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<h2 title="Interface JsonMergePatch" class="title">Interface JsonMergePatch</h2>
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<pre>public interface <span class="typeNameLabel">JsonMergePatch</span></pre>
<div class="block"><p>This interface represents an implementation of a JSON Merge Patch
as defined by <a href="http://tools.ietf.org/html/rfc7396">RFC 7396</a>.
</p>
<p>A <code>JsonMergePatch</code> can be instantiated with <a href="Json.html#createMergePatch(jakarta.json.JsonValue)"><code>Json.createMergePatch(JsonValue)</code></a>
by specifying the patch operations in a JSON Merge Patch or using <a href="Json.html#createMergeDiff(jakarta.json.JsonValue,jakarta.json.JsonValue)"><code>Json.createMergeDiff(JsonValue, JsonValue)</code></a>
to create a JSON Merge Patch based on the difference between two <code>JsonValue</code>s.
</p>
The following illustrates both approaches.
<p>1. Construct a JsonMergePatch with an existing JSON Merge Patch.
<pre><code>
JsonValue contacts = ... ; // The target to be patched
JsonValue patch = ... ; // JSON Merge Patch
JsonMergePatch mergePatch = Json.createMergePatch(patch);
JsonValue result = mergePatch.apply(contacts);
</code> </pre>
2. Construct a JsonMergePatch from a difference between two <code>JsonValue</code>s.
<pre><code>
JsonValue source = ... ; // The source object
JsonValue target = ... ; // The modified object
JsonMergePatch mergePatch = Json.createMergeDiff(source, target); // The diff between source and target in a Json Merge Patch format
</code> </pre></div>
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<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>1.1</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="http://tools.ietf.org/html/rfc7396">RFC 7396</a></dd>
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<td class="colFirst"><code><a href="JsonValue.html" title="interface in jakarta.json">JsonValue</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#apply(jakarta.json.JsonValue)">apply</a></span>&#8203;(<a href="JsonValue.html" title="interface in jakarta.json">JsonValue</a>&nbsp;target)</code></th>
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<div class="block">Applies the JSON Merge Patch to the specified <code>target</code>.</div>
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<td class="colFirst"><code><a href="JsonValue.html" title="interface in jakarta.json">JsonValue</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toJsonValue()">toJsonValue</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns the <code>JsonMergePatch</code> as <code>JsonValue</code>.</div>
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<h4>apply</h4>
<pre class="methodSignature"><a href="JsonValue.html" title="interface in jakarta.json">JsonValue</a>&nbsp;apply&#8203;(<a href="JsonValue.html" title="interface in jakarta.json">JsonValue</a>&nbsp;target)</pre>
<div class="block">Applies the JSON Merge Patch to the specified <code>target</code>.
The target is not modified by the patch.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>target</code> - the target to apply the merge patch</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the transformed target after the patch</dd>
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<h4>toJsonValue</h4>
<pre class="methodSignature"><a href="JsonValue.html" title="interface in jakarta.json">JsonValue</a>&nbsp;toJsonValue()</pre>
<div class="block">Returns the <code>JsonMergePatch</code> as <code>JsonValue</code>.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>this <code>JsonMergePatch</code> as <code>JsonValue</code></dd>
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