After running the following process, why is the value of x in /dbg2/b equal to 123 and not 0?
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<process version="5.3.005">
<context>
<input/>
<output/>
<macros/>
</context>
<operator activated="true" class="process" compatibility="5.3.005" expanded="true" name="Process">
<process expanded="true">
<operator activated="true" class="generate_data_user_specification" compatibility="5.3.005" expanded="true" height="60" name="Generate Data by User Specification" width="90" x="179" y="120">
<list key="attribute_values">
<parameter key="a" value=""""/>
<parameter key="b" value=""""/>
<parameter key="x" value="0"/>
</list>
<list key="set_additional_roles"/>
</operator>
<operator activated="true" class="loop_attributes" compatibility="5.3.005" expanded="true" height="76" name="bubble plots" width="90" x="313" y="120">
<parameter key="attribute_filter_type" value="regular_expression"/>
<parameter key="regular_expression" value="[ab]"/>
<process expanded="true">
<operator activated="true" class="filter_examples" compatibility="5.3.005" expanded="true" height="76" name="not missing" width="90" x="45" y="30">
<parameter key="condition_class" value="attribute_value_filter"/>
<parameter key="parameter_string" value="%{loop_attribute}!=\?"/>
</operator>
<operator activated="true" class="store" compatibility="5.3.005" expanded="true" height="60" name="Store (4)" width="90" x="179" y="120">
<parameter key="repository_entry" value="/dbg2/%{loop_attribute}"/>
</operator>
<operator activated="true" class="set_data" compatibility="5.3.005" expanded="true" height="76" name="set x 123" width="90" x="313" y="120">
<parameter key="example_index" value="1"/>
<parameter key="attribute_name" value="x"/>
<parameter key="value" value="123"/>
<list key="additional_values"/>
</operator>
<connect from_port="example set" to_op="not missing" to_port="example set input"/>
<connect from_op="not missing" from_port="example set output" to_op="Store (4)" to_port="input"/>
<connect from_op="not missing" from_port="original" to_port="example set"/>
<connect from_op="Store (4)" from_port="through" to_op="set x 123" to_port="example set input"/>
<portSpacing port="source_example set" spacing="0"/>
<portSpacing port="sink_example set" spacing="0"/>
<portSpacing port="sink_result 1" spacing="0"/>
</process>
</operator>
<connect from_op="Generate Data by User Specification" from_port="output" to_op="bubble plots" to_port="example set"/>
<portSpacing port="source_input 1" spacing="0"/>
<portSpacing port="sink_result 1" spacing="0"/>
</process>
</operator>
</process>
Regards,
Isak