| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> |
| <!-- NewPage --> |
| <html lang="en"> |
| <head> |
| <title>AttributeConverter</title> |
| <link rel="stylesheet" type="text/css" href="../../stylesheet.css" title="Style"> |
| <script type="text/javascript" src="../../script.js"></script> |
| |
| <link rel="shortcut icon" href="/img/jakarta-favicon.ico"> |
| </head> |
| <body> |
| <script type="text/javascript"><!-- |
| try { |
| if (location.href.indexOf('is-external=true') == -1) { |
| parent.document.title="AttributeConverter"; |
| } |
| } |
| catch(err) { |
| } |
| //--> |
| var methods = {"i0":6,"i1":6}; |
| var tabs = {65535:["t0","All Methods"],2:["t2","Instance Methods"],4:["t3","Abstract Methods"]}; |
| var altColor = "altColor"; |
| var rowColor = "rowColor"; |
| var tableTab = "tableTab"; |
| var activeTableTab = "activeTableTab"; |
| </script> |
| <noscript> |
| <div>JavaScript is disabled on your browser.</div> |
| </noscript> |
| <!-- ========= START OF TOP NAVBAR ======= --> |
| <div class="topNav"><a name="navbar.top"> |
| <!-- --> |
| </a> |
| <div class="skipNav"><a href="#skip.navbar.top" title="Skip navigation links">Skip navigation links</a></div> |
| <a name="navbar.top.firstrow"> |
| <!-- --> |
| </a> |
| <ul class="navList" title="Navigation"> |
| <li><a href="../../overview-summary.html">Overview</a></li> |
| <li><a href="package-summary.html">Package</a></li> |
| <li class="navBarCell1Rev">Class</li> |
| <li><a href="package-tree.html">Tree</a></li> |
| <li><a href="../../deprecated-list.html">Deprecated</a></li> |
| <li><a href="../../index-all.html">Index</a></li> |
| <li><a href="../../help-doc.html">Help</a></li> |
| </ul> |
| </div> |
| <div class="subNav"> |
| <ul class="navList"> |
| <li><a href="../../jakarta/persistence/AssociationOverrides.html" title="annotation in jakarta.persistence"><span class="typeNameLink">Prev Class</span></a></li> |
| <li><a href="../../jakarta/persistence/AttributeNode.html" title="interface in jakarta.persistence"><span class="typeNameLink">Next Class</span></a></li> |
| </ul> |
| <ul class="navList"> |
| <li><a href="../../index.html?jakarta/persistence/AttributeConverter.html" target="_top">Frames</a></li> |
| <li><a href="AttributeConverter.html" target="_top">No Frames</a></li> |
| </ul> |
| <ul class="navList" id="allclasses_navbar_top"> |
| <li><a href="../../allclasses-noframe.html">All Classes</a></li> |
| </ul> |
| <div> |
| <script type="text/javascript"><!-- |
| allClassesLink = document.getElementById("allclasses_navbar_top"); |
| if(window==top) { |
| allClassesLink.style.display = "block"; |
| } |
| else { |
| allClassesLink.style.display = "none"; |
| } |
| //--> |
| </script> |
| </div> |
| <div> |
| <ul class="subNavList"> |
| <li>Summary: </li> |
| <li>Nested | </li> |
| <li>Field | </li> |
| <li>Constr | </li> |
| <li><a href="#method.summary">Method</a></li> |
| </ul> |
| <ul class="subNavList"> |
| <li>Detail: </li> |
| <li>Field | </li> |
| <li>Constr | </li> |
| <li><a href="#method.detail">Method</a></li> |
| </ul> |
| </div> |
| <a name="skip.navbar.top"> |
| <!-- --> |
| </a></div> |
| <!-- ========= END OF TOP NAVBAR ========= --> |
| <!-- ======== START OF CLASS DATA ======== --> |
| <div class="header"> |
| <div class="subTitle">jakarta.persistence</div> |
| <h2 title="Interface AttributeConverter" class="title">Interface AttributeConverter<X,Y></h2> |
| </div> |
| <div class="contentContainer"> |
| <div class="description"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <dl> |
| <dt><span class="paramLabel">Type Parameters:</span></dt> |
| <dd><code>X</code> - the type of the entity attribute</dd> |
| <dd><code>Y</code> - the type of the database column</dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>public interface <span class="typeNameLabel">AttributeConverter<X,Y></span></pre> |
| <div class="block">A class that implements this interface can be used to convert |
| entity attribute state into database column representation |
| and back again. |
| Note that the X and Y types may be the same Java type.</div> |
| </li> |
| </ul> |
| </div> |
| <div class="summary"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.summary"> |
| <!-- --> |
| </a> |
| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code><a href="../../jakarta/persistence/AttributeConverter.html" title="type parameter in AttributeConverter">Y</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../jakarta/persistence/AttributeConverter.html#convertToDatabaseColumn-X-">convertToDatabaseColumn</a></span>(<a href="../../jakarta/persistence/AttributeConverter.html" title="type parameter in AttributeConverter">X</a> attribute)</code> |
| <div class="block">Converts the value stored in the entity attribute into the |
| data representation to be stored in the database.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="../../jakarta/persistence/AttributeConverter.html" title="type parameter in AttributeConverter">X</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../jakarta/persistence/AttributeConverter.html#convertToEntityAttribute-Y-">convertToEntityAttribute</a></span>(<a href="../../jakarta/persistence/AttributeConverter.html" title="type parameter in AttributeConverter">Y</a> dbData)</code> |
| <div class="block">Converts the data stored in the database column into the |
| value to be stored in the entity attribute.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ============ METHOD DETAIL ========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.detail"> |
| <!-- --> |
| </a> |
| <h3>Method Detail</h3> |
| <a name="convertToDatabaseColumn-java.lang.Object-"> |
| <!-- --> |
| </a><a name="convertToDatabaseColumn-X-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>convertToDatabaseColumn</h4> |
| <pre><a href="../../jakarta/persistence/AttributeConverter.html" title="type parameter in AttributeConverter">Y</a> convertToDatabaseColumn(<a href="../../jakarta/persistence/AttributeConverter.html" title="type parameter in AttributeConverter">X</a> attribute)</pre> |
| <div class="block">Converts the value stored in the entity attribute into the |
| data representation to be stored in the database.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>attribute</code> - the entity attribute value to be converted</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the converted data to be stored in the database |
| column</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="convertToEntityAttribute-java.lang.Object-"> |
| <!-- --> |
| </a><a name="convertToEntityAttribute-Y-"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>convertToEntityAttribute</h4> |
| <pre><a href="../../jakarta/persistence/AttributeConverter.html" title="type parameter in AttributeConverter">X</a> convertToEntityAttribute(<a href="../../jakarta/persistence/AttributeConverter.html" title="type parameter in AttributeConverter">Y</a> dbData)</pre> |
| <div class="block">Converts the data stored in the database column into the |
| value to be stored in the entity attribute. |
| Note that it is the responsibility of the converter writer to |
| specify the correct <code>dbData</code> type for the corresponding |
| column for use by the JDBC driver: i.e., persistence providers are |
| not expected to do such type conversion.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>dbData</code> - the data from the database column to be |
| converted</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the converted value to be stored in the entity |
| attribute</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| </div> |
| <!-- ========= END OF CLASS DATA ========= --> |
| <!-- ======= START OF BOTTOM NAVBAR ====== --> |
| <div class="bottomNav"><a name="navbar.bottom"> |
| <!-- --> |
| </a> |
| <div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation links">Skip navigation links</a></div> |
| <a name="navbar.bottom.firstrow"> |
| <!-- --> |
| </a> |
| <ul class="navList" title="Navigation"> |
| <li><a href="../../overview-summary.html">Overview</a></li> |
| <li><a href="package-summary.html">Package</a></li> |
| <li class="navBarCell1Rev">Class</li> |
| <li><a href="package-tree.html">Tree</a></li> |
| <li><a href="../../deprecated-list.html">Deprecated</a></li> |
| <li><a href="../../index-all.html">Index</a></li> |
| <li><a href="../../help-doc.html">Help</a></li> |
| </ul> |
| </div> |
| <div class="subNav"> |
| <ul class="navList"> |
| <li><a href="../../jakarta/persistence/AssociationOverrides.html" title="annotation in jakarta.persistence"><span class="typeNameLink">Prev Class</span></a></li> |
| <li><a href="../../jakarta/persistence/AttributeNode.html" title="interface in jakarta.persistence"><span class="typeNameLink">Next Class</span></a></li> |
| </ul> |
| <ul class="navList"> |
| <li><a href="../../index.html?jakarta/persistence/AttributeConverter.html" target="_top">Frames</a></li> |
| <li><a href="AttributeConverter.html" target="_top">No Frames</a></li> |
| </ul> |
| <ul class="navList" id="allclasses_navbar_bottom"> |
| <li><a href="../../allclasses-noframe.html">All Classes</a></li> |
| </ul> |
| <div> |
| <script type="text/javascript"><!-- |
| allClassesLink = document.getElementById("allclasses_navbar_bottom"); |
| if(window==top) { |
| allClassesLink.style.display = "block"; |
| } |
| else { |
| allClassesLink.style.display = "none"; |
| } |
| //--> |
| </script> |
| </div> |
| <div> |
| <ul class="subNavList"> |
| <li>Summary: </li> |
| <li>Nested | </li> |
| <li>Field | </li> |
| <li>Constr | </li> |
| <li><a href="#method.summary">Method</a></li> |
| </ul> |
| <ul class="subNavList"> |
| <li>Detail: </li> |
| <li>Field | </li> |
| <li>Constr | </li> |
| <li><a href="#method.detail">Method</a></li> |
| </ul> |
| </div> |
| <a name="skip.navbar.bottom"> |
| <!-- --> |
| </a></div> |
| <!-- ======== END OF BOTTOM NAVBAR ======= --> |
| </body> |
| </html> |