本文整理了Java中org.hibernate.ogm.model.spi.Association.<init>()方法的一些代码示例，展示了Association.<init>()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Association.<init>()方法的具体详情如下：
包路径：org.hibernate.ogm.model.spi.Association
类名称：Association
方法名：<init>

Association.<init>介绍

[英]Creates a new association, based on an empty association snapshot.
[中]基于空关联快照创建新关联。

代码示例

代码示例来源：origin: hibernate/hibernate-ogm

@Override
public Association createAssociation(AssociationKey associationKey, AssociationContext associationContext) {
  return new Association();
}

代码示例来源：origin: org.hibernate.ogm/hibernate-ogm-cassandra

@Override
public Association createAssociation(AssociationKey key, AssociationContext associationContext) {
  return new Association( new MapAssociationSnapshot( new HashMap<RowKey, Map<String, Object>>() ) );
}

代码示例来源：origin: org.hibernate.ogm/hibernate-ogm-infinispan-remote

@Override
public Association createAssociation(AssociationKey key, AssociationContext associationContext) {
  Map<RowKey, Map<String, Object>> associationMap = new HashMap<RowKey, Map<String,Object>>();
  return new Association( new MapAssociationSnapshot( associationMap ) );
}

代码示例来源：origin: hibernate/hibernate-ogm

@Override
public Association createAssociation(AssociationKey key, AssociationContext associationContext) {
  Map<RowKey, Map<String, Object>> associationMap = new HashMap<RowKey, Map<String,Object>>();
  provider.putAssociation( key, associationMap );
  return new Association( new MapAssociationSnapshot( associationMap ) );
}

代码示例来源：origin: hibernate/hibernate-ogm

@Override
public Association getAssociation(AssociationKey key, AssociationContext associationContext) {
  Map<RowKey, Map<String, Object>> associationMap = provider.getAssociation( key );
  return associationMap == null ? null : new Association( new MapAssociationSnapshot( associationMap ) );
}

代码示例来源：origin: org.hibernate.ogm/hibernate-ogm-infinispan-remote

@Override
public Association getAssociation(AssociationKey key, AssociationContext associationContext) {
  if ( referencesDeleteEntity( key, associationContext ) ) {
    return null;
  }
  Map<RowKey, Map<String, Object>> results = loadRowKeysByQuery( provider, key );
  if ( results.isEmpty() ) {
    // For consistency with other dialects,
    // it make it easier to test which operations the dialects executes
    return null;
  }
  return new Association( new MapAssociationSnapshot( results ) );
}

代码示例来源：origin: org.hibernate.ogm/hibernate-ogm-ehcache

@Override
public Association createAssociation(AssociationKey key, AssociationContext associationContext) {
  final Cache<AK> associationCache = getCacheManager().getAssociationCache( key.getMetadata() );
  Map<SerializableRowKey, Map<String, Object>> association = new HashMap<SerializableRowKey, Map<String, Object>>();
  associationCache.put( new Element( getKeyProvider().getAssociationCacheKey( key ), association ) );
  return new Association( new SerializableMapAssociationSnapshot( association ) );
}

代码示例来源：origin: org.hibernate.ogm/hibernate-ogm-ignite

@Override
public Association createAssociation(AssociationKey key, AssociationContext associationContext) {
  if ( key.getMetadata().getAssociationKind() == AssociationKind.ASSOCIATION ) {
    return new Association( new IgniteAssociationSnapshot( key ) );
  }
  else if ( key.getMetadata().getAssociationKind() == AssociationKind.EMBEDDED_COLLECTION ) {
    return new Association( new IgniteEmbeddedAssociationSnapshot( key, associationContext.getEntityTuplePointer().getTuple() ) );
  }
  else {
    throw new UnsupportedOperationException( "Unknown association kind " + key.getMetadata().getAssociationKind() );
  }
}

代码示例来源：origin: org.hibernate.ogm/hibernate-ogm-ehcache

@Override
public Association getAssociation(AssociationKey key, AssociationContext associationContext) {
  final Cache<AK> associationCache = getCacheManager().getAssociationCache( key.getMetadata() );
  final Element element = associationCache.get( getKeyProvider().getAssociationCacheKey( key ) );
  if ( element == null ) {
    return null;
  }
  else {
    @SuppressWarnings("unchecked")
    Map<SerializableRowKey, Map<String, Object>> associationRows = (Map<SerializableRowKey, Map<String, Object>>) element.getObjectValue();
    return new Association( new SerializableMapAssociationSnapshot( associationRows ) );
  }
}

代码示例来源：origin: org.hibernate.ogm/hibernate-ogm-mongodb

@Override
public Association createAssociation(AssociationKey key, AssociationContext associationContext) {
  AssociationStorageStrategy storageStrategy = getAssociationStorageStrategy( key, associationContext );
  Document document = storageStrategy == AssociationStorageStrategy.IN_ENTITY
      ? getEmbeddingEntity( key, associationContext )
      : associationKeyToObject( key, storageStrategy );
  Association association = new Association( new MongoDBAssociationSnapshot( document, key, storageStrategy ) );
  // in the case of an association stored in the entity structure, we might end up with rows present in the
  // current snapshot of the entity while we want an empty association here. So, in this case, we clear the
  // snapshot to be sure the association created is empty.
  if ( !association.isEmpty() ) {
    association.clear();
  }
  return association;
}

代码示例来源：origin: hibernate/hibernate-ogm

@Override
public Association createAssociation(AssociationKey key, AssociationContext associationContext) {
  AssociationStorageStrategy storageStrategy = getAssociationStorageStrategy( key, associationContext );
  Document document = storageStrategy == AssociationStorageStrategy.IN_ENTITY
      ? getEmbeddingEntity( key, associationContext )
      : associationKeyToObject( key, storageStrategy );
  Association association = new Association( new MongoDBAssociationSnapshot( document, key, storageStrategy ) );
  // in the case of an association stored in the entity structure, we might end up with rows present in the
  // current snapshot of the entity while we want an empty association here. So, in this case, we clear the
  // snapshot to be sure the association created is empty.
  if ( !association.isEmpty() ) {
    association.clear();
  }
  return association;
}

代码示例来源：origin: hibernate/hibernate-ogm

@Override
public Association createAssociation(AssociationKey key, AssociationContext associationContext) {
  //TODO we don't verify that it does not yet exist assuming that this has been done before by the calling code
  //should we improve?
  Cache<AK, Map<RowKey, Map<String, Object>>> cache = getCacheManager().getAssociationCache(
      key.getMetadata()
  );
  AK cacheKey = getKeyProvider().getAssociationCacheKey( key );
  Map<RowKey, Map<String, Object>> atomicMap = AtomicMapLookup.getFineGrainedAtomicMap( cache, cacheKey, true );
  return new Association( new MapAssociationSnapshot( atomicMap ) );
}

代码示例来源：origin: org.hibernate.ogm/hibernate-ogm-infinispan-embedded

@Override
public Association createAssociation(AssociationKey key, AssociationContext associationContext) {
  //TODO we don't verify that it does not yet exist assuming that this has been done before by the calling code
  //should we improve?
  Cache<AK, Map<RowKey, Map<String, Object>>> cache = getCacheManager().getAssociationCache(
      key.getMetadata()
  );
  AK cacheKey = getKeyProvider().getAssociationCacheKey( key );
  Map<RowKey, Map<String, Object>> atomicMap = AtomicMapLookup.getFineGrainedAtomicMap( cache, cacheKey, true );
  return new Association( new MapAssociationSnapshot( atomicMap ) );
}

代码示例来源：origin: hibernate/hibernate-ogm

@Override
public Association getAssociation(AssociationKey key, AssociationContext associationContext) {
  Cache<AK, Map<RowKey, Map<String, Object>>> cache = getCacheManager().getAssociationCache(
      key.getMetadata()
  );
  AK cacheKey = getKeyProvider().getAssociationCacheKey( key );
  Map<RowKey, Map<String, Object>> atomicMap = AtomicMapLookup.getFineGrainedAtomicMap( cache, cacheKey, false );
  return atomicMap == null ? null : new Association( new MapAssociationSnapshot( atomicMap ) );
}

代码示例来源：origin: org.hibernate.ogm/hibernate-ogm-infinispan-embedded

@Override
public Association getAssociation(AssociationKey key, AssociationContext associationContext) {
  Cache<AK, Map<RowKey, Map<String, Object>>> cache = getCacheManager().getAssociationCache(
      key.getMetadata()
  );
  AK cacheKey = getKeyProvider().getAssociationCacheKey( key );
  Map<RowKey, Map<String, Object>> atomicMap = AtomicMapLookup.getFineGrainedAtomicMap( cache, cacheKey, false );
  return atomicMap == null ? null : new Association( new MapAssociationSnapshot( atomicMap ) );
}

代码示例来源：origin: hibernate/hibernate-ogm

@Override
public Association getAssociation(AssociationKey associationKey, AssociationContext associationContext) {
  EntityKey entityKey = associationKey.getEntityKey();
  Node entityNode = getEntityQueries( entityKey.getMetadata(), associationContext ).findEntity( dataBase, entityKey.getColumnValues() );
  GraphLogger.log( "Found owner node: %1$s", entityNode );
  if ( entityNode == null ) {
    return null;
  }
  Map<RowKey, Tuple> tuples = createAssociationMap( associationKey, associationContext, entityKey );
  return new Association( new EmbeddedNeo4jAssociationSnapshot( tuples ) );
}

代码示例来源：origin: hibernate/hibernate-ogm

@Override
public Association getAssociation(AssociationKey associationKey, AssociationContext associationContext) {
  EntityKey entityKey = associationKey.getEntityKey();
  Transaction tx = transaction( associationContext );
  NodeWithEmbeddedNodes node = getEntityQueries( entityKey.getMetadata(), associationContext ).findEntity( tx, entityKey.getColumnValues() );
  if ( node == null ) {
    return null;
  }
  Map<RowKey, Tuple> tuples = createAssociationMap( associationKey, associationContext, entityKey );
  return new Association( new RemoteNeo4jAssociationSnapshot( tuples ) );
}

代码示例来源：origin: hibernate/hibernate-ogm

@Override
public Association getAssociation(AssociationKey associationKey, AssociationContext associationContext) {
  EntityKey entityKey = associationKey.getEntityKey();
  Long transactionId = transactionId( associationContext.getTransactionContext() );
  NodeWithEmbeddedNodes node = getEntityQueries( entityKey.getMetadata(), associationContext.getTupleTypeContext() ).findEntity( client, transactionId, entityKey.getColumnValues() );
  if ( node == null ) {
    return null;
  }
  Map<RowKey, Tuple> tuples = createAssociationMap( associationKey, associationContext, entityKey, associationContext.getTransactionContext() );
  return new Association( new RemoteNeo4jAssociationSnapshot( tuples ) );
}

代码示例来源：origin: org.hibernate.ogm/hibernate-ogm-couchdb

@Override
public Association getAssociation(AssociationKey key, AssociationContext associationContext) {
  CouchDBAssociation couchDBAssociation = null;
  if ( isStoredInEntityStructure( key.getMetadata(), associationContext.getAssociationTypeContext() ) ) {
    TuplePointer tuplePointer = getEmbeddingEntityTuplePointer( key, associationContext );
    if ( tuplePointer == null ) {
      // The entity associated with this association has already been removed
      // see ManyToOneTest#testRemovalOfTransientEntityWithAssociation
      return null;
    }
    EntityDocument owningEntity = getEntityFromTuple( tuplePointer.getTuple() );
    if ( owningEntity != null && DotPatternMapHelpers.hasField(
        owningEntity.getPropertiesAsHierarchy(),
        key.getMetadata().getCollectionRole()
    ) ) {
      couchDBAssociation = CouchDBAssociation.fromEmbeddedAssociation( tuplePointer, key.getMetadata() );
    }
  }
  else {
    AssociationDocument association = getDataStore().getAssociation( Identifier.createAssociationId( key ) );
    if ( association != null ) {
      couchDBAssociation = CouchDBAssociation.fromAssociationDocument( association );
    }
  }
  return couchDBAssociation != null ? new Association( new CouchDBAssociationSnapshot( couchDBAssociation, key ) ) : null;
}

代码示例来源：origin: org.hibernate.ogm/hibernate-ogm-couchdb

@Override
public Association createAssociation(AssociationKey key, AssociationContext associationContext) {
  CouchDBAssociation couchDBAssociation = null;
  if ( isStoredInEntityStructure( key.getMetadata(), associationContext.getAssociationTypeContext() ) ) {
    TuplePointer tuplePointer = getEmbeddingEntityTuplePointer( key, associationContext );
    EntityDocument owningEntity = getEntityFromTuple( tuplePointer.getTuple() );
    if ( owningEntity == null ) {
      owningEntity = (EntityDocument) getDataStore().saveDocument( new EntityDocument( key.getEntityKey() ) );
      tuplePointer.setTuple( new Tuple( new CouchDBTupleSnapshot( owningEntity ), SnapshotType.UPDATE ) );
    }
    couchDBAssociation = CouchDBAssociation.fromEmbeddedAssociation( tuplePointer, key.getMetadata() );
  }
  else {
    AssociationDocument association = new AssociationDocument( Identifier.createAssociationId( key ) );
    couchDBAssociation = CouchDBAssociation.fromAssociationDocument( association );
  }
  Association association = new Association( new CouchDBAssociationSnapshot( couchDBAssociation, key ) );
  // in the case of an association stored in the entity structure, we might end up with rows present in the current snapshot of the entity
  // while we want an empty association here. So, in this case, we clear the snapshot to be sure the association created is empty.
  if ( !association.isEmpty() ) {
    association.clear();
  }
  return association;
}