-
/*
* Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
*
import java.net.InetAddress;
import java.util.ArrayList;
import java.util.Arrays;
+import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
+import java.util.TreeMap;
+import java.util.concurrent.ConcurrentMap;
+import java.util.concurrent.ConcurrentHashMap;
import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlRootElement;
+import org.opendaylight.controller.sal.core.Property;
import org.opendaylight.controller.sal.utils.EtherTypes;
import org.opendaylight.controller.sal.utils.IPProtocols;
import org.opendaylight.controller.sal.utils.NetUtils;
reversableMatches = Collections.unmodifiableMap(map);
}
private Map<MatchType, MatchField> fields;
- private int matches; // concise way to tell which fields the match is set for (may remove if not needed)
+ private int matches; // concise way to tell which fields the match
+ // is set for (may remove if not needed)
+ private ConcurrentMap<String, Property> props;
public Match() {
fields = new HashMap<MatchType, MatchField>();
matches = match.matches;
}
+ /**
+ * Gets the list of metadata currently registered with this match
+ *
+ * @return List of metadata currently registered
+ */
+ public List <Property> getMetadatas() {
+ if (this.props != null) {
+ // Return all the values in the map
+ Collection res = this.props.values();
+ if (res == null) {
+ return Collections.emptyList();
+ }
+ return new ArrayList<Property>(res);
+ }
+ return Collections.emptyList();
+ }
+
+ /**
+ * Gets the metadata registered with a name if present
+ *
+ * @param name the name of the property to be extracted
+ *
+ * @return List of metadata currently registered
+ */
+ public Property getMetadata(String name) {
+ if (name == null) {
+ return null;
+ }
+ if (this.props != null) {
+ // Return the Property associated to the name
+ return this.props.get(name);
+ }
+ return null;
+ }
+
+ /**
+ * Sets the metadata associated to a name. If the name or prop is NULL,
+ * an exception NullPointerException will be raised.
+ *
+ * @param name the name of the property to be set
+ * @param prop, property to be set
+ */
+ public void setMetadata(String name, Property prop) {
+ if (this.props == null) {
+ props = new ConcurrentHashMap<String, Property>();
+ }
+
+ if (this.props != null) {
+ this.props.put(name, prop);
+ }
+ }
+
+ /**
+ * Remove the metadata associated to a name. If the name is NULL,
+ * nothing will be removed.
+ *
+ * @param name the name of the property to be set
+ * @param prop, property to be set
+ *
+ * @return List of metadata currently registered
+ */
+ public void removeMetadata(String name) {
+ if (this.props == null) {
+ return;
+ }
+
+ if (this.props != null) {
+ this.props.remove(name);
+ }
+ // It's intentional to keep the this.props still allocated
+ // till the parent data structure will be alive, so to avoid
+ // unnecessary allocation/deallocation, even if it's holding
+ // nothing
+ }
+
/**
* Generic setter for frame/packet/message's header fields against which to match
* Note: For MAC addresses, please pass the cloned value to this function
if (this.fields == null) {
result = prime * result;
} else {
- int sum = 0;
- for (MatchType field : this.fields.keySet()) {
- MatchField f = this.fields.get(field);
- sum = sum + ((field==null ? 0 : field.calculateConsistentHashCode()) ^
- (f==null ? 0 : f.hashCode()));
+ // use a tree map as the order of hashMap is not guaranteed.
+ // 2 Match objects with fields in different order are still equal.
+ // Hence the hashCode should be the same too.
+ TreeMap<MatchType, MatchField> tm = new TreeMap<MatchType, MatchField>(this.fields);
+ for (MatchType field : tm.keySet()) {
+ MatchField f = tm.get(field);
+ int fieldHashCode = (field==null ? 0 : field.calculateConsistentHashCode()) ^
+ (f==null ? 0 : f.hashCode());
+ result = prime * result + fieldHashCode;
}
- result = prime * result + sum;
}
result = prime * result + matches;
return result;
@Override
public String toString() {
- return "Match[" + fields.values() + "]";
+ StringBuilder builder = new StringBuilder();
+ builder.append("Match [fields=");
+ builder.append(fields);
+ builder.append(", matches=");
+ builder.append(matches);
+ builder.append("]");
+ return builder.toString();
}
+
}