Package org.neo4j.graphdb

Examples of org.neo4j.graphdb.Node.removeProperty()

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        {
        }

        // test remove property
        assertEquals( int1, node1.removeProperty( key1 ) );
        assertEquals( string1, node2.removeProperty( key1 ) );
        // test remove of non exsisting property
        try
        {
            if ( node2.removeProperty( key1 ) != null )
            {
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        assertEquals( int1, node1.removeProperty( key1 ) );
        assertEquals( string1, node2.removeProperty( key1 ) );
        // test remove of non exsisting property
        try
        {
            if ( node2.removeProperty( key1 ) != null )
            {
                fail( "Remove of non existing property return null." );
            }
        }
        catch ( NotFoundException e )
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        Boolean bool2 = new Boolean( false );
        Node node1 = getGraphDb().createNode();
        node1.setProperty( key1, int1 );
        node1.setProperty( key1, int2 );
        assertEquals( int2, node1.getProperty( key1 ) );
        node1.removeProperty( key1 );
        node1.setProperty( key1, string1 );
        node1.setProperty( key1, string2 );
        assertEquals( string2, node1.getProperty( key1 ) );
        node1.removeProperty( key1 );
        node1.setProperty( key1, bool1 );
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        assertEquals( int2, node1.getProperty( key1 ) );
        node1.removeProperty( key1 );
        node1.setProperty( key1, string1 );
        node1.setProperty( key1, string2 );
        assertEquals( string2, node1.getProperty( key1 ) );
        node1.removeProperty( key1 );
        node1.setProperty( key1, bool1 );
        node1.setProperty( key1, bool2 );
        assertEquals( bool2, node1.getProperty( key1 ) );
        node1.removeProperty( key1 );
        node1.delete();
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        assertEquals( string2, node1.getProperty( key1 ) );
        node1.removeProperty( key1 );
        node1.setProperty( key1, bool1 );
        node1.setProperty( key1, bool2 );
        assertEquals( bool2, node1.getProperty( key1 ) );
        node1.removeProperty( key1 );
        node1.delete();
    }

    @Test
    public void testNodeGetProperties()
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        assertTrue( node1.hasProperty( key1 ) );
        assertTrue( node1.hasProperty( key2 ) );
        assertTrue( node1.hasProperty( key3 ) );
        try
        {
            node1.removeProperty( key3 );
        }
        catch ( NotFoundException e )
        {
            fail( "Remove of property failed." );
        }
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    {
        Node node = getGraphDb().createNode();
        node.setProperty( "test", "test1" );
        newTransaction();
        node.setProperty( "test", "test2" );
        node.removeProperty( "test" );
        node.setProperty( "test", "test3" );
        assertEquals( "test3", node.getProperty( "test" ) );
        node.removeProperty( "test" );
        node.setProperty( "test", "test4" );
        newTransaction();
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        newTransaction();
        node.setProperty( "test", "test2" );
        node.removeProperty( "test" );
        node.setProperty( "test", "test3" );
        assertEquals( "test3", node.getProperty( "test" ) );
        node.removeProperty( "test" );
        node.setProperty( "test", "test4" );
        newTransaction();
        assertEquals( "test4", node.getProperty( "test" ) );
    }
   
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    public void testChangeProperty2()
    {
        Node node = getGraphDb().createNode();
        node.setProperty( "test", "test1" );
        newTransaction();
        node.removeProperty( "test" );
        node.setProperty( "test", "test3" );
        assertEquals( "test3", node.getProperty( "test" ) );
        newTransaction();
        assertEquals( "test3", node.getProperty( "test" ) );
        node.removeProperty( "test" );
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        tm.resume( tx1 );
        CommitThread thread = new CommitThread( tm, tx2 );
        thread.start();
        // would wait for ever since tx2 has write lock but now we have other
        // thread thread that will commit tx2
        refNode.removeProperty( "test2" );
        assertTrue( thread.success() );
        tm.commit();
        neo2.shutdown();
    }
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