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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
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import org.apache.tinkerpop.gremlin.jsr223.CoreImports
import org.apache.tinkerpop.gremlin.process.traversal.TraversalSource
import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversal
import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource
import org.apache.tinkerpop.gremlin.process.traversal.P
import org.apache.tinkerpop.gremlin.process.traversal.Operator
import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.__
import org.apache.tinkerpop.gremlin.structure.T
import java.lang.reflect.Modifier
// this is a bit of a copy of what's in SymbolHelper - no way around it because this code generation task occurs
// before the SymbolHelper is available to the plugin.
def toPythonMap = ["and": "and_",
"all": "all_",
"as": "as_",
"filter": "filter_",
"from": "from_",
"global": "global_",
"id": "id_",
"in": "in_",
"is": "is_",
"list": "list_",
"max": "max_",
"min": "min_",
"not": "not_",
"range": "range_",
"or": "or_",
"set": "set_",
"sum": "sum_"]
def toJavaMap = toPythonMap.collectEntries{k,v -> [(v):k]}
def toPython = { symbol -> toPythonMap.getOrDefault(symbol, symbol) }
def toJava = { symbol -> toJavaMap.getOrDefault(symbol, symbol) }
// for enums we ignore T and handle it manually because of conflict with T.id which is trickier to deal with
// in the templating language
def binding = ["enums": CoreImports.getClassImports()
.findAll { Enum.class.isAssignableFrom(it) && !(it in [T, Operator]) }
.sort { a, b -> a.getSimpleName() <=> b.getSimpleName() },
"pmethods": P.class.getMethods().
findAll { Modifier.isStatic(it.getModifiers()) }.
findAll { P.class.isAssignableFrom(it.returnType) }.
collect { toPython(it.name) }.
unique().
sort { a, b -> a <=> b },
"sourceStepMethods": GraphTraversalSource.getMethods(). // SOURCE STEPS
findAll { GraphTraversalSource.class.equals(it.returnType) }.
findAll {
!it.name.equals("clone") &&
!it.name.equals(TraversalSource.Symbols.withRemote) &&
!it.name.equals(TraversalSource.Symbols.withComputer)
}.
collect { toPython(it.name) }.
unique().
sort { a, b -> a <=> b },
"sourceSpawnMethods": GraphTraversalSource.getMethods(). // SPAWN STEPS
findAll { GraphTraversal.class.equals(it.returnType) }.
collect { toPython(it.name) }.
unique().
sort { a, b -> a <=> b },
"graphStepMethods": GraphTraversal.getMethods().
findAll { GraphTraversal.class.equals(it.returnType) }.
findAll { !it.name.equals("clone") && !it.name.equals("iterate") }.
collect { toPython(it.name) }.
unique().
sort { a, b -> a <=> b },
"anonStepMethods": __.class.getMethods().
findAll { GraphTraversal.class.equals(it.returnType) }.
findAll { Modifier.isStatic(it.getModifiers()) }.
findAll { !it.name.equals("__") && !it.name.equals("start") }.
collect { toPython(it.name) }.
unique().
sort { a, b -> a <=> b },
"toPython": toPython,
"toJava": toJava]
def engine = new groovy.text.GStringTemplateEngine()
def traversalTemplate = engine.createTemplate(new File("${projectBaseDir}/glv/TraversalSource.template")).make(binding)
def traversalFile = new File("${projectBaseDir}/src/main/jython/gremlin_python/process/traversal.py")
traversalFile.newWriter().withWriter{ it << traversalTemplate }
def graphTraversalTemplate = engine.createTemplate(new File("${projectBaseDir}/glv/GraphTraversalSource.template")).make(binding)
def graphTraversalFile = new File("${projectBaseDir}/src/main/jython/gremlin_python/process/graph_traversal.py")
graphTraversalFile.newWriter().withWriter{ it << graphTraversalTemplate }