/*
* Copyright (c) 1998-2010 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source 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.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.make;
import com.caucho.loader.DynamicClassLoader;
import com.caucho.util.Alarm;
import com.caucho.util.Log;
import com.caucho.vfs.PersistentDependency;
import com.caucho.vfs.Dependency;
import java.util.ArrayList;
import java.util.logging.Logger;
/**
* Contains a set of dependencies.
*/
public class DependencyList implements PersistentDependency
{
private ArrayList<PersistentDependency> _dependencyList
= new ArrayList<PersistentDependency>();
public DependencyList()
{
}
/**
* Adds a dependency.
*/
public DependencyList add(PersistentDependency dependency)
{
if (dependency == this)
throw new IllegalArgumentException("Can't add self as a dependency.");
if (! _dependencyList.contains(dependency))
_dependencyList.add(dependency);
// server/1d0w
// XXX: _lastCheckTime = 0;
return this;
}
/**
* Removes a dependency.
*/
public DependencyList remove(PersistentDependency dependency)
{
if (dependency == this)
throw new IllegalArgumentException("Can't remove self as a dependency.");
_dependencyList.remove(dependency);
return this;
}
/**
* Returns true if the underlying dependencies have changed.
*/
public boolean isModified()
{
for (int i = _dependencyList.size() - 1; i >= 0; i--) {
Dependency dependency = _dependencyList.get(i);
if (dependency.isModified()) {
return true;
}
}
return false;
}
/**
* Logs the reason for modification.
*/
public boolean logModified(Logger log)
{
for (int i = _dependencyList.size() - 1; i >= 0; i--) {
Dependency dependency = _dependencyList.get(i);
if (dependency.logModified(log))
return true;
}
return false;
}
/**
* Returns true if the underlying dependencies have changed, forcing a check.
*/
public boolean isModifiedNow()
{
return isModified();
}
/**
* Returns a string to recreate the dependency.
*/
public String getJavaCreateString()
{
StringBuilder sb = new StringBuilder();
sb.append("new com.caucho.make.DependencyList()");
for (int i = 0; i < _dependencyList.size(); i++) {
sb.append(".add(");
sb.append(_dependencyList.get(i).getJavaCreateString());
sb.append(")");
}
return sb.toString();
}
public String toString()
{
return "DependencyList" + _dependencyList;
}
}