+/*
+ * collectd/java - org/collectd/api/CollectdTargetInterface.java
+ * Copyright (C) 2009 Florian octo Forster
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; only version 2 of the License is applicable.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Authors:
+ * Florian octo Forster <octo at verplant.org>
+ */
+
+package org.collectd.api;
+
+/**
+ * Interface for objects implementing a target method.
+ *
+ * These objects are instantiated using objects which implement the
+ * CollectdTargetFactoryInterface interface. They are not instantiated by the
+ * daemon directly!
+ *
+ * @author Florian Forster <octo at verplant.org>
+ * @see CollectdTargetFactoryInterface
+ * @see Collectd#registerTarget
+ */
+public interface CollectdTargetInterface
+{
+ /**
+ * Callback method for targets.
+ *
+ * This method is called to perform some action on the given ValueList.
+ * What precisely is done depends entirely on the implementing class.
+ *
+ * @return One of: {@link Collectd#FC_TARGET_CONTINUE},
+ * {@link Collectd#FC_TARGET_STOP}, {@link Collectd#FC_TARGET_RETURN}
+ * @see CollectdTargetFactoryInterface
+ */
+ public int invoke (DataSet ds, ValueList vl);
+} /* public interface CollectdTargetInterface */