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| <div class="container top-buffer" id="Gora_Gora Configuration"> |
| |
| <h1 id="introduction">Introduction<a class="headerlink" href="#introduction" title="Permalink">¶</a></h1> |
| <p><strong>Camel-Gora</strong> is an <a href="http://camel.apache.org/">Apache Camel</a> component that allows you to work with NoSQL databases using the |
| <a href="http://gora.apache.org/">Apache Gora</a> framework.</p> |
| <p><strong>N.B.</strong> Camel-Gora is NOT a Gora module... but instead a Camel one. This documentation exists to provide detail on how |
| Gora is being used in different settings.</p> |
| <p><strong>Available as of Camel 2.14</strong></p> |
| <div id="toc"><ul><li><a class="toc-href" href="#maven-configuration" title="Maven Configuration">Maven Configuration</a></li><li><a class="toc-href" href="#uri-format" title="URI format">URI format</a></li><li><a class="toc-href" href="#configuratiion" title="Configuratiion">Configuratiion</a></li><li><a class="toc-href" href="#supported-gora-operations" title="Supported Gora Operations">Supported Gora Operations</a></li><li><a class="toc-href" href="#options" title="Options">Options</a><ul><li><a class="toc-href" href="#gora-headers" title="Gora Headers">Gora Headers</a></li><li><a class="toc-href" href="#gora-configuration-attributes" title="Gora Configuration attributes">Gora Configuration attributes</a></li><li><a class="toc-href" href="#gora-query-attributes" title="Gora Query attributes">Gora Query attributes</a></li><li><a class="toc-href" href="#usage-examples" title="Usage examples">Usage examples</a></li><li><a class="toc-href" href="#more-resources" title="More resources">More resources</a></li></ul></li></ul></div> |
| <h2 id="maven-configuration">Maven Configuration<a class="headerlink" href="#maven-configuration" title="Permalink">¶</a></h2> |
| <p>Maven users will need to add the following dependency to their pom.xml for this component:</p> |
| <pre><code><dependency> |
| <groupId>org.apache.camel</groupId> |
| <artifactId>camel-gora</artifactId> |
| <version>x.x.x</version> |
| <!-- use the same version as your Camel core version --> |
| </dependency> |
| </code></pre> |
| <h2 id="uri-format">URI format<a class="headerlink" href="#uri-format" title="Permalink">¶</a></h2> |
| <pre><code>gora:instanceName[?options] |
| </code></pre> |
| <p>Hbase examples with mandatory options :</p> |
| <p><em>XML</em></p> |
| <pre><code><to uri="gora:foobar?keyClass=java.lang.Long&amp;valueClass=org.apache.camel.component.gora.generated.Pageview&amp;dataStoreClass=org.apache.gora.hbase.store.HBaseStore"/> |
| </code></pre> |
| <p><em>Java DSL</em></p> |
| <pre><code>to("gora:foobar?keyClass=java.lang.Long&valueClass=org.apache.camel.component.gora.generated.Pageview&dataStoreClass=org.apache.gora.hbase.store.HBaseStore"/> |
| </code></pre> |
| <h2 id="configuratiion">Configuratiion<a class="headerlink" href="#configuratiion" title="Permalink">¶</a></h2> |
| <p>Using camel-gora needs some configuration. This mainly involve to configure the <code>AvroStore</code> through the <code>gora.properties</code> file and to define the relevant mappings as part of the <em><a href="http://gora.apache.org/current/gora-core.html">gora-core</a></em> module.</p> |
| <p>Extensive information for this configuration can be found in the apache <a href="./index.html">gora documentation</a> and the <a href="./gora-conf.html">gora-conf</a> page.</p> |
| <h2 id="supported-gora-operations">Supported Gora Operations<a class="headerlink" href="#supported-gora-operations" title="Permalink">¶</a></h2> |
| <p>Supported operations include : <em><strong>put</strong>, <strong>get</strong>, <strong>delete</strong>, <strong>getSchemaName</strong>, <strong>deleteSchema</strong>, <strong>createSchema</strong>, <strong>query</strong>, <strong>deleteByQuery</strong>, <strong>schemaExists</strong></em>.</p> |
| <p>Some of the operations require arguments while some others no. The arguments to operations could be either the <em>body</em> of the <em>in</em> message or defined in a header property. Below there is a list with some additional info for each operation.</p> |
| <table class="table"> |
| <tr><th align="left">Property</th><th align="left">Description</th></tr> |
| <tr> |
| <td><tt><code>put</code></tt> |
| <td>*Inserts the persistent object with the given key.*</td> |
| </td></tr> |
| <tr> |
| <td><tt><code>get</code></tt> |
| <td>*Returns the object corresponding to the given key fetching all the fields.*</td> |
| </td></tr> |
| <tr> |
| <td><tt><code>delete</code></tt> |
| <td>*Deletes the object with the given key.*</td> |
| </td></tr> |
| <tr> |
| <td><tt><code>getSchemaName</code></tt> |
| <td>*Returns the schema name given to this DataStore.*</td> |
| </td></tr> |
| <tr> |
| <td><tt><code>deleteSchema</code></tt> |
| <td>*Deletes the underlying schema or table (or similar) in the datastore that holds the objects.*</td> |
| </td></tr> |
| <tr> |
| <td><tt><code>createSchema</code></tt> |
| <td>*Creates the optional schema or table (or similar) in the datastore to hold the objects.*</td> |
| </td></tr> |
| <tr> |
| <td><tt><code>query</code></tt> |
| <td>*Executes the given query and returns the results.*</td> |
| </td></tr> |
| <tr> |
| <td><tt><code>deleteByQuery</code></tt> |
| <td>*Deletes all the objects matching the query.*</td> |
| </td></tr> |
| <tr> |
| <td><tt><code>schemaExists</code></tt> |
| <td>*Returns whether the schema that holds the data exists in the datastore.*</td> |
| </td></tr> |
| </table> |
| <h2 id="options">Options<a class="headerlink" href="#options" title="Permalink">¶</a></h2> |
| <h3 id="gora-headers">Gora Headers<a class="headerlink" href="#gora-headers" title="Permalink">¶</a></h3> |
| <table class="table"> |
| <tr><th align="left">Property</th><th align="left">Description</th></tr> |
| <tr> |
| <td><tt><code>GoraOperation</code></tt> |
| <td>*Used in order to define the operation to execute.*</td> |
| </td></tr> |
| <tr> |
| <tr> |
| <td><tt><code>GoraKey</code></tt> |
| <td>*Used in order to define the datum key for the operations need it.*</td> |
| </td></tr> |
| </tr></table> |
| <h3 id="gora-configuration-attributes">Gora Configuration attributes<a class="headerlink" href="#gora-configuration-attributes" title="Permalink">¶</a></h3> |
| <table class="table"> |
| <tr><th align="left">Property</th><th align="left">Type</th><th align="left">Description</th></tr> |
| <tr> |
| <td><tt><code>keyClass</code></tt> |
| </td><td>_String_</td> |
| <td>*Key type.* *</td> |
| </tr> |
| <tr> |
| <td><tt><code>valueClass</code></tt> |
| </td><td>_String_</td> |
| <td> *Value type.* *</td> |
| </tr> |
| <tr> |
| <td><tt><code>dataStoreClass</code></tt> |
| </td><td>_String_</td> |
| <td> *DataStore type* *</td> |
| </tr> |
| <tr> |
| <td><tt><code>hadoopConfiguration</code></tt> |
| </td><td>_Configuration_</td> |
| <td> *Hadoop Configuration*</td> |
| </tr> |
| <tr> |
| <td><tt><code>concurrentConsumers</code></tt> |
| </td><td>_int_</td> |
| <td> *Concurrent Consumers (used only by consumers).*</td> |
| </tr> |
| <tr> |
| <td><tt><code>flushOnEveryOperation</code></tt> |
| </td><td>_boolean_</td> |
| <td> *Flush on every operation (used only by producers).*</td> |
| </tr> |
| </table> |
| <p><em>NOTE: the gora configuration properties marked with asterisk are mandatory</em></p> |
| <h3 id="gora-query-attributes">Gora Query attributes<a class="headerlink" href="#gora-query-attributes" title="Permalink">¶</a></h3> |
| <table class="table"> |
| <tr><th align="left">Property</th><th align="left">Type</th><th align="left">Description</th></tr> |
| <tr> |
| <td><tt><code>startTime</code></tt> |
| </td><td>_long_</td> |
| <td> *Start Time attribute.*</td> |
| </tr> |
| <tr> |
| <td><tt><code>endTime</code></tt> |
| </td><td>_long_</td> |
| <td> *End Time attribute.*</td> |
| </tr> |
| <tr> |
| <td><tt><code>timeRangeFrom</code></tt> |
| </td><td>_long_</td> |
| <td> *Time Range From attribute.*</td> |
| </tr> |
| <tr> |
| <td><tt><code>timeRangeTo</code></tt> |
| </td><td>_long_</td> |
| <td> *Time Range To attribute.*</td> |
| </tr> |
| <tr> |
| <td><tt><code>limit</code></tt> |
| </td><td>_long_</td> |
| <td> *Gora Query Limit attribute.*</td> |
| </tr> |
| <tr> |
| <td><tt><code>timestamp</code></tt> |
| </td><td>_long_</td> |
| <td> *Timestamp attribute.*</td> |
| </tr> |
| <tr> |
| <td><tt><code>startKey</code></tt> |
| </td><td>_Object_</td> |
| <td> *Start Key attribute.*</td> |
| </tr> |
| <tr> |
| <td><tt><code>endKey</code></tt> |
| </td><td>_Object_</td> |
| <td> *End Key attribute.*</td> |
| </tr> |
| <tr> |
| <td><tt><code>keyRangeFrom</code></tt> |
| </td><td>_Object_</td> |
| <td> *Key Range From attribute.*</td> |
| </tr> |
| <tr> |
| <td><tt><code>keyRangeTo</code></tt> |
| </td><td>_Object_</td> |
| <td> *Key Range To attribute.*</td> |
| </tr> |
| <tr> |
| <td><tt><code>fields</code></tt> |
| </td><td>_String_</td> |
| <td> *Fields attribute.*</td> |
| </tr> |
| </table> |
| <h3 id="usage-examples">Usage examples<a class="headerlink" href="#usage-examples" title="Permalink">¶</a></h3> |
| <p><strong>Create Schema</strong> <em>(XML DSL)</em>:</p> |
| <pre><code><setHeader headerName="GoraOperation"> |
| <constant>CreateSchema</constant> |
| </setHeader> |
| |
| <to uri="gora:foobar?keyClass=java.lang.Long&amp;valueClass=org.apache.camel.component.gora.generated.Pageview&amp;dataStoreClass=org.apache.gora.hbase.store.HBaseStore"/> |
| </code></pre> |
| <p><strong>SchemaExists</strong> <em>(XML DSL)</em>:</p> |
| <pre><code> <setHeader headerName="GoraOperation"> |
| <constant>SchemaExists</constant> |
| </setHeader> |
| |
| <to uri="gora:foobar?keyClass=java.lang.Long&amp;valueClass=org.apache.camel.component.gora.generated.Pageview&amp;dataStoreClass=org.apache.gora.hbase.store.HBaseStore"/> |
| </code></pre> |
| <p><strong>Put</strong> <em>(XML DSL)</em>:</p> |
| <pre><code> <setHeader headerName="GoraOperation"> |
| <constant>put</constant> |
| </setHeader> |
| |
| <setHeader headerName="GoraKey"> |
| <constant>22222</constant> |
| </setHeader> |
| |
| <to uri="gora:foo?keyClass=java.lang.Long&amp;valueClass=org.apache.camel.component.gora.generated.Pageview&amp;dataStoreClass=org.apache.gora.hbase.store.HBaseStore"/> |
| </code></pre> |
| <p><strong>Get</strong> <em>(XML DSL)</em>:</p> |
| <pre><code><setHeader headerName="GoraOperation"> |
| <constant>GET</constant> |
| </setHeader> |
| |
| <setHeader headerName="GoraKey"> |
| <constant>10101</constant> |
| </setHeader> |
| |
| <to uri="gora:bar?keyClass=java.lang.Long&amp;valueClass=org.apache.camel.component.gora.generated.Pageview&amp;dataStoreClass=org.apache.gora.hbase.store.HBaseStore"/> |
| </code></pre> |
| <p><strong>Delete</strong> <em>(XML DSL)</em>:</p> |
| <pre><code><setHeader headerName="GoraOperation"> |
| <constant>DELETE</constant> |
| </setHeader> |
| |
| <setHeader headerName="GoraKey"> |
| <constant>22222</constant> |
| </setHeader> |
| |
| <to uri="gora:bar?keyClass=java.lang.Long&amp;valueClass=org.apache.camel.component.gora.generated.Pageview&amp;dataStoreClass=org.apache.gora.hbase.store.HBaseStore"/> |
| </code></pre> |
| <p><strong>Query</strong> <em>(XML DSL)</em>:</p> |
| <pre><code><to uri="gora:foobar?keyClass=java.lang.Long&amp;valueClass=org.apache.camel.component.gora.generated.Pageview&amp;dataStoreClass=org.apache.gora.hbase.store.HBaseStore"/> |
| </code></pre> |
| <p>The full usage examples in the form of integration tests can be found at <a href="https://github.com/ipolyzos/camel-gora-examples/">camel-gora-examples</a> repository.</p> |
| <h3 id="more-resources">More resources<a class="headerlink" href="#more-resources" title="Permalink">¶</a></h3> |
| <p>For more please information and in depth configuration refer to the <a href="./overview.html">Apache Gora Documentation</a> and the <a href="./tutorial.html">Apache Gora Tutorial</a>.</p> |
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