+/*
+ * Copyright (C) 2001, 2002 The Mir-coders group
+ *
+ * This file is part of Mir.
+ *
+ * Mir 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Mir 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 Mir; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * In addition, as a special exception, The Mir-coders gives permission to link
+ * the code of this program with any library licensed under the Apache Software License,
+ * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
+ * (or with modified versions of the above that use the same license as the above),
+ * and distribute linked combinations including the two. You must obey the
+ * GNU General Public License in all respects for all of the code used other than
+ * the above mentioned libraries. If you modify this file, you may extend this
+ * exception to your version of the file, but you are not obligated to do so.
+ * If you do not wish to do so, delete this exception statement from your version.
+ */
package mir.producer;
-import java.util.*;
-import java.io.*;
-import mir.entity.adapter.*;
-import mir.entity.*;
-import mir.storage.*;
-import mir.util.*;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.Vector;
-public class EntityBatchingProducerNode implements ProducerNode {
- private Map verbs;
+import mir.entity.adapter.EntityAdapterModel;
+import mir.entity.adapter.EntityIteratorAdapter;
+import mir.log.LoggerWrapper;
+import mir.util.ParameterExpander;
+public class EntityBatchingProducerNode implements ProducerNode {
private String batchInfoKey;
private String batchDataKey;
private EntityAdapterModel model;
private String nrEntitiesToSkipExpression;
private String nrEntitiesPerBatchExpression;
private String minNrEntitiesInFirstBatchExpression;
- private String defaultNrBatchesToProcessExpression;
+ private String nrBatchesToProcessExpression;
private ProducerNode batchSubNode;
private ProducerNode batchListSubNode;
String aDefinition,
String aWhereClause,
String anOrderByClause,
- int anrEntitiesPerBatchExpression,
- int aminNrEntitiesInFirstBatchExpression,
- int anrEntitiesToSkipExpression,
- ProducerNode aBatchSubNode) {
- this(aBatchDataKey, aBatchInfoKey, aModel, aDefinition, aWhereClause,
- anOrderByClause, anrEntitiesPerBatchExpression, aminNrEntitiesInFirstBatchExpression, anrEntitiesToSkipExpression,
- aBatchSubNode, null);
- }
-
- public EntityBatchingProducerNode(
- String aBatchDataKey,
- String aBatchInfoKey,
- EntityAdapterModel aModel,
- String aDefinition,
- String aWhereClause,
- String anOrderByClause,
- int aNrEntitiesPerBatch,
- int aMinNrEntitiesInFirstBatch,
- int aNrEntitiesToSkip,
- ProducerNode aBatchSubNode,
- ProducerNode aBatchListSubNode) {
-
- this(aBatchDataKey, aBatchInfoKey, aModel, aDefinition,
- aWhereClause, anOrderByClause,
- Integer.toString(aNrEntitiesPerBatch),
- Integer.toString(aMinNrEntitiesInFirstBatch),
- Integer.toString(aNrEntitiesToSkip),
- "1",
- aBatchSubNode, aBatchListSubNode);
-
- }
-
- public EntityBatchingProducerNode(
- String aBatchDataKey,
- String aBatchInfoKey,
- EntityAdapterModel aModel,
- String aDefinition,
- String aWhereClause,
- String anOrderByClause,
String anrEntitiesPerBatchExpression,
String aminNrEntitiesInFirstBatchExpression,
String anrEntitiesToSkipExpression,
- String aDefaultNrBatchesToProcessExpression,
+ String aNrBatchesToProcessExpression,
ProducerNode aBatchSubNode,
ProducerNode aBatchListSubNode) {
batchSubNode = aBatchSubNode;
batchListSubNode = aBatchListSubNode;
- verbs = new HashMap();
-
batchDataKey = aBatchDataKey;
batchInfoKey = aBatchInfoKey;
model = aModel;
nrEntitiesToSkipExpression = anrEntitiesToSkipExpression;
nrEntitiesPerBatchExpression = anrEntitiesPerBatchExpression;
minNrEntitiesInFirstBatchExpression = aminNrEntitiesInFirstBatchExpression;
- defaultNrBatchesToProcessExpression = aDefaultNrBatchesToProcessExpression;
+ nrBatchesToProcessExpression = aNrBatchesToProcessExpression;
+ }
+
+ protected boolean isAborted(Map aValueMap) {
+ Object producerValue = aValueMap.get(NodedProducer.PRODUCER_KEY);
+ return (
+ (producerValue instanceof NodedProducer) &&
+ ((NodedProducer) producerValue).getIsAborted());
}
- public void produce(Map aValueMap, String aVerb, PrintWriter aLogger) throws ProducerFailure {
+ public void produce(Map aValueMap, String aVerb, LoggerWrapper aLogger) throws ProducerFailure {
Iterator browser;
int nrEntities;
int nrBatchesAfterFirst;
Map batchData;
String expandedWhereClause;
String expandedOrderByClause;
- EntityBatchingProducerNodeVerb verb = (EntityBatchingProducerNodeVerb) verbs.get(aVerb);
List batchLocations;
BatchLocation location;
try {
- if (verb==null) {
- nrBatchesToProcess = ParameterExpander.evaluateIntegerExpressionWithDefault( aValueMap, defaultNrBatchesToProcessExpression, -1 );
- }
- else {
- nrBatchesToProcess=verb.nrBatchesToProcess;
- }
+ nrBatchesToProcess = ParameterExpander.evaluateIntegerExpressionWithDefault( aValueMap, nrBatchesToProcessExpression, -1 );
expandedWhereClause = ParameterExpander.expandExpression( aValueMap, whereClause );
expandedOrderByClause = ParameterExpander.expandExpression( aValueMap, orderByClause );
batchData.put("last", batchesData.get(batchesData.size()-1));
batchData.put("count", new Integer(batchesData.size()));
- if (batchListSubNode!=null) {
+ if (batchListSubNode!=null && (!isAborted(aValueMap))) {
batchListSubNode.produce(aValueMap, aVerb, aLogger);
}
}
if (batchSubNode!=null) {
- for (i=0; i<nrBatchesToProcess; i++) {
+ for (i=0; i<nrBatchesToProcess && !isAborted(aValueMap); i++) {
location = (BatchLocation) batchLocations.get(i);
batchData.put("current", batchesData.get(i));
}
}
catch (Throwable t) {
- throw new ProducerFailure(t.getMessage(), t);
+ aLogger.error("EntityBatchingProducerNode caused an exception: " + t.getMessage());
}
};
nrEntities = aNrEntities;
}
}
-
- public Set buildVerbSet() {
- return verbs.keySet();
- };
-
- public void addVerb(String aVerb, int aNrPagesToGenerate) {
- verbs.put(aVerb, new EntityBatchingProducerNodeVerb(aNrPagesToGenerate));
- }
-
- private class EntityBatchingProducerNodeVerb {
- int nrBatchesToProcess;
-
- EntityBatchingProducerNodeVerb(int aNrBatchesToProcess) {
- nrBatchesToProcess = aNrBatchesToProcess;
- }
- }
}
projects / mir.git / blobdiff