tylertreat

public class FooEntity {

    private ValueHolder relatedEntity;

    public BarEntity getRelatedEntity() {
        return (BarEntity) relatedEntity.getValue();
    }

}

tylertreat

public class FooEntity {

    enum Status { GHOST, LOADING, LOADED };

    private Status status;
    private long id;
    private BarEntity relatedEntity;

    public FooEntity(long id) {
        this.id = id;

tylertreat

public class FooEntity {

    private BarEntity relatedEntity;

    public BarEntity getRelatedEntity() {
        if (relatedEntity == null)
            relatedEntity = new BarEntity(); // Alternatively, this might be a database call
        return relatedEntity;
    }

tylertreat

private void addChildContexts(XmlApplicationContext parent) {
    for (Module module : Module.values()) {
        if (ModuleUtils.hasModule(module))
            parent.addChildContext(module.initialize(parent));
    }
}

tylertreat

public enum Module {

    ORM(ORM_MARKER_CLASS, ORM_CONTEXT_CLASS),
    AOP(AOP_MARKER_CLASS, AOP_CONTEXT_CLASS),
    WEB(WEB_MARKER_CLASS, WEB_CONTEXT_CLASS);

    // ...

    public InfinitumContext initialize(InfinitumContext parent) {
        try {

tylertreat

public static boolean hasModule(Module module) {
    return hasClass(module.getMarkerClass());
}

private static boolean hasClass(String name) {
    try {
        Thread.currentThread().getContextClassLoader().loadClass(name);
        return true;
    } catch (ClassNotFoundException e) {
        return false;

tylertreat

$ find . -name "*.java" -print0 | xargs -0 sed -i -e '/This file is part of Infinitum Framework./,/along with Infinitum Framework/c\
 * Licensed under the Apache License, Version 2.0 (the "License");\
 * you may not use this file except in compliance with the License.\
 * You may obtain a copy of the License at\
 *\
 * http://www.apache.org/licenses/LICENSE-2.0\
 *\
 * Unless required by applicable law or agreed to in writing, software\
 * distributed under the License is distributed on an "AS IS" BASIS,\
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\

tylertreat

$ sed -i -e '/Replace everything from this line/,/To this line/c\
With this line' file.txt

tylertreat

$ find . -name "*.java" -print0 | xargs -0 sed -i 's/foo/bar/g'

tylertreat

/*
 * Copyright (c) 2012 Tyler Treat
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software