| <?php |
| /* |
| * 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. |
| */ |
| |
| namespace Apache\Ignite\Internal\Binary; |
| |
| use Apache\Ignite\Type\ObjectType; |
| use Apache\Ignite\Exception\ClientException; |
| |
| class BinaryObjectField |
| { |
| private $name; |
| private $id; |
| private $value; |
| private $type; |
| private $typeCode; |
| |
| private $communicator; |
| private $buffer; |
| private $offset; |
| private $length; |
| |
| public function __construct(?string $name, $value = null, $type = null) |
| { |
| $this->name = $name; |
| $this->id = BinaryField::calculateId($name); |
| $this->value = $value; |
| $this->type = $type; |
| if (!$type && $value !== null) { |
| $this->type = BinaryUtils::calcObjectType($value); |
| } |
| $this->typeCode = $this->type ? BinaryUtils::getTypeCode($this->type) : 0; |
| } |
| |
| public function getId(): int |
| { |
| return $this->id; |
| } |
| |
| public function getTypeCode(): int |
| { |
| return $this->typeCode; |
| } |
| |
| public function getValue($type = null) |
| { |
| if ($this->buffer && ($this->value === null || $this->type !== $type)) { |
| $this->buffer->setPosition($this->offset); |
| $this->value = $this->communicator->readObject($this->buffer, $type); |
| $this->type = $type; |
| } |
| return $this->value; |
| } |
| |
| public static function fromBuffer(BinaryCommunicator $communicator, MessageBuffer $buffer, int $offset, int $length, int $id): BinaryObjectField |
| { |
| $result = new BinaryObjectField(null); |
| $result->id = $id; |
| $result->communicator = $communicator; |
| $result->buffer = $buffer; |
| $result->offset = $offset; |
| $result->length = $length; |
| return $result; |
| } |
| |
| public function writeValue(BinaryCommunicator $communicator, MessageBuffer $buffer, int $expectedTypeCode): void |
| { |
| $offset = $buffer->getPosition(); |
| if ($this->buffer && $this->communicator === $communicator) { |
| $buffer->writeBuffer($this->buffer, $this->offset, $this->length); |
| } else { |
| if (!$this->value) { |
| $this->getValue($expectedTypeCode); |
| } |
| BinaryUtils::checkCompatibility($this->value, $expectedTypeCode); |
| $communicator->writeObject($buffer, $this->value, $this->type); |
| } |
| $this->communicator = $communicator; |
| $this->buffer = $buffer; |
| $this->length = $buffer->getPosition() - $offset; |
| $this->offset = $offset; |
| } |
| |
| public function writeOffset(MessageBuffer $buffer, int $headerStartPos, int $offsetType): void |
| { |
| $buffer->writeNumber($this->offset - $headerStartPos, $offsetType, false); |
| } |
| |
| public function getOffsetType(int $headerStartPos): int |
| { |
| $offset = $this->offset - $headerStartPos; |
| if ($offset < TypeInfo::getTypeInfo(ObjectType::BYTE)->getMaxUnsignedValue()) { |
| return ObjectType::BYTE; |
| } elseif ($offset < TypeInfo::getTypeInfo(ObjectType::SHORT)->getMaxUnsignedValue()) { |
| return ObjectType::SHORT; |
| } |
| return ObjectType::INTEGER; |
| } |
| } |