X-Git-Url: https://git.argeo.org/?a=blobdiff_plain;f=org.argeo.slc.repo%2Fsrc%2Forg%2Fargeo%2Fslc%2Frepo%2FNodeIndexer.java;fp=org.argeo.slc.repo%2Fsrc%2Forg%2Fargeo%2Fslc%2Frepo%2FNodeIndexer.java;h=374ad8505d5308959bf7bc21f2a5d40cc7e68190;hb=825d60c5348dbe3f5be25b0bccf7bdebfe694219;hp=0000000000000000000000000000000000000000;hpb=5e991fff5cba01858dcc5747a27e637325bc5c8e;p=gpl%2Fargeo-jcr.git

diff --git a/org.argeo.slc.repo/src/org/argeo/slc/repo/NodeIndexer.java b/org.argeo.slc.repo/src/org/argeo/slc/repo/NodeIndexer.java
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index 0000000..374ad85
--- /dev/null
+++ b/org.argeo.slc.repo/src/org/argeo/slc/repo/NodeIndexer.java
@@ -0,0 +1,29 @@
+package org.argeo.slc.repo;
+
+import javax.jcr.Node;
+import javax.jcr.observation.EventListener;
+
+/**
+ * Adds metadata to an existing node, ideally via observation after it has been
+ * added. There is a similar concept in ModeShape with which this abstraction
+ * may be merged in the future.
+ */
+public interface NodeIndexer {
+	/**
+	 * Whether the node at this path will be supported. This is typically use in
+	 * an {@link EventListener} before the node is loaded, and would apply on
+	 * information contained in the path / file name: file extension, base path,
+	 * etc. If the node needs to be loaded, the recommended approach is to
+	 * return <code>true</code> here and wait for index to be called, possibly
+	 * returning without processing if the node should not be indexed. While
+	 * not strictly a requirement, this avoids to open sessions in the indexer,
+	 * centralizing such tasks in the caller.
+	 */
+	public Boolean support(String path);
+
+	/**
+	 * Adds the metadata. This is the responsibility of the caller to save the
+	 * underlying session.
+	 */
+	public void index(Node node);
+}