CsvGenerator
See javadoc - uk.gov.gchq.gaffer.data.generator.CsvGenerator
Available since Gaffer version 1.0.0
Converts an iterable of elements into an iterable of csvs
Examples
Elements to csv
Java
JSON
Full JSON
Python
final CsvGenerator function = new CsvGenerator.Builder()
.group("Group Label")
.vertex("Vertex Label")
.source("Source Label")
.property("count", "Count Label")
.constant("A Constant", "Some constant value")
.quoted(false)
.build();{
"class" : "CsvGenerator",
"fields" : {
"GROUP" : "Group Label",
"VERTEX" : "Vertex Label",
"SOURCE" : "Source Label",
"count" : "Count Label"
},
"constants" : {
"A Constant" : "Some constant value"
},
"quoted" : false,
"commaReplacement" : " "
}{
"class" : "uk.gov.gchq.gaffer.data.generator.CsvGenerator",
"fields" : {
"GROUP" : "Group Label",
"VERTEX" : "Vertex Label",
"SOURCE" : "Source Label",
"count" : "Count Label"
},
"constants" : {
"A Constant" : "Some constant value"
},
"quoted" : false,
"commaReplacement" : " "
}g.CsvGenerator(
fields={'GROUP': 'Group Label', 'VERTEX': 'Vertex Label', 'SOURCE': 'Source Label', 'count': 'Count Label'},
constants={'A Constant': 'Some constant value'},
quoted=False,
comma_replacement=" "
)Input type:
java.lang.Iterable
Example inputs:
| Input Type | Input | Result Type | Result |
|---|---|---|---|
| java.util.ArrayList | [Entity[vertex=vertex1,group=Foo,properties=Properties[count=<java.lang.Integer>1]], Entity[vertex=vertex2,group=Foo,properties=Properties[]], Edge[source=dest1,destination=source1,directed=false,group=Bar,properties=Properties[count=<java.lang.Integer>1]], Edge[source=dest1,destination=source1,directed=false,group=Bar,properties=Properties[]]] | uk.gov.gchq.gaffer.data.generator.OneToOneObjectGenerator$1 | [Foo,vertex1,,1,A Constant, Foo,vertex2,,,A Constant, Bar,,dest1,1,A Constant, Bar,,dest1,,A Constant] |
Elements to quoted csv
Java
JSON
Full JSON
Python
final CsvGenerator function = new CsvGenerator.Builder()
.group("Group Label")
.vertex("Vertex Label")
.source("Source Label")
.property("count", "Count Label")
.constant("A Constant", "Some constant value")
.quoted(true)
.build();{
"class" : "CsvGenerator",
"fields" : {
"GROUP" : "Group Label",
"VERTEX" : "Vertex Label",
"SOURCE" : "Source Label",
"count" : "Count Label"
},
"constants" : {
"A Constant" : "Some constant value"
},
"quoted" : true,
"commaReplacement" : " "
}{
"class" : "uk.gov.gchq.gaffer.data.generator.CsvGenerator",
"fields" : {
"GROUP" : "Group Label",
"VERTEX" : "Vertex Label",
"SOURCE" : "Source Label",
"count" : "Count Label"
},
"constants" : {
"A Constant" : "Some constant value"
},
"quoted" : true,
"commaReplacement" : " "
}g.CsvGenerator(
fields={'GROUP': 'Group Label', 'VERTEX': 'Vertex Label', 'SOURCE': 'Source Label', 'count': 'Count Label'},
constants={'A Constant': 'Some constant value'},
quoted=True,
comma_replacement=" "
)Input type:
java.lang.Iterable
Example inputs:
| Input Type | Input | Result Type | Result |
|---|---|---|---|
| java.util.ArrayList | [Entity[vertex=vertex1,group=Foo,properties=Properties[count=<java.lang.Integer>1]], Entity[vertex=vertex2,group=Foo,properties=Properties[]], Edge[source=dest1,destination=source1,directed=false,group=Bar,properties=Properties[count=<java.lang.Integer>1]], Edge[source=dest1,destination=source1,directed=false,group=Bar,properties=Properties[]]] | uk.gov.gchq.gaffer.data.generator.OneToOneObjectGenerator$1 | ["Foo","vertex1",,"1","A Constant", "Foo","vertex2",,,"A Constant", "Bar",,"dest1","1","A Constant", "Bar",,"dest1",,"A Constant"] |