JSDataSourceNode

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getCalculation(name)
Get an existing calculation for the datasource node.

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JSCalculation[]

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getCalculations()
Gets all the calculations for the datasource node.

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String

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getDataSource()
Get the data source for this node.

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getMethod(name)
Get an existing foundset method for the datasource node.

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JSMethod[]

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getMethods()
Gets all the foundset methods for the datasource node.

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newCalculation(code)
Creates a new calculation for the given code, the type will be the column where it could be build on (if name is a column name),
else it will default to JSVariable.

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newCalculation(code, type)
Creates a new calculation for the given code and the type, if it builds on a column (name is a column name) then type will be ignored.

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newMethod(code)
Creates a new foundset method with the specified code.

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removeCalculation(name)
Removes the calculation specified by name.

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removeMethod(name)
Removes the foundset method specified by name.

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Method Details

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getCalculation

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getCalculation

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(name)

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Get an existing calculation for the datasource node.

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Parameters

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{String} name – The name of the calculation

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Returns

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Sample

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var calc = solutionModel.getDataSourceNode("db:/example_data/customers").newCalculation("function myCalculation() { return 123; }", JSVariable.INTEGER);
var calc2 = solutionModel.getDataSourceNode("db:/example_data/customers").newCalculation("function myCalculation2() { return '20'; }");
var calc3 = solutionModel.getDataSourceNode("db:/example_data/employees").newCalculation("function myCalculation3() { return 'Hello World!'; }",	JSVariable.TEXT);

var c = solutionModel.getDataSourceNode("db:/example_data/customers").getCalculation("myCalculation");
application.output("Name: " + c.getName() + ", Stored: " + c.isStored());

var allCalcs = solutionModel.getDataSourceNode("db:/example_data/customers").getCalculations();
for (var i = 0; i < allCalcs.length; i++) {
	application.output(allCalcs[i]);
}

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getCalculations

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JSCalculation[]

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getCalculations

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()

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Gets all the calculations for the datasource node.

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Since

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JSCalculation[]

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Sample

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var calc = solutionModel.getDataSourceNode("db:/example_data/customers").newCalculation("function myCalculation() { return 123; }", JSVariable.INTEGER);
var calc2 = solutionModel.getDataSourceNode("db:/example_data/customers").newCalculation("function myCalculation2() { return '20'; }");
var calc3 = solutionModel.getDataSourceNode("db:/example_data/employees").newCalculation("function myCalculation3() { return 'Hello World!'; }",	JSVariable.TEXT);

var c = solutionModel.getDataSourceNode("db:/example_data/customers").getCalculation("myCalculation");
application.output("Name: " + c.getName() + ", Stored: " + c.isStored());

var allCalcs = solutionModel.getDataSourceNode("db:/example_data/customers").getCalculations();
for (var i = 0; i < allCalcs.length; i++) {
	application.output(allCalcs[i]);
}

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getDataSource

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String

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getDataSource

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()

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Get the data source for this node.

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Parameters

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Returns

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String – the dataSource

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Sample

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var nodeDataSource = solutionModel.getDataSourceNode("db:/example_data/customers").getDataSource();

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getMethod

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getMethod

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(name)

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Get an existing foundset method for the datasource node.

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Since

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Parameters

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{String} name – The name of the method

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Sample

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var method = solutionModel.getDataSourceNode("db:/example_data/orders").newMethod("function doubleSize() { return 2*getSize(); }");

application.output('Doubled orders for this customer: '+customers_to_orders.doubleSize())

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getMethods

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JSMethod[]

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getMethods

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()

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Gets all the foundset methods for the datasource node.

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JSMethod[]

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Sample

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var method = solutionModel.getDataSourceNode("db:/example_data/orders").newMethod("function doubleSize() { return 2*getSize(); }");

application.output('Doubled orders for this customer: '+customers_to_orders.doubleSize())

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newCalculation

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newCalculation

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(code)

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Creates a new calculation for the given code, the type will be the column where it could be build on (if name is a column name),
else it will default to JSVariable.TEXT;

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Parameters

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{String} code – The code of the calculation, this must be a full function declaration.

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Returns

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Sample

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var calc = solutionModel.getDataSourceNode("db:/example_data/customers").newCalculation("function myCalculation() { return 123; }", JSVariable.INTEGER);
var calc2 = solutionModel.getDataSourceNode("db:/example_data/customers").newCalculation("function myCalculation2() { return '20'; }");
var calc3 = solutionModel.getDataSourceNode("db:/example_data/employees").newCalculation("function myCalculation3() { return 'Hello World!'; }",	JSVariable.TEXT);

var c = solutionModel.getDataSourceNode("db:/example_data/customers").getCalculation("myCalculation");
application.output("Name: " + c.getName() + ", Stored: " + c.isStored());

var allCalcs = solutionModel.getDataSourceNode("db:/example_data/customers").getCalculations();
for (var i = 0; i < allCalcs.length; i++) {
	application.output(allCalcs[i]);
}

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newCalculation

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newCalculation

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(code, type)

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Creates a new calculation for the given code and the type, if it builds on a column (name is a column name) then type will be ignored.

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Parameters

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{String} code – The code of the calculation, this must be a full function declaration.
{Number} type – The type of the calculation, one of the JSVariable types.

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Returns

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Sample

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var calc = solutionModel.getDataSourceNode("db:/example_data/customers").newCalculation("function myCalculation() { return 123; }", JSVariable.INTEGER);
var calc2 = solutionModel.getDataSourceNode("db:/example_data/customers").newCalculation("function myCalculation2() { return '20'; }");
var calc3 = solutionModel.getDataSourceNode("db:/example_data/employees").newCalculation("function myCalculation3() { return 'Hello World!'; }",	JSVariable.TEXT);

var c = solutionModel.getDataSourceNode("db:/example_data/customers").getCalculation("myCalculation");
application.output("Name: " + c.getName() + ", Stored: " + c.isStored());

var allCalcs = solutionModel.getDataSourceNode("db:/example_data/customers").getCalculations();
for (var i = 0; i < allCalcs.length; i++) {
	application.output(allCalcs[i]);
}

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newMethod

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newMethod

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(code)

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Creates a new foundset method with the specified code.

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Parameters

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{String} code – the specified code for the foundset method

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Returns

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JSMethod – a JSMethod object

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Sample

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var method = solutionModel.getDataSourceNode("db:/example_data/orders").newMethod("function doubleSize() { return 2*getSize(); }");

application.output('Doubled orders for this customer: '+customers_to_orders.doubleSize())

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removeCalculation

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removeCalculation

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(name)

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Removes the calculation specified by name.

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Parameters

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{String} name – the name of the calculation to be removed

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Returns

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Boolean – true if the removal was successful, false otherwise

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Sample

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var calc1 = solutionModel.getDataSourceNode("db:/example_data/customers").newCalculation("function myCalculation1() { return 123; }", JSVariable.INTEGER);
var calc2 = solutionModel.getDataSourceNode("db:/example_data/customers").newCalculation("function myCalculation2() { return '20'; }");

var c = solutionModel.getDataSourceNode("db:/example_data/customers").getCalculation("myCalculation1");
application.output("Name: " + c.getName() + ", Stored: " + c.isStored());

solutionModel.getDataSourceNode("db:/example_data/customers").removeCalculation("myCalculation1");
c = solutionModel.getDataSourceNode("db:/example_data/customers").getCalculation("myCalculation1");
if (c != null) {
	application.output("myCalculation could not be removed.");
}

var allCalcs = solutionModel.getDataSourceNode("db:/example_data/customers").getCalculations();
for (var i = 0; i < allCalcs.length; i++) {
	application.output(allCalcs[i]);
}

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removeMethod

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