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[261644] [dstore] remote search improvements

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-updating with changes that had gone into 3.0.3
This commit is contained in:
David McKnight 2009-02-10 21:20:59 +00:00
parent 26c3107d80
commit 8be739b9a0
1 changed files with 29 additions and 41 deletions
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70
rse/plugins/org.eclipse.rse.services.dstore/miners/org/eclipse/rse/internal/dstore/universal/miners/filesystem/UniversalSearchHandler.java
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@ -1,5 +1,5 @@
/*******************************************************************************
* Copyright (c) 2006, 2008 IBM Corporation and others.
* Copyright (c) 2006, 2009 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
@ -30,10 +30,7 @@ import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.HashSet;
import java.util.List;
import org.eclipse.dstore.core.model.DE;
import org.eclipse.dstore.core.model.DataElement;
@ -363,48 +360,39 @@ public class UniversalSearchHandler extends SecuredThread implements ICancellabl
long MAX_FILE = Runtime.getRuntime().freeMemory() / 4;
long fileLength = theFile.length();
//System.out.println("file="+absPath);
//System.out.println("MAX mem="+MAX_FILE);
//System.out.println("fileLength="+fileLength);
//if (fileLength < MAX_FILE)
if (true){ // if the file is too big, the server will run out of memory
inputStream = new FileInputStream(theFile);
InputStreamReader reader = new InputStreamReader(inputStream);
BufferedReader bufReader = new BufferedReader(reader);
// test for unreadable binary
if (isUnreadableBinary(bufReader) || fileLength > MAX_FILE){
// search some other way?
long size = theFile.length();
if (simpleSearch(inputStream, size, _stringMatcher)){
bufReader.close();
reader.close();
return true;
}
inputStream = new FileInputStream(theFile);
InputStreamReader reader = new InputStreamReader(inputStream);
BufferedReader bufReader = new BufferedReader(reader);
// test for unreadable binary
if (isUnreadableBinary(bufReader) || fileLength > MAX_FILE){
// search some other way?
long size = theFile.length();
if (simpleSearch(inputStream, size, _stringMatcher)){
bufReader.close();
reader.close();
return false;
return true;
}
else
{
SystemSearchStringMatchLocator locator = new SystemSearchStringMatchLocator(bufReader, _stringMatcher);
SystemSearchLineMatch[] matches = locator.locateMatches();
boolean foundMatches = ((matches != null) && (matches.length > 0));
if (foundMatches) {
if (matches.length * 500 < MAX_FILE){ // only creating match objects if we have enough memory
convert(remoteFile, absPath, matches);
}
}
return foundMatches;
}
}
else {
_dataStore.trace("skipped:"+absPath + " due to memory constraints"); //$NON-NLS-1$ //$NON-NLS-2$
bufReader.close();
reader.close();
return false;
}
else
{
SystemSearchStringMatchLocator locator = new SystemSearchStringMatchLocator(bufReader, _stringMatcher);
SystemSearchLineMatch[] matches = locator.locateMatches();
boolean foundMatches = ((matches != null) && (matches.length > 0));
if (foundMatches) {
if (matches.length * 500 < MAX_FILE){ // only creating match objects if we have enough memory
convert(remoteFile, absPath, matches);
}
}
return foundMatches;
}
}
catch (OutOfMemoryError e){
if (SystemServiceManager.getInstance().getSystemService() == null)