq; |
| } |
| |
| return false; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hashCode(tableName, partitionType, expression, expressionSchema); |
| } |
| |
| @Override |
| public CatalogProtos.PartitionMethodProto getProto() { |
| TableIdentifierProto.Builder tableIdentifierBuilder = TableIdentifierProto.newBuilder(); |
| if (databaseName != null) { |
| tableIdentifierBuilder.setDatabaseName(databaseName); |
| } |
| if (tableName != null) { |
| tableIdentifierBuilder.setTableName(tableName); |
| } |
| |
| CatalogProtos.PartitionMethodProto.Builder builder = CatalogProtos.PartitionMethodProto.newBuilder(); |
| builder.setTableIdentifier(tableIdentifierBuilder.build()); |
| builder.setPartitionType(partitionType); |
| builder.setExpression(expression); |
| builder.setExpressionSchema(expressionSchema.getProto()); |
| return builder.build(); |
| } |
| |
| |
| public Object clone() throws CloneNotSupportedException { |
| PartitionMethodDesc desc = (PartitionMethodDesc) super.clone(); |
| desc.tableName = tableName; |
| desc.partitionType = partitionType; |
| desc.expression = expression; |
| desc.expressionSchema = (Schema) expressionSchema.clone(); |
| return desc; |
| } |
| |
| public String toString() { |
| Gson gson = new GsonBuilder().setPrettyPrinting(). |
| excludeFieldsWithoutExposeAnnotation().create(); |
| return gson.toJson(this); |
| } |
| |
| @Override |
| public String toJson() { |
| return CatalogGsonHelper.toJson(this, PartitionMethodDesc.class); |
| } |
| |
| public static PartitionMethodDesc fromJson(String strVal) { |
| return strVal != null ? CatalogGsonHelper.fromJson(strVal, PartitionMethodDesc.class) : null; |
| } |
| } |