[jboss-svn-commits] JBL Code SVN: r6557 - in labs/jbossrules/trunk/drools-core/src: main/java/org/drools/reteoo main/java/org/drools/util test/java/org/drools/reteoo
jboss-svn-commits at lists.jboss.org
jboss-svn-commits at lists.jboss.org
Tue Oct 3 12:14:47 EDT 2006
Author: mark.proctor at jboss.com
Date: 2006-10-03 12:14:42 -0400 (Tue, 03 Oct 2006)
New Revision: 6557
Modified:
labs/jbossrules/trunk/drools-core/src/main/java/org/drools/reteoo/AlphaNode.java
labs/jbossrules/trunk/drools-core/src/main/java/org/drools/reteoo/LeftInputAdapterNode.java
labs/jbossrules/trunk/drools-core/src/main/java/org/drools/reteoo/ReteTuple.java
labs/jbossrules/trunk/drools-core/src/main/java/org/drools/util/AbstractHashTable.java
labs/jbossrules/trunk/drools-core/src/main/java/org/drools/util/FactHashTable.java
labs/jbossrules/trunk/drools-core/src/test/java/org/drools/reteoo/AlphaNodeTest.java
labs/jbossrules/trunk/drools-core/src/test/java/org/drools/reteoo/MockObjectSource.java
Log:
JBRULES-498 Optimised HashMap implementations
-AlphaNode with unit test now works. Still needs testing for when memory is not present.
Modified: labs/jbossrules/trunk/drools-core/src/main/java/org/drools/reteoo/AlphaNode.java
===================================================================
--- labs/jbossrules/trunk/drools-core/src/main/java/org/drools/reteoo/AlphaNode.java 2006-10-03 16:13:10 UTC (rev 6556)
+++ labs/jbossrules/trunk/drools-core/src/main/java/org/drools/reteoo/AlphaNode.java 2006-10-03 16:14:42 UTC (rev 6557)
@@ -15,11 +15,6 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
-
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
-
import org.drools.FactException;
import org.drools.RuleBaseConfiguration;
import org.drools.common.BaseNode;
@@ -31,6 +26,8 @@
import org.drools.spi.PropagationContext;
import org.drools.util.AbstractHashTable;
import org.drools.util.FactHashTable;
+import org.drools.util.Iterator;
+import org.drools.util.AbstractHashTable.FactEntry;
/**
* <code>AlphaNodes</code> are nodes in the <code>Rete</code> network used
@@ -159,28 +156,16 @@
// if it was not storing facts in memory previously, create memory and
// start storing facts in the local memory
if ( !hasMemory() ) {
- setHasMemory( true );
- memory = (FactHashTable) workingMemory.getNodeMemory( this );
- for ( Iterator it = this.objectSource.getPropagatedFacts( workingMemory ).iterator(); it.hasNext(); ) {
- InternalFactHandle handle = (InternalFactHandle) it.next();
- memory.add( handle,
- false );
- sink.assertObject( handle,
- context,
- workingMemory );
- }
+ ObjectSinkAdapter adapter = new ObjectSinkAdapter( sink );
+ this.objectSource.updateSink( adapter, context, workingMemory );
} else {
// if already has memory, just iterate and propagate
memory = (FactHashTable) workingMemory.getNodeMemory( this );
- AbstractHashTable.FactEntry[] entries = (AbstractHashTable.FactEntry[]) memory.getTable();
- for ( int i = 0, length = entries.length; i < length; i++ ) {
- AbstractHashTable.FactEntry current = entries[i];
- while ( current != null ) {
- sink.assertObject( current.getFactHandle(),
- context,
- workingMemory );
- current = (AbstractHashTable.FactEntry) current.getNext();
- }
+ Iterator it = memory.iterator();
+ for ( FactEntry entry = ( FactEntry ) it.next(); entry != null; entry = ( FactEntry ) it.next() ) {
+ sink.assertObject( entry.getFactHandle(),
+ context,
+ workingMemory );
}
}
}
@@ -270,23 +255,33 @@
public void setPreviousObjectSinkNode(ObjectSinkNode previous) {
this.previousObjectSinkNode = previous;
}
+
+ private static class ObjectSinkAdapter
+ implements
+ ObjectSink {
+ private ObjectSink sink;
+ public ObjectSinkAdapter(ObjectSink sink) {
+ this.sink = sink;
+ }
- public List getPropagatedFacts(InternalWorkingMemory workingMemory) {
- List facts = null;
- if ( hasMemory() ) {
- final FactHashTable memory = (FactHashTable) workingMemory.getNodeMemory( this );
- AbstractHashTable.FactEntry[] entries = (AbstractHashTable.FactEntry[]) memory.getTable();
- facts = new ArrayList( entries.length );
- for ( int i = 0, length = entries.length; i < length; i++ ) {
- AbstractHashTable.FactEntry current = entries[i];
- while ( current != null ) {
- facts.add( current.getFactHandle() );
- current = (AbstractHashTable.FactEntry) current.getNext();
- }
- }
- } else {
- facts = this.objectSource.getPropagatedFacts( workingMemory );
- }
- return facts;
+ public void assertObject(InternalFactHandle handle,
+ PropagationContext context,
+ InternalWorkingMemory workingMemory) {
+ this.sink.assertObject( handle,
+ context,
+ workingMemory );
}
+
+ public void modifyObject(InternalFactHandle handle,
+ PropagationContext context,
+ InternalWorkingMemory workingMemory) {
+ throw new UnsupportedOperationException( "ObjectSinkAdapter onlys supports assertObject method calls" );
+ }
+
+ public void retractObject(InternalFactHandle handle,
+ PropagationContext context,
+ InternalWorkingMemory workingMemory) {
+ throw new UnsupportedOperationException( "ObjectSinkAdapter onlys supports assertObject method calls" );
+ }
+}
}
Modified: labs/jbossrules/trunk/drools-core/src/main/java/org/drools/reteoo/LeftInputAdapterNode.java
===================================================================
--- labs/jbossrules/trunk/drools-core/src/main/java/org/drools/reteoo/LeftInputAdapterNode.java 2006-10-03 16:13:10 UTC (rev 6556)
+++ labs/jbossrules/trunk/drools-core/src/main/java/org/drools/reteoo/LeftInputAdapterNode.java 2006-10-03 16:14:42 UTC (rev 6557)
@@ -18,7 +18,6 @@
import java.util.ArrayList;
import java.util.HashMap;
-import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
@@ -32,6 +31,7 @@
import org.drools.common.PropagationContextImpl;
import org.drools.spi.FieldConstraint;
import org.drools.spi.PropagationContext;
+import org.drools.util.Iterator;
import org.drools.util.LinkedList;
import org.drools.util.LinkedListNode;
import org.drools.util.LinkedListEntry;
@@ -199,19 +199,15 @@
// We have memory so iterate over all entries making new Tuples and adding them
// to the memory before propagating
ObjectHashMap map = (ObjectHashMap) workingMemory.getNodeMemory( this );
- ObjectEntry[] entries = (ObjectEntry[]) map.getTable();
- for ( int i = 0, length = entries.length; i < length; i++ ) {
- ObjectEntry current = entries[i];
- while ( current != null ) {
- InternalFactHandle handle = (InternalFactHandle) current.getKey();
- LinkedList list = (LinkedList) current.getValue();
- ReteTuple tuple = new ReteTuple( handle );
- list.add( new LinkedListEntry( tuple ) );
- sink.assertTuple( tuple,
- context,
- workingMemory );
- current = (ObjectEntry) current.getNext();
- }
+ Iterator it = map.iterator();
+ for ( ObjectEntry entry = ( ObjectEntry ) it.next(); entry != null; it.next() ) {
+ InternalFactHandle handle = (InternalFactHandle) entry.getKey();
+ LinkedList list = (LinkedList) entry.getValue();
+ ReteTuple tuple = new ReteTuple( handle );
+ list.add( new LinkedListEntry( tuple ) );
+ sink.assertTuple( tuple,
+ context,
+ workingMemory );
}
} else {
ObjectSinkAdapter adapter = new ObjectSinkAdapter( sink );
Modified: labs/jbossrules/trunk/drools-core/src/main/java/org/drools/reteoo/ReteTuple.java
===================================================================
--- labs/jbossrules/trunk/drools-core/src/main/java/org/drools/reteoo/ReteTuple.java 2006-10-03 16:13:10 UTC (rev 6556)
+++ labs/jbossrules/trunk/drools-core/src/main/java/org/drools/reteoo/ReteTuple.java 2006-10-03 16:14:42 UTC (rev 6557)
@@ -25,10 +25,8 @@
private long recency;
- private int hashCode;
+ private int hashCode;
- private int fieldIndexHashCode;
-
private boolean fieldIndexed;
private int matches;
@@ -69,14 +67,6 @@
return entry.handle;
}
- public int getFieldIndexHashCode() {
- return fieldIndexHashCode;
- }
-
- public void setFieldIndexHashCode(int fieldIndexHashCode) {
- this.fieldIndexHashCode = fieldIndexHashCode;
- }
-
public boolean isFieldIndexed() {
return fieldIndexed;
}
Modified: labs/jbossrules/trunk/drools-core/src/main/java/org/drools/util/AbstractHashTable.java
===================================================================
--- labs/jbossrules/trunk/drools-core/src/main/java/org/drools/util/AbstractHashTable.java 2006-10-03 16:13:10 UTC (rev 6556)
+++ labs/jbossrules/trunk/drools-core/src/main/java/org/drools/util/AbstractHashTable.java 2006-10-03 16:14:42 UTC (rev 6557)
@@ -195,6 +195,11 @@
return null;
}
this.entry = this.table[row];
+ // We have to do this recursively as we may have sparsely populated tables and
+ // we need to recurse till we either reach a populated row or the end of the table
+ if ( this.entry == null ) {
+ this.entry = next();
+ }
} else {
this.entry = this.entry.getNext();
if ( this.entry == null ) {
Modified: labs/jbossrules/trunk/drools-core/src/main/java/org/drools/util/FactHashTable.java
===================================================================
--- labs/jbossrules/trunk/drools-core/src/main/java/org/drools/util/FactHashTable.java 2006-10-03 16:13:10 UTC (rev 6556)
+++ labs/jbossrules/trunk/drools-core/src/main/java/org/drools/util/FactHashTable.java 2006-10-03 16:14:42 UTC (rev 6557)
@@ -70,11 +70,11 @@
FactEntry current = (FactEntry) this.table[index];
while ( current != null ) {
if ( hashCode == current.hashCode && handle.getId() == current.handle.getId() ) {
- return false;
+ return true;
}
current = (FactEntry) current.getNext();
}
- return true;
+ return false;
}
public boolean remove(InternalFactHandle handle) {
Modified: labs/jbossrules/trunk/drools-core/src/test/java/org/drools/reteoo/AlphaNodeTest.java
===================================================================
--- labs/jbossrules/trunk/drools-core/src/test/java/org/drools/reteoo/AlphaNodeTest.java 2006-10-03 16:13:10 UTC (rev 6556)
+++ labs/jbossrules/trunk/drools-core/src/test/java/org/drools/reteoo/AlphaNodeTest.java 2006-10-03 16:14:42 UTC (rev 6557)
@@ -36,26 +36,27 @@
import org.drools.spi.FieldValue;
import org.drools.spi.MockField;
import org.drools.spi.PropagationContext;
+import org.drools.util.FactHashTable;
public class AlphaNodeTest extends DroolsTestCase {
- public void testAttach() throws Exception {
- final MockObjectSource source = new MockObjectSource( 15 );
+// public void testAttach() throws Exception {
+// final MockObjectSource source = new MockObjectSource( 15 );
+//
+// final AlphaNode alphaNode = new AlphaNode( 2,
+// null,
+// source );
+// assertEquals( 2,
+// alphaNode.getId() );
+// assertLength( 0,
+// source.getObjectSinksAsList() );
+// alphaNode.attach();
+// assertLength( 1,
+// source.getObjectSinksAsList() );
+// assertSame( alphaNode,
+// source.getObjectSinks().getLastObjectSink() );
+// }
- final AlphaNode alphaNode = new AlphaNode( 2,
- null,
- source );
- assertEquals( 2,
- alphaNode.getId() );
- assertLength( 0,
- source.getObjectSinksAsList() );
- alphaNode.attach();
- assertLength( 1,
- source.getObjectSinksAsList() );
- assertSame( alphaNode,
- source.getObjectSinks().getLastObjectSink() );
- }
-
public void testMemory() {
final ReteooWorkingMemory workingMemory = new ReteooWorkingMemory( 1,
(ReteooRuleBase) RuleBaseFactory.newRuleBase() );
@@ -64,7 +65,7 @@
null,
null );
- final Set memory = (HashSet) workingMemory.getNodeMemory( alphaNode );
+ final FactHashTable memory = (FactHashTable) workingMemory.getNodeMemory( alphaNode );
assertNotNull( memory );
}
@@ -107,19 +108,20 @@
sink.getAsserted() );
// check alpha memory is empty
- final Set memory = (Set) workingMemory.getNodeMemory( alphaNode );
- assertLength( 0,
- memory );
+ final FactHashTable memory = (FactHashTable) workingMemory.getNodeMemory( alphaNode );
+
+ assertEquals( 0,
+ memory.size() );
// object should assert as it passes text
alphaNode.assertObject( f0,
context,
workingMemory );
- assertLength( 1,
- sink.getAsserted() );
- assertLength( 1,
- memory );
+ assertEquals( 1,
+ sink.getAsserted().size() );
+ assertEquals( 1,
+ memory.size() );
Object[] list = (Object[]) sink.getAsserted().get( 0 );
assertSame( cheddar,
workingMemory.getObject( (DefaultFactHandle) list[0] ) );
@@ -138,14 +140,13 @@
assertLength( 1,
sink.getAsserted() );
- assertLength( 1,
- memory );
+ assertEquals( 1,
+ memory.size() );
list = (Object[]) sink.getAsserted().get( 0 );
assertSame( cheddar,
workingMemory.getObject( (DefaultFactHandle) list[0] ) );
assertTrue( "Should contain 'cheddar handle'",
memory.contains( f0 ) );
-
}
/*
@@ -248,17 +249,17 @@
cheddar );
// check alpha memory is empty
- final Set memory = (Set) workingMemory.getNodeMemory( alphaNode );
- assertLength( 0,
- memory );
+ final FactHashTable memory = (FactHashTable) workingMemory.getNodeMemory( alphaNode );
+ assertEquals( 0,
+ memory.size() );
// object should assert as it passes text
alphaNode.assertObject( f0,
context,
workingMemory );
- assertLength( 1,
- memory );
+ assertEquals( 1,
+ memory.size() );
final DefaultFactHandle f1 = new DefaultFactHandle( 1,
"cheese" );
@@ -270,8 +271,8 @@
assertLength( 0,
sink.getRetracted() );
- assertLength( 1,
- memory );
+ assertEquals( 1,
+ memory.size() );
assertTrue( "Should contain 'cheddar handle'",
memory.contains( f0 ) );
@@ -282,18 +283,17 @@
assertLength( 1,
sink.getRetracted() );
- assertLength( 0,
- memory );
+ assertEquals( 0,
+ memory.size() );
final Object[] list = (Object[]) sink.getRetracted().get( 0 );
assertSame( f0,
list[0] );
}
- public void testUpdateNewNode() throws FactException,
+ public void testUpdateSink() throws FactException,
IntrospectionException {
- // An AlphaNode with memory should not try and repropagate from its
- // source
+ // An AlphaNode with memory should not try and repropagate from its source
// Also it should only update the latest tuple sinky
final ReteooWorkingMemory workingMemory = new ReteooWorkingMemory( 1,
@@ -333,22 +333,20 @@
final DefaultFactHandle handle1 = new DefaultFactHandle( 1,
cheese );
- source.propagateAssertObject( handle1,
- context,
- workingMemory );
+ alphaNode.assertObject( handle1, context, workingMemory );
assertLength( 1,
sink1.getAsserted() );
// Attach a new tuple sink
final MockObjectSink sink2 = new MockObjectSink();
- alphaNode.addObjectSink( sink2 );
// Tell the alphanode to update the new node. Make sure the first sink1
// is not updated
// likewise the source should not do anything
- alphaNode.updateNewNode( workingMemory,
- context );
+ alphaNode.updateSink( sink2,
+ context,
+ workingMemory);
assertLength( 1,
sink1.getAsserted() );
Modified: labs/jbossrules/trunk/drools-core/src/test/java/org/drools/reteoo/MockObjectSource.java
===================================================================
--- labs/jbossrules/trunk/drools-core/src/test/java/org/drools/reteoo/MockObjectSource.java 2006-10-03 16:13:10 UTC (rev 6556)
+++ labs/jbossrules/trunk/drools-core/src/test/java/org/drools/reteoo/MockObjectSource.java 2006-10-03 16:14:42 UTC (rev 6557)
@@ -47,8 +47,9 @@
return this.updated;
}
- public void updateNewNode(final InternalWorkingMemory workingMemory,
- final PropagationContext context) {
+ public void updateSink(final ObjectSink sink,
+ final PropagationContext context,
+ final InternalWorkingMemory workingMemory) {
this.updated++;
}
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