added new cross-store module

spring-data-mongodb-cross-store/src/main/java/org/springframework/persistence/document/DocumentEntity.java

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+package org.springframework.persistence.document;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Annotation to denote an object that should be transparently persisted
+ * using MongoDB
+ * 
+ * @author Thomas Risberg
+ */
+
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.TYPE)
+public @interface DocumentEntity {
+
+}

spring-data-mongodb-cross-store/src/test/java/org/springframework/data/document/persistence/Account.java

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+package org.springframework.data.document.persistence;
+
+import javax.persistence.Entity;
+
+@Entity
+public class Account {
+
+    private String name;
+
+    private float balance;
+
+    private String friendlyName;
+
+    private String whatever;
+
+	public String getName() {
+		return name;
+	}
+
+	public void setName(String name) {
+		this.name = name;
+	}
+
+	public float getBalance() {
+		return balance;
+	}
+
+	public void setBalance(float balance) {
+		this.balance = balance;
+	}
+
+	public String getFriendlyName() {
+		return friendlyName;
+	}
+
+	public void setFriendlyName(String friendlyName) {
+		this.friendlyName = friendlyName;
+	}
+
+	public String getWhatever() {
+		return whatever;
+	}
+
+	public void setWhatever(String whatever) {
+		this.whatever = whatever;
+	}
+    
+
+}

spring-data-mongodb-cross-store/src/test/java/org/springframework/data/document/persistence/CrossStoreMongoTests.java

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+package org.springframework.data.document.persistence;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.test.annotation.Rollback;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.springframework.transaction.annotation.Transactional;
+
+import com.mongodb.Mongo;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@ContextConfiguration(locations = "classpath:/META-INF/spring/applicationContext.xml")
+public class CrossStoreMongoTests {
+
+	@Autowired
+	private Mongo mongo;
+
+	@Test
+//	@Transactional
+//	@Rollback(false)
+	public void testUserConstructor() {
+		int age = 33;
+		MongoPerson p = new MongoPerson("Thomas", age);
+		//Assert.assertEquals(p.getRedisValue().getString("RedisPerson.name"), p.getName());
+		Assert.assertEquals(age, p.getAge());
+		p.birthday();
+		Assert.assertEquals(1 + age, p.getAge());
+	}
+
+}

spring-data-mongodb-cross-store/src/test/java/org/springframework/data/document/persistence/MongoPerson.java

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+package org.springframework.data.document.persistence;
+
+import org.springframework.persistence.RelatedEntity;
+import org.springframework.persistence.document.DocumentEntity;
+ 
+@DocumentEntity
+public class MongoPerson {
+	
+	// TODO only public because of AspectJ bug
+	public String name;
+	
+	public int age;
+	
+	public java.util.Date birthDate;
+
+	// TODO only public to check weaving bug--
+	// seems to work whereas private didn't
+	@RelatedEntity
+	public Account account;
+
+	public MongoPerson(String name, int age) {
+		this.name = name;
+		this.age = age;
+		this.birthDate = new java.util.Date();
+	}
+
+	public void birthday() {
+		++age;
+	}
+
+	public String getName() {
+		return name;
+	}
+
+	public void setName(String name) {
+		this.name = name;
+	}
+
+	public int getAge() {
+		return age;
+	}
+
+	public void setAge(int age) {
+		this.age = age;
+	}
+
+	public java.util.Date getBirthDate() {
+		return birthDate;
+	}
+
+	public void setBirthDate(java.util.Date birthDate) {
+		this.birthDate = birthDate;
+	}
+
+	public Account getAccount() {
+		return account;
+	}
+
+	public void setAccount(Account account) {
+		this.account = account;
+	}
+
+}

spring-data-mongodb-cross-store/src/test/resources/META-INF/spring/applicationContext.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">
+
+	<bean id="mongo" class="org.springframework.data.document.mongodb.MongoFactoryBean">
+		<property name="host" value="localhost" />
+		<property name="port" value="27017" />
+	</bean>
+
+	<bean id="mongoTemplate" class="org.springframework.data.document.mongodb.MongoTemplate">
+		<constructor-arg ref="mongo" />
+		<constructor-arg value="database" />
+		<property name="defaultCollectionName" value="springdata" />
+	</bean>
+	
+	<bean class="org.springframework.data.document.mongodb.MongoExceptionTranslator" />
+
+</beans>