#1: code moved and refactored

.gitignore

@@ -1,22 +1,10 @@
-# Compiled class file
-*.class
-
-# Log file
+.*
+*.bak
 *.log
-
-# BlueJ files
-*.ctxt
-
-# Mobile Tools for Java (J2ME)
-.mtj.tmp/
-
-# Package Files #
-*.jar
-*.war
-*.ear
-*.zip
-*.tar.gz
-*.rar
-
-# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
-hs_err_pid*
+*.diff
+*.patch
+*.iml
+target
+eclipse-target
+gwt-unitCache
+war

README.adoc

@@ -0,0 +1,14 @@
+= Mature Modular Meta-framework (mmm)
+
+image:https://raw.github.com/m-m-m/mmm/master/src/site/resources/images/logo.png[logo]
+
+*Welcome to the wonderful world of http://m-m-m.sourceforge.net/index.html[mmm]*
+
+== mmm-property
+
+image:https://travis-ci.org/m-m-m/property.svg?branch=master["build-status",link="https://travis-ci.org/m-m-m/property"]
+
+The `mmm-property` brings extended property support with build in type reflection and validation support as well as JavaFx compatibility.
+
+* https://m-m-m.github.io/maven/apidocs/net/sf/mmm/property/api/package-summary.html#package.description[Properties API]
+* https://m-m-m.github.io/maven/apidocs/[and much more... ]

api/pom.xml

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+<?xml version='1.0' encoding='UTF-8'?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <groupId>net.sf.m-m-m</groupId>
+    <artifactId>mmm-property-modules</artifactId>
+    <version>dev-SNAPSHOT</version>
+    <relativePath>../modules/pom.xml</relativePath>
+  </parent>
+  <artifactId>mmm-property-api</artifactId>
+  <version>${net.sf.mmm.property.version}</version>
+  <packaging>jar</packaging>
+  <name>${project.artifactId}</name>
+  <description>The API for advanced properties and beans.</description>
+
+  <dependencies>
+    <dependency>
+      <groupId>${project.groupId}</groupId>
+      <artifactId>mmm-util-validation</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>${project.groupId}</groupId>
+      <artifactId>mmm-util-json</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>${project.groupId}</groupId>
+      <artifactId>mmm-util-data</artifactId>
+    </dependency>
+  </dependencies>
+
+</project>

api/src/main/java/net/sf/mmm/property/api/AbstractContainerProperty.java

@@ -0,0 +1,105 @@
+/* Copyright (c) The m-m-m Team, Licensed under the Apache License, Version 2.0
+ * http://www.apache.org/licenses/LICENSE-2.0 */
+package net.sf.mmm.property.api;
+
+import java.util.function.Supplier;
+
+import net.sf.mmm.property.api.lang.BooleanProperty;
+import net.sf.mmm.property.api.lang.ReadableBooleanProperty;
+import net.sf.mmm.property.api.math.IntegerProperty;
+import net.sf.mmm.property.api.math.ReadableIntegerProperty;
+import net.sf.mmm.property.api.util.ReadableContainerProperty;
+import net.sf.mmm.util.reflect.api.GenericType;
+import net.sf.mmm.util.validation.base.AbstractValidator;
+
+/**
+ * This is the abstract base implementation of {@link WritableProperty} and {@link ReadableContainerProperty}.
+ *
+ * @param <V> the generic type of the {@link #getValue() value}.
+ *
+ * @author hohwille
+ * @since 1.0.0
+ */
+public abstract class AbstractContainerProperty<V> extends AbstractValueProperty<V> implements ReadableContainerProperty<V> {
+
+  private final GenericType<? extends V> type;
+
+  private IntegerProperty sizeProperty;
+
+  private BooleanProperty emptyProperty;
+
+  /**
+   * The constructor.
+   *
+   * @param name - see {@link #getName()}.
+   * @param type - see {@link #getType()}.
+   * @param bean - see {@link #getBean()}.
+   */
+  public AbstractContainerProperty(String name, GenericType<? extends V> type, Object bean) {
+    this(name, type, bean, (AbstractValidator<? super V>) null);
+  }
+
+  /**
+   * The constructor.
+   *
+   * @param name - see {@link #getName()}.
+   * @param type - see {@link #getType()}.
+   * @param bean - see {@link #getBean()}.
+   * @param validator - see {@link #validate()}.
+   */
+  public AbstractContainerProperty(String name, GenericType<? extends V> type, Object bean, AbstractValidator<? super V> validator) {
+    super(name, bean, validator);
+    this.type = type;
+  }
+
+  /**
+   * The constructor.
+   *
+   * @param name - see {@link #getName()}.
+   * @param type - see {@link #getType()}.
+   * @param bean - see {@link #getBean()}.
+   * @param expression the {@link Supplier} {@link Supplier#get() providing} the actual {@link #getValue() value}.
+   */
+  public AbstractContainerProperty(String name, GenericType<? extends V> type, Object bean, Supplier<? extends V> expression) {
+    super(name, bean, expression);
+    this.type = type;
+  }
+
+  @Override
+  public GenericType<? extends V> getType() {
+
+    return this.type;
+  }
+
+  @Override
+  public ReadableIntegerProperty sizeProperty() {
+
+    if (this.sizeProperty == null) {
+      this.sizeProperty = new IntegerProperty(getName() + ".size", getBean(), () -> Integer.valueOf(size()));
+    }
+    return this.sizeProperty;
+  }
+
+  @Override
+  public ReadableBooleanProperty emptyProperty() {
+
+    if (this.emptyProperty == null) {
+      this.emptyProperty = new BooleanProperty(getName() + ".empty", getBean(), () -> Boolean.valueOf(isEmpty()));
+    }
+    return this.emptyProperty;
+  }
+
+  /**
+   * Invalidates internal properties such as {@link #sizeProperty()} and {@link #emptyProperty()}.
+   */
+  protected void invalidateProperties() {
+
+    if (this.sizeProperty != null) {
+      this.sizeProperty.fireValueChangedEvent();
+    }
+    if (this.emptyProperty != null) {
+      this.emptyProperty.fireValueChangedEvent();
+    }
+  }
+
+}