| /* |
| * 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.phoenix.parse; |
| |
| import org.apache.hadoop.hbase.HConstants; |
| import org.apache.phoenix.coprocessor.generated.PSchemaProtos; |
| import org.apache.phoenix.schema.PMetaDataEntity; |
| import org.apache.phoenix.schema.PName; |
| import org.apache.phoenix.schema.PNameFactory; |
| import org.apache.phoenix.schema.PTableKey; |
| import org.apache.phoenix.util.SchemaUtil; |
| import org.apache.phoenix.util.SizedUtil; |
| |
| public class PSchema implements PMetaDataEntity { |
| |
| private final PName schemaName; |
| private PTableKey schemaKey; |
| private long timeStamp; |
| private int estimatedSize; |
| |
| public PSchema(long timeStamp) { // For index delete marker |
| this.timeStamp = timeStamp; |
| this.schemaName = null; |
| } |
| |
| public PSchema(String schemaName) { |
| this(schemaName, HConstants.LATEST_TIMESTAMP); |
| } |
| |
| public PSchema(String schemaName, long timeStamp) { |
| this.schemaName = PNameFactory.newName(SchemaUtil.normalizeIdentifier(schemaName)); |
| this.schemaKey = new PTableKey(null, this.schemaName.getString()); |
| this.timeStamp = timeStamp; |
| this.estimatedSize = SizedUtil.INT_SIZE + SizedUtil.LONG_SIZE + PNameFactory.getEstimatedSize(this.schemaName); |
| } |
| |
| public PSchema(PSchema schema) { |
| this(schema.getSchemaName().toString(), schema.getTimeStamp()); |
| } |
| |
| public String getSchemaName() { |
| return schemaName == null ? null : schemaName.getString(); |
| } |
| |
| public PTableKey getSchemaKey() { |
| return schemaKey; |
| } |
| |
| public long getTimeStamp() { |
| return timeStamp; |
| } |
| |
| public static PSchemaProtos.PSchema toProto(PSchema schema) { |
| PSchemaProtos.PSchema.Builder builder = PSchemaProtos.PSchema.newBuilder(); |
| builder.setSchemaName(schema.getSchemaName()); |
| builder.setTimeStamp(schema.getTimeStamp()); |
| return builder.build(); |
| } |
| |
| public static PSchema createFromProto(PSchemaProtos.PSchema schema) { |
| long timeStamp = schema.getTimeStamp(); |
| String schemaName = schema.getSchemaName(); |
| return new PSchema(schemaName, timeStamp); |
| } |
| |
| public int getEstimatedSize() { |
| return estimatedSize; |
| } |
| |
| } |
| |