| /* |
| * 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.queryengine.plan.statement.literal; |
| |
| import org.apache.iotdb.tsfile.common.conf.TSFileConfig; |
| import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType; |
| import org.apache.iotdb.tsfile.utils.Binary; |
| import org.apache.iotdb.tsfile.utils.ReadWriteIOUtils; |
| |
| import java.io.DataOutputStream; |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.util.Objects; |
| |
| public class StringLiteral extends Literal { |
| private final String value; |
| |
| public StringLiteral(String value) { |
| this.value = value; |
| } |
| |
| public String getValue() { |
| return value; |
| } |
| |
| @Override |
| public void serialize(ByteBuffer byteBuffer) { |
| ReadWriteIOUtils.write(LiteralType.STRING.ordinal(), byteBuffer); |
| ReadWriteIOUtils.write(value, byteBuffer); |
| } |
| |
| @Override |
| public void serialize(DataOutputStream stream) throws IOException { |
| ReadWriteIOUtils.write(LiteralType.STRING.ordinal(), stream); |
| ReadWriteIOUtils.write(value, stream); |
| } |
| |
| @Override |
| public boolean isDataTypeConsistency(TSDataType dataType) { |
| return dataType == TSDataType.TEXT; |
| } |
| |
| @Override |
| public String getDataTypeString() { |
| return TSDataType.TEXT.toString(); |
| } |
| |
| @Override |
| public Binary getBinary() { |
| return new Binary(value, TSFileConfig.STRING_CHARSET); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| StringLiteral that = (StringLiteral) o; |
| return Objects.equals(value, that.value); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(value); |
| } |
| |
| @Override |
| public String toString() { |
| return String.format("\"%s\"", value.replace("\"", "'")); |
| } |
| } |