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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.tamaya.spisupport.propertysource</a></div> |
| <h2 title="Class SystemPropertySource" class="title">Class SystemPropertySource</h2> |
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| <li><a href="BasePropertySource.html" title="class in org.apache.tamaya.spisupport.propertysource">org.apache.tamaya.spisupport.propertysource.BasePropertySource</a></li> |
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| <li>org.apache.tamaya.spisupport.propertysource.SystemPropertySource</li> |
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| <dd><code><a href="../../spi/PropertySource.html" title="interface in org.apache.tamaya.spi">PropertySource</a></code></dd> |
| </dl> |
| <hr> |
| <pre>public class <span class="typeNameLabel">SystemPropertySource</span> |
| extends <a href="BasePropertySource.html" title="class in org.apache.tamaya.spisupport.propertysource">BasePropertySource</a></pre> |
| <div class="block">This <a href="../../spi/PropertySource.html" title="interface in org.apache.tamaya.spi"><code>PropertySource</code></a> manages the system properties. You can disable this feature by |
| setting <code>tamaya.envprops.disable</code> or <code>tamaya.defaults.disable</code>.</div> |
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| <td class="colFirst"><code>static int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#DEFAULT_ORDINAL">DEFAULT_ORDINAL</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">default ordinal used.</div> |
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| <h3>Fields inherited from interface org.apache.tamaya.spi.<a href="../../spi/PropertySource.html" title="interface in org.apache.tamaya.spi">PropertySource</a></h3> |
| <code><a href="../../spi/PropertySource.html#EMPTY">EMPTY</a>, <a href="../../spi/PropertySource.html#TAMAYA_ORDINAL">TAMAYA_ORDINAL</a></code></li> |
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| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E()">SystemPropertySource</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Creates a new instance.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(int)">SystemPropertySource</a></span>​(int ordinal)</code></th> |
| <td class="colLast"> |
| <div class="block">Creates a new instance using a fixed ordinal createValue.</div> |
| </td> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code><a href="../../spi/PropertyValue.html" title="class in org.apache.tamaya.spi">PropertyValue</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#get(java.lang.String)">get</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 a property.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="../../spi/ChangeSupport.html" title="enum in org.apache.tamaya.spi">ChangeSupport</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getChangeSupport()">getChangeSupport</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Get the support for reporting changes to property sources provided by this instance.</div> |
| </td> |
| </tr> |
| <tr id="i2" 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="../../spi/PropertyValue.html" title="class in org.apache.tamaya.spi">PropertyValue</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getProperties()">getProperties</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Access the current properties as Set.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><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="#getVersion()">getVersion</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Get the current version.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#reload()">reload</a></span>()</code></th> |
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| <h3>Methods inherited from class org.apache.tamaya.spisupport.propertysource.<a href="BasePropertySource.html" title="class in org.apache.tamaya.spisupport.propertysource">BasePropertySource</a></h3> |
| <code><a href="BasePropertySource.html#equals(java.lang.Object)">equals</a>, <a href="BasePropertySource.html#getDefaultOrdinal()">getDefaultOrdinal</a>, <a href="BasePropertySource.html#getName()">getName</a>, <a href="BasePropertySource.html#getOrdinal()">getOrdinal</a>, <a href="BasePropertySource.html#hashCode()">hashCode</a>, <a href="BasePropertySource.html#isDisabled()">isDisabled</a>, <a href="BasePropertySource.html#setChangeSupport(org.apache.tamaya.spi.ChangeSupport)">setChangeSupport</a>, <a href="BasePropertySource.html#setDefaultOrdinal(java.lang.Integer)">setDefaultOrdinal</a>, <a href="BasePropertySource.html#setDisabled(boolean)">setDisabled</a>, <a href="BasePropertySource.html#setName(java.lang.String)">setName</a>, <a href="BasePropertySource.html#setOrdinal(java.lang.Integer)">setOrdinal</a>, <a href="BasePropertySource.html#toString()">toString</a>, <a href="BasePropertySource.html#toStringValues()">toStringValues</a></code></li> |
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| <h3>Methods inherited from class java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></h3> |
| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang" class="externalLink">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang" class="externalLink">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang" class="externalLink">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang" class="externalLink">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang" class="externalLink">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait(long,int)" title="class or interface in java.lang" class="externalLink">wait</a></code></li> |
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| </a> |
| <h3>Methods inherited from interface org.apache.tamaya.spi.<a href="../../spi/PropertySource.html" title="interface in org.apache.tamaya.spi">PropertySource</a></h3> |
| <code><a href="../../spi/PropertySource.html#addChangeListener(java.util.function.BiConsumer)">addChangeListener</a>, <a href="../../spi/PropertySource.html#isScannable()">isScannable</a>, <a href="../../spi/PropertySource.html#removeAllChangeListeners()">removeAllChangeListeners</a>, <a href="../../spi/PropertySource.html#removeChangeListener(java.util.function.BiConsumer)">removeChangeListener</a></code></li> |
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| <!-- ============ FIELD DETAIL =========== --> |
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| <h3>Field Detail</h3> |
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| <h4>DEFAULT_ORDINAL</h4> |
| <pre>public static final int DEFAULT_ORDINAL</pre> |
| <div class="block">default ordinal used.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../constant-values.html#org.apache.tamaya.spisupport.propertysource.SystemPropertySource.DEFAULT_ORDINAL">Constant Field Values</a></dd> |
| </dl> |
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| <h4>SystemPropertySource</h4> |
| <pre>public SystemPropertySource()</pre> |
| <div class="block">Creates a new instance. Also initializes the <code>prefix</code> and <code>disabled</code> properties |
| from the system-/ environment properties: |
| <pre> |
| tamaya.envprops.prefix |
| tamaya.envprops.disable |
| </pre></div> |
| </li> |
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| <a id="<init>(int)"> |
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| <h4>SystemPropertySource</h4> |
| <pre>public SystemPropertySource​(int ordinal)</pre> |
| <div class="block">Creates a new instance using a fixed ordinal createValue.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>ordinal</code> - the ordinal number.</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
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| <a id="get(java.lang.String)"> |
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| <h4>get</h4> |
| <pre class="methodSignature">public <a href="../../spi/PropertyValue.html" title="class in org.apache.tamaya.spi">PropertyValue</a> get​(<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"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../spi/PropertySource.html#get(java.lang.String)">PropertySource</a></code></span></div> |
| <div class="block">Access a property.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../spi/PropertySource.html#get(java.lang.String)">get</a></code> in interface <code><a href="../../spi/PropertySource.html" title="interface in org.apache.tamaya.spi">PropertySource</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="BasePropertySource.html#get(java.lang.String)">get</a></code> in class <code><a href="BasePropertySource.html" title="class in org.apache.tamaya.spisupport.propertysource">BasePropertySource</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>key</code> - the property's key, not <code>null</code>.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the property value mapProperties, where <code>mapProperties.current(key) == value</code>, including also any metadata. In case a |
| value is null, simply return <code>null</code>.</dd> |
| </dl> |
| </li> |
| </ul> |
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| </a> |
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| <h4>reload</h4> |
| <pre class="methodSignature">public void reload()</pre> |
| </li> |
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| <a id="getProperties()"> |
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| <h4>getProperties</h4> |
| <pre class="methodSignature">public <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="../../spi/PropertyValue.html" title="class in org.apache.tamaya.spi">PropertyValue</a>> getProperties()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../spi/PropertySource.html#getProperties()">PropertySource</a></code></span></div> |
| <div class="block">Access the current properties as Set. The resulting Map may not return all items accessible, e.g. |
| when the underlying storage does not support iteration of its entries. |
| <code>null</code></div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the corresponding mapProperties, never null.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getVersion()"> |
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| </a> |
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| <h4>getVersion</h4> |
| <pre class="methodSignature">public <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> getVersion()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../spi/PropertySource.html#getVersion()">PropertySource</a></code></span></div> |
| <div class="block">Get the current version. A new version signals that it is known that properties have changed for this property |
| source. This is especially useful, when <a href="../../spi/PropertySource.html#getChangeSupport()"><code>PropertySource.getChangeSupport()</code></a> is <a href="../../spi/ChangeSupport.html#SUPPORTED"><code>ChangeSupport.SUPPORTED</code></a>. |
| The content and format of the version String is imeplemtation specific. We recommend to addPropertyValue information |
| such as the loading timestamp, the source systems read or whatever is appropriate. By default this |
| method returns <code>"N/A"</code>.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the version this property source, never null.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getChangeSupport()"> |
| <!-- --> |
| </a> |
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| <h4>getChangeSupport</h4> |
| <pre class="methodSignature">public <a href="../../spi/ChangeSupport.html" title="enum in org.apache.tamaya.spi">ChangeSupport</a> getChangeSupport()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../spi/PropertySource.html#getChangeSupport()">PropertySource</a></code></span></div> |
| <div class="block">Get the support for reporting changes to property sources provided by this instance. This support |
| type should never change during a property source's lifetime.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../spi/PropertySource.html#getChangeSupport()">getChangeSupport</a></code> in interface <code><a href="../../spi/PropertySource.html" title="interface in org.apache.tamaya.spi">PropertySource</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="BasePropertySource.html#getChangeSupport()">getChangeSupport</a></code> in class <code><a href="BasePropertySource.html" title="class in org.apache.tamaya.spisupport.propertysource">BasePropertySource</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the change support of this property source, not null.</dd> |
| </dl> |
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