Packages

trait GeoMesaMetadata[T] extends Closeable

GeoMesa Metadata/Catalog abstraction using key/value String pairs storing them on a per-typeName basis

Linear Supertypes
Closeable, AutoCloseable, AnyRef, Any
Known Subclasses
KeyValueStoreMetadata, NoOpMetadata, NoOpMetadata, TableBasedMetadata
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  1. GeoMesaMetadata
  2. Closeable
  3. AutoCloseable
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Visibility
  1. Public
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Abstract Value Members

  1. abstract def backup(typeName: String): Unit

    Create a back up of this metadata

    Create a back up of this metadata

    typeName

    simple feature type name

  2. abstract def close(): Unit
    Definition Classes
    Closeable → AutoCloseable
    Annotations
    @throws( classOf[java.io.IOException] )
  3. abstract def delete(typeName: String): Unit

    Deletes all values associated with a given feature type

    Deletes all values associated with a given feature type

    typeName

    simple feature type name

  4. abstract def getFeatureTypes: Array[String]

    Returns existing simple feature types

    Returns existing simple feature types

    returns

    simple feature type names

  5. abstract def insert(typeName: String, kvPairs: Map[String, T]): Unit

    Insert multiple values at once - may be more efficient than single inserts

    Insert multiple values at once - may be more efficient than single inserts

    typeName

    simple feature type name

    kvPairs

    key/values

  6. abstract def insert(typeName: String, key: String, value: T): Unit

    Insert a value - any existing value under the given key will be overwritten

    Insert a value - any existing value under the given key will be overwritten

    typeName

    simple feature type name

    key

    key

    value

    value

  7. abstract def invalidateCache(typeName: String, key: String): Unit

    Invalidates any cached value for the given key

    Invalidates any cached value for the given key

    typeName

    simple feature type name

    key

    key

  8. abstract def read(typeName: String, key: String, cache: Boolean = true): Option[T]

    Reads a value

    Reads a value

    typeName

    simple feature type name

    key

    key

    cache

    may return a cached value if true, otherwise may use a slower lookup

    returns

    value, if present

  9. abstract def remove(typeName: String, keys: Seq[String]): Unit

    Delete multiple keys at once - may be more efficient than single deletes

    Delete multiple keys at once - may be more efficient than single deletes

    typeName

    simple feature type name

    keys

    keys

  10. abstract def remove(typeName: String, key: String): Unit

    Delete a key

    Delete a key

    typeName

    simple feature type name

    key

    key

  11. abstract def resetCache(): Unit

    table cache should be cleared up when catalog is deleted in database

  12. abstract def scan(typeName: String, prefix: String, cache: Boolean = true): Seq[(String, T)]

    Scan for keys starting with a given prefix

    Scan for keys starting with a given prefix

    typeName

    simple feature type name

    prefix

    key prefix

    cache

    may return a cached value if true, otherwise may use a slower lookup

    returns

    keys -> values

Concrete Value Members

  1. def readRequired(typeName: String, key: String): T

    Reads a value.

    Reads a value. Throws an exception if value is missing

    typeName

    simple feature type name

    key

    key

    returns

    value