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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.tamaya.spisupport</a></div> |
| <h2 title="Interface MetadataProvider" class="title">Interface MetadataProvider</h2> |
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| <dd><code><a href="DefaultMetaDataProvider.html" title="class in org.apache.tamaya.spisupport">DefaultMetaDataProvider</a></code></dd> |
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| <pre>public interface <span class="typeNameLabel">MetadataProvider</span></pre> |
| <div class="block">This interface allows to plugin different metadata mechanism. The default implementation |
| does load metadata information along the same property sources hierarchy as configuration. |
| MetaData entries are in the format <code>[(META)key].metakey=metavalue</code>. Alternate implementations can |
| choose whatever is appropriate, including loading metadata from external sources.</div> |
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| <h3>Method Summary</h3> |
| <table class="memberSummary"> |
| <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="colSecond" scope="col">Method</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util" class="externalLink">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>,​<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getMetaData(java.lang.String)">getMetaData</a></span>​(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> key)</code></th> |
| <td class="colLast"> |
| <div class="block">Access the current metadata for the given configuration context and key.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="MetadataProvider.html" title="interface in org.apache.tamaya.spisupport">MetadataProvider</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#init(org.apache.tamaya.spi.ConfigurationContext)">init</a></span>​(<a href="../spi/ConfigurationContext.html" title="interface in org.apache.tamaya.spi">ConfigurationContext</a> context)</code></th> |
| <td class="colLast"> |
| <div class="block">Initializes the provider with the given context.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="MetadataProvider.html" title="interface in org.apache.tamaya.spisupport">MetadataProvider</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#reset()">reset</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Resets this instance, which means it reloads metadata based on the given context and</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="MetadataProvider.html" title="interface in org.apache.tamaya.spisupport">MetadataProvider</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#reset(java.lang.String)">reset</a></span>​(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> property)</code></th> |
| <td class="colLast"> |
| <div class="block">Resets metadata for a property, which means it reloads metadata based on the given context and</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="MetadataProvider.html" title="interface in org.apache.tamaya.spisupport">MetadataProvider</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setMeta(java.lang.String,java.lang.String,java.lang.String)">setMeta</a></span>​(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> property, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> key, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> value)</code></th> |
| <td class="colLast"> |
| <div class="block">Adds additional metadata.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><a href="MetadataProvider.html" title="interface in org.apache.tamaya.spisupport">MetadataProvider</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setMeta(java.lang.String,java.util.Map)">setMeta</a></span>​(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> property, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util" class="externalLink">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>,​<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>> metaData)</code></th> |
| <td class="colLast"> |
| <div class="block">Adds additional metadata.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </section> |
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| <h3>Method Detail</h3> |
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| <h4>init</h4> |
| <pre class="methodSignature"><a href="MetadataProvider.html" title="interface in org.apache.tamaya.spisupport">MetadataProvider</a> init​(<a href="../spi/ConfigurationContext.html" title="interface in org.apache.tamaya.spi">ConfigurationContext</a> context)</pre> |
| <div class="block">Initializes the provider with the given context. Each context must manage it's own |
| provider instance.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>context</code> - the target context, never null.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>this instance, for chaining.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getMetaData(java.lang.String)"> |
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| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getMetaData</h4> |
| <pre class="methodSignature"><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util" class="externalLink">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>,​<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>> getMetaData​(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> key)</pre> |
| <div class="block">Access the current metadata for the given configuration context and key. The MetaData will be |
| accessible from <a href="../spi/ConfigurationContext.html#getMetaData(java.lang.String)"><code>ConfigurationContext.getMetaData(String)</code></a>. Note that the metadata must not |
| to be cached by it's consumers, so caching/optimazitation is delegated to this implementation.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>key</code> - the property key, not null.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the (immutable) metadata of this configuration context.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="setMeta(java.lang.String,java.lang.String,java.lang.String)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
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| <h4>setMeta</h4> |
| <pre class="methodSignature"><a href="MetadataProvider.html" title="interface in org.apache.tamaya.spisupport">MetadataProvider</a> setMeta​(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> property, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> key, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> value)</pre> |
| <div class="block">Adds additional metadata. This metadata entries typically override all entries |
| from alternate sources.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>property</code> - the property key, not null.</dd> |
| <dd><code>key</code> - the metadata key, not null.</dd> |
| <dd><code>value</code> - the metadata value, not null.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>this instance, for chaining.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="setMeta(java.lang.String,java.util.Map)"> |
| <!-- --> |
| </a> |
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| <h4>setMeta</h4> |
| <pre class="methodSignature"><a href="MetadataProvider.html" title="interface in org.apache.tamaya.spisupport">MetadataProvider</a> setMeta​(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> property, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util" class="externalLink">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>,​<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>> metaData)</pre> |
| <div class="block">Adds additional metadata. This metadata entries typically override all entries |
| from alternate sources.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>property</code> - the property key, not null.</dd> |
| <dd><code>metaData</code> - the metadata to setPropertyValue/replace.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>this instance, for chaining.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="reset(java.lang.String)"> |
| <!-- --> |
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| <h4>reset</h4> |
| <pre class="methodSignature"><a href="MetadataProvider.html" title="interface in org.apache.tamaya.spisupport">MetadataProvider</a> reset​(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> property)</pre> |
| <div class="block">Resets metadata for a property, which means it reloads metadata based on the given context and</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>property</code> - the property key, not null.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>this instance, for chaining.</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>reset</h4> |
| <pre class="methodSignature"><a href="MetadataProvider.html" title="interface in org.apache.tamaya.spisupport">MetadataProvider</a> reset()</pre> |
| <div class="block">Resets this instance, which means it reloads metadata based on the given context and</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>this instance, for chaining.</dd> |
| </dl> |
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