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| 1 | +package com.clickhouse.client.api.data_formats; |
| 2 | + |
| 3 | +import com.clickhouse.client.api.data_formats.internal.SerializerUtils; |
| 4 | +import com.clickhouse.data.ClickHouseColumn; |
| 5 | +import com.clickhouse.data.ClickHouseDataType; |
| 6 | +import com.clickhouse.data.ClickHouseFormat; |
| 7 | +import com.clickhouse.data.format.BinaryStreamUtils; |
| 8 | + |
| 9 | +import java.io.IOException; |
| 10 | +import java.io.OutputStream; |
| 11 | +import java.math.BigDecimal; |
| 12 | +import java.math.BigInteger; |
| 13 | +import java.net.Inet4Address; |
| 14 | +import java.net.Inet6Address; |
| 15 | +import java.time.ZonedDateTime; |
| 16 | + |
| 17 | +/** |
| 18 | + * This class is intended to be used for very precise data serializations. |
| 19 | + * It is an auxiliary class to handle only low level write operations. |
| 20 | + */ |
| 21 | +public class RowBinaryFormatSerializer { |
| 22 | + |
| 23 | + private OutputStream out; |
| 24 | + |
| 25 | + public RowBinaryFormatSerializer(OutputStream out) { |
| 26 | + this.out = out; |
| 27 | + } |
| 28 | + |
| 29 | + public void writeNull() throws IOException { |
| 30 | + SerializerUtils.writeNull(out); |
| 31 | + } |
| 32 | + |
| 33 | + public void writeNotNull() throws IOException { |
| 34 | + SerializerUtils.writeNonNull(out); |
| 35 | + } |
| 36 | + |
| 37 | + public void writeDefault() throws IOException { |
| 38 | + SerializerUtils.writeBoolean(out, true); |
| 39 | + } |
| 40 | + |
| 41 | + public void writeInt8(byte value) throws IOException { |
| 42 | + BinaryStreamUtils.writeInt8(out, value); |
| 43 | + } |
| 44 | + |
| 45 | + public void writeUInt8(short value) throws IOException { |
| 46 | + BinaryStreamUtils.writeUnsignedInt8(out, value); |
| 47 | + } |
| 48 | + |
| 49 | + public void writeInt16(short value) throws IOException { |
| 50 | + BinaryStreamUtils.writeInt16(out, value); |
| 51 | + } |
| 52 | + |
| 53 | + public void writeUInt16(int value) throws IOException { |
| 54 | + BinaryStreamUtils.writeUnsignedInt16(out, value); |
| 55 | + } |
| 56 | + |
| 57 | + public void writeInt32(int value) throws IOException { |
| 58 | + BinaryStreamUtils.writeInt32(out, value); |
| 59 | + } |
| 60 | + |
| 61 | + public void writeUInt32(long value) throws IOException { |
| 62 | + BinaryStreamUtils.writeUnsignedInt32(out, value); |
| 63 | + } |
| 64 | + |
| 65 | + public void writeInt64(long value) throws IOException { |
| 66 | + BinaryStreamUtils.writeInt64(out, value); |
| 67 | + } |
| 68 | + |
| 69 | + public void writeUInt64(BigInteger value) throws IOException { |
| 70 | + BinaryStreamUtils.writeUnsignedInt64(out, value); |
| 71 | + } |
| 72 | + |
| 73 | + public void writeInt128(BigInteger value) throws IOException { |
| 74 | + BinaryStreamUtils.writeInt128(out, value); |
| 75 | + } |
| 76 | + |
| 77 | + public void writeUInt128(BigInteger value) throws IOException { |
| 78 | + BinaryStreamUtils.writeUnsignedInt128(out, value); |
| 79 | + } |
| 80 | + |
| 81 | + public void writeInt256(BigInteger value) throws IOException { |
| 82 | + BinaryStreamUtils.writeInt256(out, value); |
| 83 | + } |
| 84 | + |
| 85 | + public void writeUInt256(BigInteger value) throws IOException { |
| 86 | + BinaryStreamUtils.writeUnsignedInt128(out, value); |
| 87 | + } |
| 88 | + |
| 89 | + public void writeBool(boolean value) throws IOException { |
| 90 | + BinaryStreamUtils.writeBoolean(out, value); |
| 91 | + } |
| 92 | + |
| 93 | + public void writeFloat32(float value) throws IOException { |
| 94 | + BinaryStreamUtils.writeFloat32(out, value); |
| 95 | + } |
| 96 | + |
| 97 | + public void writeFloat64(double value) throws IOException { |
| 98 | + BinaryStreamUtils.writeFloat64(out, value); |
| 99 | + } |
| 100 | + |
| 101 | + public void writeDecimal(BigDecimal value, int precision, int scale) throws IOException { |
| 102 | + BinaryStreamUtils.writeDecimal(out, value, precision, scale); |
| 103 | + } |
| 104 | + |
| 105 | + public void writeDecimal32(BigDecimal value, int scale) throws IOException { |
| 106 | + BinaryStreamUtils.writeDecimal32(out, value, scale); |
| 107 | + } |
| 108 | + |
| 109 | + public void writeDecimal64(BigDecimal value, int scale) throws IOException { |
| 110 | + BinaryStreamUtils.writeDecimal64(out, value, scale); |
| 111 | + } |
| 112 | + |
| 113 | + public void writeDecimal128(BigDecimal value, int scale) throws IOException { |
| 114 | + BinaryStreamUtils.writeDecimal128(out, value, scale); |
| 115 | + } |
| 116 | + |
| 117 | + public void writeDecimal256(BigDecimal value, int scale) throws IOException { |
| 118 | + BinaryStreamUtils.writeDecimal256(out, value, scale); |
| 119 | + } |
| 120 | + |
| 121 | + public void writeString(String value) throws IOException { |
| 122 | + BinaryStreamUtils.writeString(out, value); |
| 123 | + } |
| 124 | + |
| 125 | + public void writeFixedString(String value, int len) throws IOException { |
| 126 | + BinaryStreamUtils.writeFixedString(out, value, len); |
| 127 | + } |
| 128 | + |
| 129 | + public void writeDate(ZonedDateTime value) throws IOException { |
| 130 | + |
| 131 | + } |
| 132 | + |
| 133 | + public void writeDate32(ZonedDateTime value) throws IOException { |
| 134 | + |
| 135 | + } |
| 136 | + |
| 137 | + public void writeDateTime(ZonedDateTime value) throws IOException { |
| 138 | + |
| 139 | + } |
| 140 | + |
| 141 | + public void writeDateTime64(ZonedDateTime value) throws IOException { |
| 142 | + |
| 143 | + } |
| 144 | + |
| 145 | + public void writeEnum8(byte value) throws IOException { |
| 146 | + BinaryStreamUtils.writeEnum8(out, value); |
| 147 | + } |
| 148 | + |
| 149 | + public void writeEnum16(short value) throws IOException { |
| 150 | + BinaryStreamUtils.writeEnum16(out, value); |
| 151 | + } |
| 152 | + |
| 153 | + public void writeUUID(long leastSignificantBits, long mostSignificantBits) throws IOException { |
| 154 | + BinaryStreamUtils.writeInt64(out, mostSignificantBits); |
| 155 | + BinaryStreamUtils.writeInt64(out, leastSignificantBits); |
| 156 | + |
| 157 | + } |
| 158 | + |
| 159 | + public void writeIPV4Address(Inet4Address value) throws IOException { |
| 160 | + BinaryStreamUtils.writeInet4Address(out, value); |
| 161 | + } |
| 162 | + |
| 163 | + public void writeIPV6Address(Inet6Address value) throws IOException { |
| 164 | + BinaryStreamUtils.writeInet6Address(out, value); |
| 165 | + } |
| 166 | + |
| 167 | + public void writeArray() throws IOException { |
| 168 | + |
| 169 | + } |
| 170 | + |
| 171 | + public void writeTuple() throws IOException { |
| 172 | + |
| 173 | + } |
| 174 | + |
| 175 | + public void writeMap() throws IOException { |
| 176 | + |
| 177 | + } |
| 178 | + |
| 179 | + public void writeAggregationFunction() throws IOException { |
| 180 | + |
| 181 | + } |
| 182 | + |
| 183 | + public void writeSimpleFunction() throws IOException { |
| 184 | + |
| 185 | + } |
| 186 | + |
| 187 | + public void writeGeoPoint() throws IOException { |
| 188 | + |
| 189 | + } |
| 190 | + |
| 191 | + public void writeGeoRing() throws IOException { |
| 192 | + |
| 193 | + } |
| 194 | + |
| 195 | + public void writeGeoLineString() throws IOException { |
| 196 | + |
| 197 | + } |
| 198 | + |
| 199 | + public void writeGeoMultiLineString() throws IOException { |
| 200 | + |
| 201 | + } |
| 202 | + |
| 203 | + public void writeGeoPolygon() throws IOException { |
| 204 | + |
| 205 | + } |
| 206 | + |
| 207 | + public void writeGeoMultiPolygon() throws IOException { |
| 208 | + |
| 209 | + } |
| 210 | + |
| 211 | + public void writeNested() throws IOException { |
| 212 | + |
| 213 | + } |
| 214 | + |
| 215 | + public static boolean writeValuePreamble(OutputStream out, boolean defaultsSupport, ClickHouseColumn column, Object value) throws IOException { |
| 216 | + return writeValuePreamble(out, defaultsSupport, value, column.isNullable(), column.getDataType(), column.hasDefault(), column.getColumnName()); |
| 217 | + } |
| 218 | + |
| 219 | + public static boolean writeValuePreamble(OutputStream out, boolean defaultsSupport, Object value, boolean isNullable, ClickHouseDataType dataType, boolean hasDefault, String column) throws IOException { |
| 220 | + if (defaultsSupport) { |
| 221 | + if (value != null) {//Because we now support defaults, we have to send nonNull |
| 222 | + SerializerUtils.writeNonNull(out);//Write 0 for no default |
| 223 | + |
| 224 | + if (isNullable) {//If the column is nullable |
| 225 | + SerializerUtils.writeNonNull(out);//Write 0 for not null |
| 226 | + } |
| 227 | + } else {//So if the object is null |
| 228 | + if (hasDefault) { |
| 229 | + SerializerUtils.writeNull(out);//Send 1 for default |
| 230 | + return false; |
| 231 | + } else if (isNullable) {//And the column is nullable |
| 232 | + SerializerUtils.writeNonNull(out); |
| 233 | + SerializerUtils.writeNull(out);//Then we send null, write 1 |
| 234 | + return false;//And we're done |
| 235 | + } else if (dataType == ClickHouseDataType.Array) {//If the column is an array |
| 236 | + SerializerUtils.writeNonNull(out);//Then we send nonNull |
| 237 | + } else { |
| 238 | + throw new IllegalArgumentException(String.format("An attempt to write null into not nullable column '%s'", column)); |
| 239 | + } |
| 240 | + } |
| 241 | + } else { |
| 242 | + if (isNullable) { |
| 243 | + if (value == null) { |
| 244 | + SerializerUtils.writeNull(out); |
| 245 | + return false; |
| 246 | + } |
| 247 | + SerializerUtils.writeNonNull(out); |
| 248 | + } else if (value == null) { |
| 249 | + if (dataType == ClickHouseDataType.Array) { |
| 250 | + SerializerUtils.writeNonNull(out); |
| 251 | + } else { |
| 252 | + throw new IllegalArgumentException(String.format("An attempt to write null into not nullable column '%s'", column)); |
| 253 | + } |
| 254 | + } |
| 255 | + } |
| 256 | + |
| 257 | + return true; |
| 258 | + } |
| 259 | +} |
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