Author: tv
Date: Thu Nov 28 09:33:37 2019
New Revision: 1870544
URL: http://svn.apache.org/viewvc?rev=1870544&view=rev
Log:
Better localization support for progress text
Modified:
db/torque/torque4/trunk/torque-runtime/src/main/java/org/apache/torque/util/LargeSelect.java
Modified:
db/torque/torque4/trunk/torque-runtime/src/main/java/org/apache/torque/util/LargeSelect.java
URL:
http://svn.apache.org/viewvc/db/torque/torque4/trunk/torque-runtime/src/main/java/org/apache/torque/util/LargeSelect.java?rev=1870544&r1=1870543&r2=1870544&view=diff
==============================================================================
---
db/torque/torque4/trunk/torque-runtime/src/main/java/org/apache/torque/util/LargeSelect.java
(original)
+++
db/torque/torque4/trunk/torque-runtime/src/main/java/org/apache/torque/util/LargeSelect.java
Thu Nov 28 09:33:37 2019
@@ -22,14 +22,15 @@ package org.apache.torque.util;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.Serializable;
+import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.Hashtable;
import java.util.List;
import java.util.Map;
import java.util.concurrent.CopyOnWriteArrayList;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
+import org.apache.logging.log4j.Logger;
+import org.apache.logging.log4j.LogManager;
import org.apache.torque.Torque;
import org.apache.torque.TorqueException;
import org.apache.torque.criteria.Criteria;
@@ -175,18 +176,29 @@ public class LargeSelect<T> implements R
*/
private BasePeerImpl<T> peer = null;
+ /** default MessageFormat pattern for the page progress text */
+ public static final String DEFAULT_PAGE_PROGRESS_TEXT_PATTERN = "{0} of
{1,choice,0#> |1#}{2}";
+
/**
- * The default value (">") used to indicate that the total number of
- * records or pages is unknown.
+ * The MessageFormat pattern to format a page progress.
+ * The default <pre>{0} of {1,choice,0#> |1#}{2}</pre> formats as
<pre>2 of 3</pre>.
+ * if the total number of records or pages is unknown, the pattern formats
as <pre>2 of > 3</pre>.
+ * You can use <code>setPageProgressTextPattern()</code>
+ * to change this to whatever value you like.
*/
- public static final String DEFAULT_MORE_INDICATOR = ">";
+ private String pageProgressTextPattern =
DEFAULT_PAGE_PROGRESS_TEXT_PATTERN;
+ /** default MessageFormat pattern for the record progress text */
+ public static final String DEFAULT_RECORD_PROGRESS_TEXT_PATTERN = "{0} -
{1} of {2,choice,0#> |1#}{3}";
+
/**
- * The value used to indicate that the total number of records or pages is
- * unknown (default: ">"). You can use <code>setMoreIndicator()</code>
- * to change this to whatever value you like (e.g. "more than").
+ * The MessageFormat pattern to format a record progress.
+ * The default <pre>{0} - {1} of {2,choice,0#> |1#}{3}</pre> formats as
<pre>1 - 25 of 100</pre>.
+ * if the total number of records or pages is unknown, the pattern formats
as <pre>1 - 25 of > 100</pre>.
+ * You can use <code>setRecordProgressTextPattern()</code>
+ * to change this to whatever value you like.
*/
- private String moreIndicator = DEFAULT_MORE_INDICATOR;
+ private String recordProgressTextPattern =
DEFAULT_RECORD_PROGRESS_TEXT_PATTERN;
/**
* The default value for the maximum number of pages of data to be retained
@@ -215,7 +227,7 @@ public class LargeSelect<T> implements R
private Map<String, String> params = null;
/** Logging */
- private static Log log = LogFactory.getLog(LargeSelect.class);
+ private static final Logger log = LogManager.getLogger(LargeSelect.class);
/**
* Creates a LargeSelect whose results are returned as a <code>List</code>
@@ -408,11 +420,7 @@ public class LargeSelect<T> implements R
private synchronized List<T> getResults(final int start, final int size)
throws TorqueException
{
- if (log.isDebugEnabled())
- {
- log.debug("getResults(start: " + start
- + ", size: " + size + ") invoked.");
- }
+ log.debug("getResults(start: {}, size: {}) invoked.", start, size);
if (size > memoryLimit)
{
@@ -425,13 +433,9 @@ public class LargeSelect<T> implements R
// retrieved.
if (start >= blockBegin && (start + size - 1) <= blockEnd)
{
- if (log.isDebugEnabled())
- {
- log.debug("getResults(): Sleeping until "
- + "start+size-1 (" + (start + size - 1)
- + ") > currentlyFilledTo (" + currentlyFilledTo
- + ") && !queryCompleted (!" + queryCompleted + ")");
- }
+ log.debug("getResults(): Sleeping until "
+ + "start+size-1 ({}) > currentlyFilledTo ({}) &&
!queryCompleted (!{})",
+ start + size - 1, currentlyFilledTo, queryCompleted);
while (((start + size - 1) > currentlyFilledTo) && !queryCompleted)
{
try
@@ -449,11 +453,9 @@ public class LargeSelect<T> implements R
// might want at least 2 sets of data.
else if (start < blockBegin && start >= 0)
{
- if (log.isDebugEnabled())
- {
- log.debug("getResults(): Paging backwards as start (" + start
- + ") < blockBegin (" + blockBegin + ") && start >= 0");
- }
+ log.debug("getResults(): Paging backwards as start "
+ + "({}) < blockBegin ({}) && start >= 0",
+ start, blockBegin);
stopQuery();
if (memoryLimit >= 2 * size)
{
@@ -476,12 +478,9 @@ public class LargeSelect<T> implements R
// Assume we are moving on, do not retrieve any records prior to start.
else if ((start + size - 1) > blockEnd)
{
- if (log.isDebugEnabled())
- {
- log.debug("getResults(): Paging past end of loaded data as "
- + "start+size-1 (" + (start + size - 1)
- + ") > blockEnd (" + blockEnd + ")");
- }
+ log.debug("getResults(): Paging past end of loaded data as
start+size-1 "
+ + "({}) > blockEnd ({})",
+ start + size - 1, blockEnd);
stopQuery();
blockBegin = start;
blockEnd = blockBegin + memoryLimit - 1;
@@ -489,7 +488,7 @@ public class LargeSelect<T> implements R
// Re-invoke getResults() to provide the wait processing.
return getResults(start, size);
}
-
+
else
{
throw new IllegalArgumentException("Parameter configuration not "
@@ -499,13 +498,10 @@ public class LargeSelect<T> implements R
int fromIndex = start - blockBegin;
int toIndex = fromIndex + Math.min(size, results.size() - fromIndex);
- if (log.isDebugEnabled())
- {
- log.debug("getResults(): Retrieving records from results elements "
- + "start-blockBegin (" + fromIndex + ") through "
- + "fromIndex + Math.min(size, results.size() - fromIndex)
("
- + toIndex + ")");
- }
+ log.debug("getResults(): Retrieving records from results elements "
+ + "start-blockBegin ({}) through fromIndex + "
+ + "Math.min(size, results.size() - fromIndex) ({})",
+ fromIndex, toIndex);
List<T> returnResults;
@@ -545,11 +541,10 @@ public class LargeSelect<T> implements R
// Execute the query.
if (log.isDebugEnabled())
{
- String query = SqlBuilder.buildQuery(criteria).toString();
- log.debug("run(): query = " + query);
- log.debug("run(): memoryLimit = " + memoryLimit);
- log.debug("run(): blockBegin = " + blockBegin);
- log.debug("run(): blockEnd = " + blockEnd);
+ log.debug("run(): query = {}",
SqlBuilder.buildQuery(criteria).toString());
+ log.debug("run(): memoryLimit = {}", memoryLimit);
+ log.debug("run(): blockBegin = {}", blockBegin);
+ log.debug("run(): blockEnd = {}", blockEnd);
}
// Continue getting rows one page at a time until the memory limit
@@ -560,10 +555,7 @@ public class LargeSelect<T> implements R
&& !allRecordsRetrieved
&& currentlyFilledTo + pageSize <= blockEnd)
{
- if (log.isDebugEnabled())
- {
- log.debug("run(): Invoking BasePeerImpl.doSelect()");
- }
+ log.debug("run(): Invoking BasePeerImpl.doSelect()");
List<T> tempResults = peer.doSelect(
criteria,
@@ -625,15 +617,14 @@ public class LargeSelect<T> implements R
if (log.isDebugEnabled())
{
log.debug("run(): While loop terminated because either:");
- log.debug("run(): 1. qds.allRecordsRetrieved(): "
- + allRecordsRetrieved);
- log.debug("run(): 2. killThread: " + killThread);
- log.debug("run(): 3. !(currentlyFilledTo + size <= blockEnd):
!"
- + (currentlyFilledTo + pageSize <= blockEnd));
- log.debug("run(): - currentlyFilledTo: " + currentlyFilledTo);
- log.debug("run(): - size: " + pageSize);
- log.debug("run(): - blockEnd: " + blockEnd);
- log.debug("run(): - results.size(): " + results.size());
+ log.debug("run(): 1. qds.allRecordsRetrieved(): {}",
allRecordsRetrieved);
+ log.debug("run(): 2. killThread: {}", killThread);
+ log.debug("run(): 3. !(currentlyFilledTo + size <= blockEnd):
!{}",
+ currentlyFilledTo + pageSize <= blockEnd);
+ log.debug("run(): - currentlyFilledTo: {}", currentlyFilledTo);
+ log.debug("run(): - size: {}", pageSize);
+ log.debug("run(): - blockEnd: {}", blockEnd);
+ log.debug("run(): - results.size(): {}", results.size());
}
}
catch (TorqueException e)
@@ -647,10 +638,7 @@ public class LargeSelect<T> implements R
// Make sure getResults() finally returns if we die.
queryCompleted = true;
- if (log.isDebugEnabled())
- {
- log.debug("Exiting query thread");
- }
+ log.debug("Exiting query thread");
}
}
@@ -661,10 +649,7 @@ public class LargeSelect<T> implements R
*/
private synchronized void startQuery(final int initialSize)
{
- if (log.isDebugEnabled())
- {
- log.debug("Starting query thread");
- }
+ log.debug("Starting query thread");
if (!threadRunning)
{
pageSize = initialSize;
@@ -674,10 +659,7 @@ public class LargeSelect<T> implements R
thread.setName("LargeSelect query Thread");
thread.start();
threadRunning = true;
- if (log.isDebugEnabled())
- {
- log.debug("query thread started");
- }
+ log.debug("query thread started");
}
}
@@ -689,10 +671,7 @@ public class LargeSelect<T> implements R
*/
private synchronized void stopQuery() throws TorqueException
{
- if (log.isDebugEnabled())
- {
- log.debug("stopQuery(): Stopping query thread");
- }
+ log.debug("stopQuery(): Stopping query thread");
if (threadRunning)
{
killThread = true;
@@ -707,10 +686,7 @@ public class LargeSelect<T> implements R
}
killThread = false;
- if (log.isDebugEnabled())
- {
- log.debug("stopQuery(): query thread stopped.");
- }
+ log.debug("stopQuery(): query thread stopped.");
}
}
@@ -807,23 +783,68 @@ public class LargeSelect<T> implements R
}
/**
- * Provide a way of changing the more pages/records indicator.
- *
- * @param moreIndicator the indicator to use in place of the default
- * (">").
+ * Retrieve the MessageFormat pattern for the page progress
+ * The default is <pre>{0} of {1,choice,0#> |1#}{2}</pre>
+ *
+ * @return the pattern as a string
+ */
+ public String getPageProgressTextPattern()
+ {
+ return pageProgressTextPattern;
+ }
+
+ /**
+ * Set the MessageFormat pattern for the page progress.
+ * The default is <pre>{0} of {1,choice,0#> |1#}{2}</pre>
+ * <p>
+ * The pattern contains three placeholders
+ * <ul>
+ * <li>{0} - the current page</li>
+ * <li>{1} - 0 if the total number of pages is not yet known, 1
otherwise</li>
+ * <li>{2} - the total number of pages</li>
+ * </ul>
+ * <p>
+ * Localized example in German:<br>
+ * <pre>Seite {0} von {1,choice,0#mehr als |1#}{2}</pre>
+ *
+ * @param pageProgressTextPattern
*/
- public void setMoreIndicator(final String moreIndicator)
+ public void setPageProgressTextPattern(String pageProgressTextPattern)
{
- this.moreIndicator = moreIndicator;
+ this.pageProgressTextPattern = pageProgressTextPattern;
}
/**
- * Retrieve the more pages/records indicator.
- * @return string indicating if there are more pages/records
+ * Retrieve the MessageFormat pattern for the record progress
+ * The default is <pre>{0} - {1} of {2,choice,0#> |1#}{3}</pre>
+ *
+ * @return the pattern as a string
+ */
+ public String getRecordProgressTextPattern()
+ {
+ return recordProgressTextPattern;
+ }
+
+ /**
+ * Set the MessageFormat pattern for the record progress.
+ * The default is <pre>{0} - {1} of {2,choice,0#> |1#}{3}</pre>
+ * <p>
+ * The pattern contains four placeholders
+ * <ul>
+ * <li>{0} - number of the first record on the page</li>
+ * <li>{1} - number of the last record on the page</li>
+ * <li>{2} - 0 if the total number of records is not yet known, 1
otherwise</li>
+ * <li>{3} - the total number of records</li>
+ * </ul>
+ * <p>
+ * Localized example in German:<br>
+ * <pre>Datensätze {0} bis {1} von {2,choice,0#mehr als |1#}{3}</pre>
+ *
+ * @param recordProgressTextPattern
*/
- public String getMoreIndicator()
+ public void setRecordProgressTextPattern(String recordProgressTextPattern)
{
- return this.moreIndicator;
+ this.recordProgressTextPattern = recordProgressTextPattern;
}
/**
@@ -861,16 +882,10 @@ public class LargeSelect<T> implements R
*/
public String getPageProgressText()
{
- StringBuilder result = new StringBuilder();
- result.append(getCurrentPageNumber());
- result.append(" of ");
- if (!totalsFinalized)
- {
- result.append(moreIndicator);
- result.append(" ");
- }
- result.append(getTotalPages());
- return result.toString();
+ return MessageFormat.format(getPageProgressTextPattern(),
+ getCurrentPageNumber(),
+ totalsFinalized ? 1 : 0,
+ getTotalPages());
}
/**
@@ -936,18 +951,11 @@ public class LargeSelect<T> implements R
*/
public String getRecordProgressText() throws TorqueException
{
- StringBuilder result = new StringBuilder();
- result.append(getFirstRecordNoForPage());
- result.append(" - ");
- result.append(getLastRecordNoForPage());
- result.append(" of ");
- if (!totalsFinalized)
- {
- result.append(moreIndicator);
- result.append(" ");
- }
- result.append(getTotalRecords());
- return result.toString();
+ return MessageFormat.format(getRecordProgressTextPattern(),
+ getFirstRecordNoForPage(),
+ getLastRecordNoForPage(),
+ totalsFinalized ? 1 : 0,
+ getTotalRecords());
}
/**
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