<?php
namespace Aws\Api;
/**
* Represents a structure shape and resolve member shape references.
*/
class StructureShape extends Shape
{
/**
* @var Shape[]
*/
private $members;
public function __construct(array $definition, ShapeMap $shapeMap)
{
$definition['type'] = 'structure';
if (!isset($definition['members'])) {
$definition['members'] = [];
}
parent::__construct($definition, $shapeMap);
}
/**
* Gets a list of all members
*
* @return Shape[]
*/
public function getMembers()
{
if (empty($this->members)) {
$this->generateMembersHash();
}
return $this->members;
}
/**
* Check if a specific member exists by name.
*
* @param string $name Name of the member to check
*
* @return bool
*/
public function hasMember($name)
{
return isset($this->definition['members'][$name]);
}
/**
* Retrieve a member by name.
*
* @param string $name Name of the member to retrieve
*
* @return Shape
* @throws \InvalidArgumentException if the member is not found.
*/
public function getMember($name)
{
$members = $this->getMembers();
if (!isset($members[$name])) {
throw new \InvalidArgumentException('Unknown member ' . $name);
}
return $members[$name];
}
private function generateMembersHash()
{
$this->members = [];
foreach ($this->definition['members'] as $name => $definition) {
$this->members[$name] = $this->shapeFor($definition);
}
}
}
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