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1 <?php
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2 /*
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3 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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4 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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5 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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6 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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7 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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8 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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9 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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10 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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11 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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12 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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13 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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14 *
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15 * This software consists of voluntary contributions made by many individuals
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16 * and is licensed under the MIT license. For more information, see
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17 * <http://www.doctrine-project.org>.
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18 */
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19
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20 namespace Doctrine\Common\Persistence;
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21
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22 /**
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23 * Interface for proxy classes.
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24 *
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25 * @author Roman Borschel <roman@code-factory.org>
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26 * @since 2.2
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27 */
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28 interface Proxy
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29 {
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30 /**
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31 * Marker for Proxy class names.
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32 *
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33 * @var string
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34 */
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35 const MARKER = '__CG__';
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36
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37 /**
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38 * Length of the proxy marker.
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39 *
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40 * @var integer
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41 */
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42 const MARKER_LENGTH = 6;
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43
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44 /**
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45 * Initializes this proxy if its not yet initialized.
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46 *
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47 * Acts as a no-op if already initialized.
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48 *
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49 * @return void
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50 */
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51 public function __load();
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52
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53 /**
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54 * Returns whether this proxy is initialized or not.
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55 *
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56 * @return bool
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57 */
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58 public function __isInitialized();
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59 }
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