Merge tag 'v2.3.20' into testing

[gpl/argeo-jcr.git] / org.argeo.slc.repo / src / org / eclipse / aether / graph / DependencyFilter.java

diff --git a/org.argeo.slc.repo/src/org/eclipse/aether/graph/DependencyFilter.java b/org.argeo.slc.repo/src/org/eclipse/aether/graph/DependencyFilter.java
new file mode 100644 (file)
index 0000000..c776ddc
--- /dev/null
+++ b/org.argeo.slc.repo/src/org/eclipse/aether/graph/DependencyFilter.java
@@ -0,0 +1,33 @@
+/*******************************************************************************
+ * Copyright (c) 2010, 2011 Sonatype, Inc.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *    Sonatype, Inc. - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.aether.graph;
+
+import java.util.List;
+
+/**
+ * A filter to include/exclude dependency nodes during other operations.
+ */
+public interface DependencyFilter
+{
+
+    /**
+     * Indicates whether the specified dependency node shall be included or excluded.
+     * 
+     * @param node The dependency node to filter, must not be {@code null}.
+     * @param parents The (read-only) chain of parent nodes that leads to the node to be filtered, must not be
+     *            {@code null}. Iterating this (possibly empty) list walks up the dependency graph towards the root
+     *            node, i.e. the immediate parent node (if any) is the first node in the list. The size of the list also
+     *            denotes the zero-based depth of the filtered node.
+     * @return {@code true} to include the dependency node, {@code false} to exclude it.
+     */
+    boolean accept( DependencyNode node, List<DependencyNode> parents );
+
+}