MashZone NextGen Metadata Queries

There are two MashZone NextGen metadata queries you can make:

Query for all <presto:presto-meta> statements in a specific mashup. You supply the mashup name as a parameter.

Query for all <presto:presto-meta> statements that match a condition (an XPath expression) in a specific mashup. You supply the mashup name and the XPath expression.

Find All MashZone NextGen Metadata as a Mashup

Service Name	JEMSServiceHelper
Operation Name	getPrestoMetadata
Parameters	A single string parameter that is the name of the mashup for the query.

Find Specific MashZone NextGen Metadata with MashZone NextGen Connect APIs

Service Name	JEMSServiceHelper
Operation Name	getPrestoMetadata
Parameters	1. A string parameter that is the name of the mashup for the query. 2. A string parameter that is an XPath expression, relative to <presto:presto-meta>, with the condition to select specific MashZone NextGen metadata. Typically, this condition matches the <user-meta> name. For example: @name ="cache"

MashZone NextGen Metadata Query Results

The default JSON response for MashZone NextGen metatdata queries is in this form:

"response":"{
"serviceMetadata": {
"presto-metas":[
{"cache":"true"},
...
]
}
}

In XML format, the result is a document in this form: