Use text flow id index for excluding option in tm search

zanata-model/src/main/java/org/zanata/hibernate/search/DateBridge.java

@@ -0,0 +1,58 @@
+/*
+ * Copyright 2014, Red Hat, Inc. and individual contributors as indicated by the
+ * @author tags. See the copyright.txt file in the distribution for a full
+ * listing of individual contributors.
+ *
+ * This is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free
+ * Software Foundation; either version 2.1 of the License, or (at your option)
+ * any later version.
+ *
+ * This software 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 Lesser General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this software; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA, or see the FSF
+ * site: http://www.fsf.org.
+ */
+package org.zanata.hibernate.search;
+
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+import org.hibernate.search.bridge.TwoWayStringBridge;
+import org.zanata.common.ContentState;
+
+public class DateBridge implements TwoWayStringBridge {
+
+    private final static String DATE_FORMAT = "yyyy-MM-dd hh:mm:ss";
+
+    private final SimpleDateFormat dateFormat = new SimpleDateFormat(
+            DATE_FORMAT);
+
+    @Override
+    public String objectToString(Object value) {
+        if (value instanceof Date) {
+            Date date = (Date) value;
+            return dateFormat.format(date);
+        } else {
+            throw new IllegalArgumentException(
+                    "DateBridge used on a non-Date type: " + value.getClass());
+        }
+    }
+
+    @Override
+    public Object stringToObject(String date) {
+        try {
+            return dateFormat.parse(date);
+        } catch (ParseException e) {
+            throw new IllegalArgumentException(
+                    "DateBridge used on invalid date format: " + date);
+        }
+    }
+
+}

zanata-model/src/main/java/org/zanata/hibernate/search/IndexFieldLabels.java

@@ -17,6 +17,7 @@ public interface IndexFieldLabels {
     public static final String DOCUMENT_ID_FIELD = "documentId";
     public static final String LOCALE_ID_FIELD = "locale";
     public static final String CONTENT_STATE_FIELD = "state";
+    public static final String LAST_CHANGE_FIELD = "lastChanged";
 
     public static final String TF_CONTENT = "textFlow.content-nocase";
     public static final String CONTENT = "content-nocase";

zanata-model/src/main/java/org/zanata/model/HTextFlowTarget.java

@@ -23,6 +23,7 @@
 import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Date;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -42,6 +43,8 @@
 import javax.persistence.PostPersist;
 import javax.persistence.PostUpdate;
 import javax.persistence.PreUpdate;
+import javax.persistence.Temporal;
+import javax.persistence.TemporalType;
 import javax.persistence.Transient;
 import javax.validation.constraints.NotNull;
 
@@ -65,6 +68,7 @@
 import org.zanata.common.HasContents;
 import org.zanata.common.LocaleId;
 import org.zanata.hibernate.search.ContentStateBridge;
+import org.zanata.hibernate.search.DateBridge;
 import org.zanata.hibernate.search.IndexFieldLabels;
 import org.zanata.hibernate.search.LocaleIdBridge;
 import org.zanata.hibernate.search.StringListBridge;
@@ -83,7 +87,7 @@
  *
  */
 @Entity
-@EntityListeners({HTextFlowTarget.EntityListener.class})
+@EntityListeners({ HTextFlowTarget.EntityListener.class })
 @Cache(usage = CacheConcurrencyStrategy.READ_WRITE)
 @Indexed
 @Setter
@@ -207,6 +211,15 @@ HTextFlow getTextFlow() {
         return textFlow;
     }
 
+    @Temporal(TemporalType.TIMESTAMP)
+    @Column(nullable = false)
+    @Field(analyze = Analyze.NO)
+    @FieldBridge(impl = DateBridge.class)
+    @Override
+    public Date getLastChanged() {
+        return super.getLastChanged();
+    }
+
     /**
      * As of release 1.6, replaced by {@link #getContents()}
      *

zanata-war/src/main/java/org/zanata/service/impl/CopyTransServiceImpl.java

@@ -64,10 +64,10 @@ public class CopyTransServiceImpl implements CopyTransService {
      * Copies previous matching translations for the given locale into a
      * document. Translations are matching if their document id, textflow id and
      * source content are identical, and their state is approved.
-     * 
+     *
      * The text flow revision for copied targets is set to the current text flow
      * revision.
-     * 
+     *
      * @param document
      *            the document to copy translations into
      * @param targetLocale
@@ -102,7 +102,7 @@ private void copyTransForDocumentLocale(HDocument document,
 
     /**
      * Perform copy trans on a batch of text flows for a document.
-     * 
+     *
      * @param batchStart
      *            USE_HIBERNATE_SEARCH The text flow position to start copying.
      * @param batchLength

zanata-war/src/main/java/org/zanata/service/impl/TranslationMemoryServiceImpl.java

@@ -115,7 +115,7 @@ public class TranslationMemoryServiceImpl implements TranslationMemoryService {
     /**
      * This is used by CopyTrans, with ContentHash search in lucene. Returns
      * first entry of the matches which sort by HTextFlowTarget.lastChanged DESC
-     * 
+     *
      * @param textFlow
      * @param targetLocaleId
      * @param sourceLocaleId
@@ -156,7 +156,7 @@ public int compare(Object[] o1, Object[] o2) {
     /**
      * This is used by TMMerge. Returns first entry of the matches which sort by
      * similarityPercent, sourceContents, and contents size.
-     * 
+     *
      * @param textFlow
      * @param targetLocaleId
      * @param sourceLocaleId
@@ -247,7 +247,7 @@ private TransMemoryQuery buildTMQuery(HTextFlow textFlow,
     /**
      * return match[0] = (float)score, match[1] = entity(HTextFlowTarget or
      * TransMemoryUnit)
-     * 
+     *
      * @param targetLocaleId
      * @param sourceLocaleId
      * @param transMemoryQuery
@@ -544,7 +544,7 @@ private List<Object[]> getSearchResult(TransMemoryQuery query,
     /**
      * Generate the query to match all source contents in all the searchable
      * indexes. (HTextFlowTarget and TransMemoryUnit)
-     * 
+     *
      * @param query
      * @param sourceLocale
      * @param targetLocale
@@ -578,7 +578,7 @@ private Query generateQuery(TransMemoryQuery query, LocaleId sourceLocale,
     /**
      * Generates the Hibernate Search Query that will search for
      * {@link HTextFlowTarget} objects for matches.
-     * 
+     *
      * @param queryParams
      * @param sourceLocale
      * @param targetLocale
@@ -626,7 +626,7 @@ private Query generateTextFlowTargetQuery(TransMemoryQuery queryParams,
 
     /**
      * Build query for project, document and resId context
-     * 
+     *
      * @param queryParams
      * @return
      */
@@ -709,7 +709,7 @@ private static TermQuery buildStateQuery(ContentState state) {
     /**
      * Generates the Hibernate Search Query that will search for
      * {@link org.zanata.model.tm.TransMemoryUnit} objects for matches.
-     * 
+     *
      * @param sourceLocale
      * @param targetLocale
      * @param queryText
@@ -740,7 +740,7 @@ private Query generateTransMemoryQuery(LocaleId sourceLocale,
     /**
      * Joins a given set of queries into a single one with the specified
      * occurrence condition.
-     * 
+     *
      * @param condition
      *            The occurrence condition all the joined queries will have.
      * @param queries

zanata-war/src/main/java/org/zanata/webtrans/shared/model/TransMemoryQuery.java

@@ -31,7 +31,7 @@
 /**
  * @author Sean Flanigan <a
  *         href="mailto:sflaniga@redhat.com">sflaniga@redhat.com</a>
- * 
+ *
  */
 public class TransMemoryQuery implements IsSerializable {
     private SearchType searchType;