コード例 #1
0
  protected void createTables(boolean dropTables, boolean dropUnused) {

    for (TableMetadata table :
        session.getCluster().getMetadata().getKeyspace(keyspaceName).getTables()) {
      if (dropTables) {
        if (dropUnused || mappingContext.usesTable(table)) {
          admin.dropTable(table.getName());
        }
      }
    }

    Collection<? extends CassandraPersistentEntity<?>> entities =
        converter.getMappingContext().getPersistentEntities();

    for (CassandraPersistentEntity<?> entity : entities) {
      admin.createTable(false, entity.getTableName(), entity.getType(), null /* TODO */);
    }
  }
コード例 #2
0
  @Override
  public CassandraPersistentProperty createPersistentProperty(
      Field field,
      PropertyDescriptor descriptor,
      CassandraPersistentEntity<?> owner,
      SimpleTypeHolder simpleTypeHolder) {
    PersistentEntity gormEntity = gormCassandraMappingContext.getPersistentEntity(owner.getName());
    final CassandraPersistentProperty property =
        super.createPersistentProperty(field, descriptor, owner, simpleTypeHolder);
    final CassandraPersistentProperty transientProperty =
        new BasicCassandraPersistentProperty(
            field, descriptor, owner, (CassandraSimpleTypeHolder) simpleTypeHolder) {
          public boolean isTransient() {
            return true;
          }
        };
    if (field == null && !property.usePropertyAccess()) {
      return transientProperty;
    }
    if (field != null && Modifier.isTransient(field.getModifiers())) {
      return transientProperty;
    }
    if (field != null && grails.core.GrailsDomainClassProperty.ERRORS.equals(field.getName())) {
      return transientProperty;
    }

    if (field != null && field.getType().equals(Errors.class)) {
      return transientProperty;
    }

    if (field != null
        && (field.getName().contains(INTERNAL_MARKER)
            || field.getName().startsWith(INTERNAL_GRAILS_FIELD_MARKER))) {
      return transientProperty;
    }

    if (descriptor != null
        && descriptor.getWriteMethod() == null
        && descriptor.getReadMethod() == null) {
      return transientProperty;
    }

    Class<?> rawType =
        field != null ? field.getType() : descriptor != null ? descriptor.getPropertyType() : null;
    if (rawType == null) {
      return transientProperty;
    }
    if (rawType.isEnum()) {
      // persist as a string
      return new BasicCassandraPersistentProperty(
          field, descriptor, owner, (CassandraSimpleTypeHolder) simpleTypeHolder) {
        public com.datastax.driver.core.DataType getDataType() {
          return CassandraSimpleTypeHolder.getDataTypeFor(String.class);
        };

        public java.lang.Class<?> getType() {
          return String.class;
        };

        public boolean usePropertyAccess() {
          return true;
        };
      };
    } else if (URL.class.isAssignableFrom(rawType)
        || TimeZone.class.isAssignableFrom(rawType)
        || Locale.class.isAssignableFrom(rawType)
        || Currency.class.isAssignableFrom(rawType)
        || Calendar.class.isAssignableFrom(rawType)) {
      // persist as a string
      return new BasicCassandraPersistentProperty(
          field, descriptor, owner, (CassandraSimpleTypeHolder) simpleTypeHolder) {
        public com.datastax.driver.core.DataType getDataType() {
          return CassandraSimpleTypeHolder.getDataTypeFor(String.class);
        };

        public java.lang.Class<?> getType() {
          return String.class;
        };

        public boolean isEntity() {
          return false;
        };

        public boolean usePropertyAccess() {
          return true;
        };
      };
    } else if (field != null
        && GrailsDomainClassProperty.VERSION.equals(field.getName())
        && !gormEntity.isVersioned()) {
      return transientProperty;
    }

    // for collections or maps of non-primitive types, i.e associations,
    // return transient property as spring data cassandra doesn't support
    if (!property.isTransient()) {
      if (property.isMap() || property.isCollectionLike()) {
        try {
          property.getDataType();
        } catch (InvalidDataAccessApiUsageException e) {
          return transientProperty;
        }
      }
    }
    return property;
  }