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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.sis.setup</a></div> |
| <h2 title="Class Configuration" class="title">Class Configuration</h2> |
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| <pre>public final class <span class="typeNameLabel">Configuration</span> |
| extends <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></pre> |
| <div class="block">Provides system-wide configuration for Apache SIS library. |
| Methods in this class can be used for overriding SIS default values. |
| Those methods can be used in final applications, but should not be used by libraries |
| in order to avoid interfering with user's settings.</div> |
| <dl> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>1.0</dd> |
| |
| <p><font size="-1">Defined in the <code>sis-utility</code> module</font></p> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Method</th> |
| <th class="colLast" scope="col">Description</th> |
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| <td class="colFirst"><code>static <a href="Configuration.html" title="class in org.apache.sis.setup">Configuration</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#current()">current</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the current configuration.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Optional.html?is-external=true" title="class or interface in java.util" class="externalLink">Optional</a><<a href="https://docs.oracle.com/javase/8/docs/api/javax/sql/DataSource.html?is-external=true" title="class or interface in javax.sql" class="externalLink">DataSource</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getDatabase()">getDatabase</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the data source for the SIS-wide "SpatialMetadata" database.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setDatabase(java.util.function.Supplier)">setDatabase</a></span>​(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/function/Supplier.html?is-external=true" title="class or interface in java.util.function" class="externalLink">Supplier</a><<a href="https://docs.oracle.com/javase/8/docs/api/javax/sql/DataSource.html?is-external=true" title="class or interface in javax.sql" class="externalLink">DataSource</a>> source)</code></th> |
| <td class="colLast"> |
| <div class="block">Specifies the data source to use if no <code>"jdbc/SpatialMetadata"</code> source is binded to a JNDI environment.</div> |
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| <h4>current</h4> |
| <pre class="methodSignature">public static <a href="Configuration.html" title="class in org.apache.sis.setup">Configuration</a> current()</pre> |
| <div class="block">Returns the current configuration.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the current configuration.</dd> |
| </dl> |
| </li> |
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| <h4>getDatabase</h4> |
| <pre class="methodSignature">public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Optional.html?is-external=true" title="class or interface in java.util" class="externalLink">Optional</a><<a href="https://docs.oracle.com/javase/8/docs/api/javax/sql/DataSource.html?is-external=true" title="class or interface in javax.sql" class="externalLink">DataSource</a>> getDatabase() |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql" class="externalLink">SQLException</a></pre> |
| <div class="block">Returns the data source for the SIS-wide "SpatialMetadata" database. |
| This method returns the first of the following steps that succeed: |
| |
| <ol> |
| <li>If a JNDI context exists, use the data source registered under the <code>"jdbc/SpatialMetadata"</code> name.</li> |
| <li>Otherwise if a default data source <a href="#setDatabase(java.util.function.Supplier)">has been supplied</a>, use that data source.</li> |
| <li>Otherwise if the <code>SIS_DATA</code> environment variable is defined, |
| use the data source for <code>"jdbc:derby:$SIS_DATA/Databases/SpatialMetadata"</code>. |
| That database will be created if it does not exist. Note that this is the only case where |
| Apache SIS may create the database since it is located in the directory managed by Apache SIS.</li> |
| <li>Otherwise if the <code>non-free:sis-embedded-data</code> module is present on the classpath, |
| use the embedded database.</li> |
| <li>Otherwise if the <code>"derby.system.home"</code> property is defined, |
| use the data source for <code>"jdbc:derby:SpatialMetadata"</code> database. |
| This database will <strong>not</strong> be created if it does not exist.</li> |
| </ol></div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the data source for the <code>"SpatialMetadata"</code> database.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql" class="externalLink">SQLException</a></code> - if an error occurred while fetching the database source.</dd> |
| </dl> |
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| <h4>setDatabase</h4> |
| <pre class="methodSignature">public void setDatabase​(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/function/Supplier.html?is-external=true" title="class or interface in java.util.function" class="externalLink">Supplier</a><<a href="https://docs.oracle.com/javase/8/docs/api/javax/sql/DataSource.html?is-external=true" title="class or interface in javax.sql" class="externalLink">DataSource</a>> source)</pre> |
| <div class="block">Specifies the data source to use if no <code>"jdbc/SpatialMetadata"</code> source is binded to a JNDI environment. |
| Data source specified by JNDI has precedence over data source specified by this method in order to let users |
| control their data source. |
| |
| <p>This method can be invoked only before the first attempt to <a href="#getDatabase()">get the database</a>. |
| If the <a href="https://docs.oracle.com/javase/8/docs/api/javax/sql/DataSource.html?is-external=true" title="class or interface in javax.sql" class="externalLink"><code>DataSource</code></a> has already be obtained, then this method throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang" class="externalLink"><code>IllegalStateException</code></a>.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>source</code> - supplier of data source to set. |
| The supplier may return <code>null</code>, in which case it will be ignored.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang" class="externalLink">IllegalStateException</a></code> - if <a href="https://docs.oracle.com/javase/8/docs/api/javax/sql/DataSource.html?is-external=true" title="class or interface in javax.sql" class="externalLink"><code>DataSource</code></a> has already be obtained before this method call.</dd> |
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