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This commit is contained in:
David Montag
2011-04-08 16:27:18 -07:00
parent 52b3064b16
commit c51060c16f
14 changed files with 18 additions and 24 deletions
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2
src/docbkx/reference/cross-store.xml
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE chapter PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd">
<chapter id="cross-store">
<title>Cross-store persistence with a graph database</title>
<title>Cross-store persistence</title>
<para>The Spring Data Graph project support cross-store persistence which allows parts of the data mode to be stored in a traditional
JPA datastore (RDBMS) and other parts of the data model (even partial entites, that is some properties or relationships) in a graph
store.

2
src/docbkx/reference/programming-model/aspectj.xml
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd">
<section>
<title>Overview of the AspectJ support</title>
<title>AspectJ support</title>
<para>
Behind the scenes, Spring Data Graph leverages <ulink url="http://www.eclipse.org/aspectj/">AspectJ</ulink>
aspects to modify the behavior of simple annotated POJO entities

2
src/docbkx/reference/programming-model/attachdetach.xml
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd">
<section>
<title>Session handling - attached and detached entities</title>
<title>Detached entities</title>
<para>
By default newly created node entities are in a detached state. When <code>persist()</code> is called on the
entity it is attached to the graph store and its properties and relationships are persisted as well. Changing

2
src/docbkx/reference/programming-model/beanvalidation.xml
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd">
<section>
<title>Bean Validation - JSR-303</title>
<title>Bean validation (JSR-303)</title>
<para>
Spring Data Graph supports property based validation support. So, whenever a property is changed, it is
checked against the annotated constraints (.e.g @Min, @Max, @Size, etc).

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src/docbkx/reference/programming-model/indexing.xml
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd">
<section id="reference_programming-model:indexing">
<section id="reference:programming-model:indexing">
<title>Indexing</title>
<para>

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src/docbkx/reference/programming-model/introducedmethods.xml
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd">
<section id="reference:programming-model:introduced-methods">
<title>Methods added to entity classes</title>
<title>Introduced methods</title>
<para>
The node and relationship aspects introduce (via AspectJ ITD - inter type declaration) several
methods to the entities.

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src/docbkx/reference/programming-model/node-entities.xml
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@@ -1,9 +1,10 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd">
<section id="reference:programming-model:annotations">
<title>Annotations define POJO node entities</title>
<para>Entities are declared using the <code>@NodeEntity</code> annotation.
Relationship entities use the <code>@RelationshipEntity</code> annotation.
<title>Defining node entities</title>
<para>
Node entities are declared using the <code>@NodeEntity</code> annotation. Relationship entities use
the <code>@RelationshipEntity</code> annotation.
</para>
<section>
<title>@NodeEntity: The basic building block</title>
@@ -61,7 +62,7 @@ String title;
<para>
Numerical values are indexed as such by default, allowing for range queries.
Fulltext indexing is also possible by setting the <code>fulltext</code> attribute to true. For details see
the indexing section <xref linkend="reference_programming-model:indexing"/>.
the indexing section <xref linkend="reference:programming-model:indexing"/>.
</para>
</section>

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src/docbkx/reference/programming-model/programming-model.xml
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE chapter PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd">
<chapter id="programming-model" xmlns:xi="http://www.w3.org/2001/XInclude">
<title>Programming model for Spring Data Graph</title>
<title>Programming model</title>
<para>
This chapter covers the fundamentals of the programming model behind Spring Data Graph. It discusses the
AspectJ features used and the annotations provided by Spring Data Graph and how to use them.

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src/docbkx/reference/programming-model/projection.xml
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd">
<section>
<title>Dynamic typing - Projection to unrelated, fitting types</title>
<title>Projecting entities</title>
<para>
As the underlying data model of a graph database doesn't imply and enforce strict type constraints like a
relational model does, it offers much more flexibility on how to model your domain classes and which of

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src/docbkx/reference/programming-model/relationships.xml
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd">
<section id="reference:programming_model:relationships">
<title>Relationships relate node entities</title>
<title>Relating node entities</title>
<para>
Since relationships are first-class citizens in Neo4j, associations between node entities are represented
by relationships. In general, relationships are categorized by a type, and start and end nodes (which
@@ -9,13 +9,6 @@
Spring Data Graph has special support to represent Neo4j relationships as entities too, but it is often
not needed.
</para>
<section>
<title>@NodeEntity</title>
<para>
Any class annotated with @NodeEntity will be backed by a node in the graph. Its fields will, if their
types are supported, be persisted as properties to the node for each entity.
</para>
</section>
<section>
<title>@RelatedTo: Connecting node entities</title>
<para>

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src/docbkx/reference/programming-model/transactions.xml
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd">
<section>
<title>Transactions in Spring Data Graph</title>
<title>Transactions</title>
<para>
Neo4j is a transactional database, only allowing modifications to be performed within transaction
boundaries. Reading data does however not require transactions.

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src/docbkx/reference/programming-model/typerepresentationstrategy.xml
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd">
<section id="reference:programming-model:typerepresentationstrategy">
<title>Storing type information in the graph</title>
<title>Entity types stored</title>
<para>
There are several ways to represent the Java type hierarchy of the data model in the graph. In general, for all
node and relationship entities, type information is needed to perform certain repository operations. Some of

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src/docbkx/reference/samples.xml
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<!DOCTYPE chapter PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
"http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd">
<chapter id="samples">
<title>Samples</title>
<title>Sample code</title>
<section id="samples_introduction">
<title>Introduction</title>

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src/docbkx/reference/setup.xml
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE chapter PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd">
<chapter id="setup">
<title>Setup required for Spring Data Graph</title>
<title>Environment setup</title>
<para>To use Spring Data Graph in your application, some setup is required. For building the application the necessary Maven dependencies must be included and
for the AspectJ weaving some extensions of the compile goal are necessary. This chapter also discusses the Spring configuration needed to set up
Spring Data Graph. Examples for this setup can be found in the <ulink url="http://github.com/SpringSource/spring-data-graph-examples">Spring Data Graph examples</ulink>.