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160 changes: 80 additions & 80 deletions
160
extended/src/main/kotlin/apoc/kafka/producer/StreamsConstraintsService.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,80 +1,80 @@ | ||
| package apoc.kafka.producer | ||
|
|
||
| import kotlinx.coroutines.Dispatchers | ||
| import kotlinx.coroutines.GlobalScope | ||
| import kotlinx.coroutines.Job | ||
| import kotlinx.coroutines.cancelAndJoin | ||
| import kotlinx.coroutines.delay | ||
| import kotlinx.coroutines.isActive | ||
| import kotlinx.coroutines.launch | ||
| import kotlinx.coroutines.runBlocking | ||
| import org.neo4j.graphdb.DatabaseShutdownException | ||
| import org.neo4j.graphdb.GraphDatabaseService | ||
| import org.neo4j.graphdb.Label | ||
| import org.neo4j.graphdb.RelationshipType | ||
| import org.neo4j.graphdb.TransactionFailureException | ||
| import apoc.kafka.events.Constraint | ||
| import apoc.kafka.utils.KafkaUtil | ||
| import java.io.Closeable | ||
| import java.util.Collections | ||
| import java.util.concurrent.ConcurrentHashMap | ||
|
|
||
| class StreamsConstraintsService(private val db: GraphDatabaseService, private val poolInterval: Long): Closeable { | ||
|
|
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| private val nodeConstraints = ConcurrentHashMap<String, Set<Constraint>>() | ||
| private val relConstraints = ConcurrentHashMap<String, Set<Constraint>>() | ||
|
|
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| private lateinit var job: Job | ||
|
|
||
| override fun close() { | ||
| KafkaUtil.ignoreExceptions({ runBlocking { job.cancelAndJoin() } }, UninitializedPropertyAccessException::class.java) | ||
| } | ||
|
|
||
| fun start() { | ||
| job = GlobalScope.launch(Dispatchers.IO) { | ||
| while (isActive) { | ||
| if (!db.isAvailable(5000)) return@launch | ||
| KafkaUtil.ignoreExceptions({ | ||
| db.beginTx().use { | ||
| val constraints = it.schema().constraints | ||
| constraints | ||
| .filter { it.isNodeConstraint() } | ||
| .groupBy { it.label.name() } | ||
| .forEach { label, constraints -> | ||
| nodeConstraints[label] = constraints | ||
| .map { Constraint(label, it.propertyKeys.toSet(), it.streamsConstraintType()) } | ||
| .toSet() | ||
| } | ||
| constraints | ||
| .filter { it.isRelationshipConstraint() } | ||
| .groupBy { it.relationshipType.name() } | ||
| .forEach { relationshipType, constraints -> | ||
| relConstraints[relationshipType] = constraints | ||
| .map { Constraint(relationshipType, it.propertyKeys.toSet(), it.streamsConstraintType()) } | ||
| .toSet() | ||
| } | ||
| } | ||
| }, DatabaseShutdownException::class.java, TransactionFailureException::class.java, IllegalStateException::class.java) | ||
| delay(poolInterval) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| fun forLabel(label: Label): Set<Constraint> { | ||
| return nodeConstraints[label.name()] ?: emptySet() | ||
| } | ||
|
|
||
| fun forRelationshipType(relationshipType: RelationshipType): Set<Constraint> { | ||
| return relConstraints[relationshipType.name()] ?: emptySet() | ||
| } | ||
|
|
||
| fun allForLabels(): Map<String, Set<Constraint>> { | ||
| return Collections.unmodifiableMap(nodeConstraints) | ||
| } | ||
|
|
||
| fun allForRelationshipType(): Map<String, Set<Constraint>> { | ||
| return Collections.unmodifiableMap(relConstraints) | ||
| } | ||
|
|
||
|
|
||
| } | ||
| //package apoc.kafka.producer | ||
| // | ||
| //import kotlinx.coroutines.Dispatchers | ||
| //import kotlinx.coroutines.GlobalScope | ||
| //import kotlinx.coroutines.Job | ||
| //import kotlinx.coroutines.cancelAndJoin | ||
| //import kotlinx.coroutines.delay | ||
| //import kotlinx.coroutines.isActive | ||
| //import kotlinx.coroutines.launch | ||
| //import kotlinx.coroutines.runBlocking | ||
| //import org.neo4j.graphdb.DatabaseShutdownException | ||
| //import org.neo4j.graphdb.GraphDatabaseService | ||
| //import org.neo4j.graphdb.Label | ||
| //import org.neo4j.graphdb.RelationshipType | ||
| //import org.neo4j.graphdb.TransactionFailureException | ||
| //import apoc.kafka.events.Constraint | ||
| //import apoc.kafka.utils.KafkaUtil | ||
| //import java.io.Closeable | ||
| //import java.util.Collections | ||
| //import java.util.concurrent.ConcurrentHashMap | ||
| // | ||
| //class StreamsConstraintsService(private val db: GraphDatabaseService, private val poolInterval: Long): Closeable { | ||
| // | ||
| // private val nodeConstraints = ConcurrentHashMap<String, Set<Constraint>>() | ||
| // private val relConstraints = ConcurrentHashMap<String, Set<Constraint>>() | ||
| // | ||
| // private lateinit var job: Job | ||
| // | ||
| // override fun close() { | ||
| // KafkaUtil.ignoreExceptions({ runBlocking { job.cancelAndJoin() } }, UninitializedPropertyAccessException::class.java) | ||
| // } | ||
| // | ||
| // fun start() { | ||
| // job = GlobalScope.launch(Dispatchers.IO) { | ||
| // while (isActive) { | ||
| // if (!db.isAvailable(5000)) return@launch | ||
| // KafkaUtil.ignoreExceptions({ | ||
| // db.beginTx().use { | ||
| // val constraints = it.schema().constraints | ||
| // constraints | ||
| // .filter { it.isNodeConstraint() } | ||
| // .groupBy { it.label.name() } | ||
| // .forEach { label, constraints -> | ||
| // nodeConstraints[label] = constraints | ||
| // .map { Constraint(label, it.propertyKeys.toSet(), it.streamsConstraintType()) } | ||
| // .toSet() | ||
| // } | ||
| // constraints | ||
| // .filter { it.isRelationshipConstraint() } | ||
| // .groupBy { it.relationshipType.name() } | ||
| // .forEach { relationshipType, constraints -> | ||
| // relConstraints[relationshipType] = constraints | ||
| // .map { Constraint(relationshipType, it.propertyKeys.toSet(), it.streamsConstraintType()) } | ||
| // .toSet() | ||
| // } | ||
| // } | ||
| // }, DatabaseShutdownException::class.java, TransactionFailureException::class.java, IllegalStateException::class.java) | ||
| // delay(poolInterval) | ||
| // } | ||
| // } | ||
| // } | ||
| // | ||
| // fun forLabel(label: Label): Set<Constraint> { | ||
| // return nodeConstraints[label.name()] ?: emptySet() | ||
| // } | ||
| // | ||
| // fun forRelationshipType(relationshipType: RelationshipType): Set<Constraint> { | ||
| // return relConstraints[relationshipType.name()] ?: emptySet() | ||
| // } | ||
| // | ||
| // fun allForLabels(): Map<String, Set<Constraint>> { | ||
| // return Collections.unmodifiableMap(nodeConstraints) | ||
| // } | ||
| // | ||
| // fun allForRelationshipType(): Map<String, Set<Constraint>> { | ||
| // return Collections.unmodifiableMap(relConstraints) | ||
| // } | ||
| // | ||
| // | ||
| //} |
32 changes: 0 additions & 32 deletions
32
extended/src/main/kotlin/apoc/kafka/producer/StreamsEventRouter.kt
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