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1 <?php
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2
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3 /*
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4 * This file is part of the Symfony package.
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5 *
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6 * (c) Fabien Potencier <fabien@symfony.com>
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7 *
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8 * For the full copyright and license information, please view the LICENSE
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9 * file that was distributed with this source code.
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10 */
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11
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12 namespace Symfony\Component\DependencyInjection\Compiler;
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13
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14 /**
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15 * Represents an edge in your service graph.
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16 *
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17 * Value is typically a reference.
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18 *
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19 * @author Johannes M. Schmitt <schmittjoh@gmail.com>
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20 */
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21 class ServiceReferenceGraphEdge
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22 {
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23 private $sourceNode;
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24 private $destNode;
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25 private $value;
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26 private $lazy;
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27 private $weak;
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28
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29 /**
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30 * @param ServiceReferenceGraphNode $sourceNode
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31 * @param ServiceReferenceGraphNode $destNode
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32 * @param mixed $value
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33 * @param bool $lazy
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34 * @param bool $weak
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35 */
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36 public function __construct(ServiceReferenceGraphNode $sourceNode, ServiceReferenceGraphNode $destNode, $value = null, $lazy = false, $weak = false)
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37 {
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38 $this->sourceNode = $sourceNode;
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39 $this->destNode = $destNode;
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40 $this->value = $value;
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41 $this->lazy = $lazy;
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42 $this->weak = $weak;
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43 }
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44
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45 /**
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46 * Returns the value of the edge.
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47 *
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48 * @return string
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49 */
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50 public function getValue()
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51 {
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52 return $this->value;
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53 }
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54
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55 /**
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56 * Returns the source node.
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57 *
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58 * @return ServiceReferenceGraphNode
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59 */
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60 public function getSourceNode()
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61 {
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62 return $this->sourceNode;
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63 }
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64
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65 /**
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66 * Returns the destination node.
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67 *
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68 * @return ServiceReferenceGraphNode
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69 */
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70 public function getDestNode()
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71 {
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72 return $this->destNode;
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73 }
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74
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75 /**
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76 * Returns true if the edge is lazy, meaning it's a dependency not requiring direct instantiation.
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77 *
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78 * @return bool
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79 */
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80 public function isLazy()
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81 {
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82 return $this->lazy;
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83 }
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84
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85 /**
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86 * Returns true if the edge is weak, meaning it shouldn't prevent removing the target service.
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87 *
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88 * @return bool
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89 */
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90 public function isWeak()
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91 {
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92 return $this->weak;
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93 }
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94 }
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