2tables to 1table message mapping logic in CPI
using groovy code mapping
In Groovy, a Map object is a collection of key-value pairs, where keys and values can be of any data type. Some of the commonly used methods of Map objects in Groovy are:
put(key, value): Inserts a key-value pair into the map.get(key): Returns the value corresponding to the specified key.containsKey(key): Returns true if the map contains the specified key, false otherwise.containsValue(value): Returns true if the map contains the specified value, false otherwise.size(): Returns the number of key-value pairs in the map.isEmpty(): Returns true if the map is empty, false otherwise.remove(key): Removes the key-value pair corresponding to the specified key from the map.keySet(): Returns a set of all keys in the map.values(): Returns a collection of all values in the map.entrySet(): Returns a set of all key-value pairs in the map asMap.Entryobjects.
These methods can be used to perform various operations on a Map object in Groovy.
how to read all map object values with specific key match in groovy in for loop?
ChatGPT
You can iterate over a map in Groovy using the each method or a for loop. Here's an example of how to read all map object values with a specific key match using a for loop:
bash
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def names = [John: 25, Jane: 30, Joe: 35]
for (entry in names) {
if (entry.key == "John") {
println "Found match: ${entry.key} is ${entry.value} years old."
}
}
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correct the goorvy code as follows def void getNameById(String[] a, String[] b, String[] c, Output result, MappingContext context) {
// Create a map object with name "names"
def names = [:]
if (names == null) {
names = new HashMap()
for (int i = 0; i < b.length; i++) {
// If the payload is valid to xsd, b and c have equal length
names.put(b[i], c[i])
}
// context.setParameter("names", names)
}
// result.addValue(a[0]);
result.addValue(names.get('a[0]'))
}
ChatGPT
There are a few issues with the code you provided. Here is a corrected version:
css
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def void getNameById(String[] a, String[] b, String[] c, Output result, MappingContext context) {
// Create a map object with name "names"
def names = [:]
if (names.isEmpty()) {
for (int i = 0; i < b.length; i++) {
// If the payload is valid to xsd, b and c have equal length
names.put(b[i], c[i])
}
// context.setParameter("names", names)
}
result.addValue(names.get(a[0]))
}
Changes made:
Changed if (names == null) to if (names.isEmpty()) since names is initialized as an empty map and is never set to null.
Removed the single quotes around a[0] in result.addValue(names.get('a[0]')) so that the variable is properly referenced.
Removed the commented-out line // result.addValue(a[0]); since it doesn't serve any purpose.
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final code (
def void getNameById(String[] a, String[] b, String[] c, Output result, MappingContext context) {
// Create a map object with name "names"
def names = [:]
if (names.isEmpty()) {
for (int i = 0; i < b.length; i++) {
// If the payload is valid to xsd, b and c have equal length
names.put(b[i], c[i])
}
// context.setParameter("names", names)
}
for (int i = 0; i < a.length; i++) {
for (entry in names) {
if (entry.key == "a[i]") {
result.addValue(names.get(a[0]))
}
}
result.addValue(names.get(a[i]))
result.addContextChange()
}
}