A simple class that will construct and deconstruct buffers (which is actually just a single) to be passed into an ILE program. This is particularly useful when it comes to working with data structures.
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const inputDS = new rpgleDS(...);
const responseDS = new rpgleDS(...);
static async getHistoryHeader(header) {
console.log(inputDS.getSize());
console.log(responseDS.getSize());
const inBuffer = inputDS.toBuffer(header);
const results = await db2.callProcedure(SCHEMA, 'PROGRAM', [inBuffer, undefined]);
return responseDS.fromBuffer(results.parameters[1]);
}| JS Type | ILE Type |
|---|---|
| String | Char |
| Number | Zoned |
| Boolean | Char(1) / Ind |
{
"name": "25",
"number": 25
}const base = new rpgleDS(
[
{
"name": "name",
"length": 25
},
{
"name": "number",
"length": 11,
"decimals": 2
}
]
);Dcl-Ds base Qualified Template;
name Char(25);
number Zoned(11:2);
End-Ds;The class can easily handle many levels of structs (likeds(x) qualified).
{
"name": "25",
"number": 25,
"substructA": {
"a": "10",
"b": 10
}
}const substructA = new rpgleDS(
[
{
"name": "a",
"length": 10
},
{
"name": "b",
"length": 11,
"decimals": 2
}
]
);
const base = new rpgleDS(
[
{
"name": "name",
"length": 25
},
{
"name": "number",
"length": 11,
"decimals": 2
},
{
"name": "substructA",
"like": substructA
}
]
);Dcl-Ds substructA Qualified Template;
a Char(10);
b Zoned(11:2);
End-Ds;
Dcl-Ds base Qualified Template;
name Char(25);
number Zoned(11:2);
substructA LikeDS(substructA);
End-Ds;We also support substructs that are arrays.
{
"name": "25",
"number": 25,
"substructA": [{
"a": "10",
"b": 10
}]
}const substructA = new rpgleDS(
[
{
"name": "a",
"length": 10
},
{
"name": "b",
"length": 11,
"decimals": 2
}
]
);
const base = new rpgleDS(
[
{
"name": "name",
"length": 25
},
{
"name": "number",
"length": 11,
"decimals": 2
},
{
"name": "substructA",
"like": substructA,
"dim": 5
}
]
);Dcl-Ds substructA Qualified Template;
a Char(10);
b Zoned(11:2);
End-Ds;
Dcl-Ds base Qualified Template;
name Char(25);
number Zoned(11:2);
substructA LikeDS(substructA) Dim(5);
End-Ds;
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