io.lenses.jdbc4.BaseResultSet.kt Maven / Gradle / Ivy

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package io.lenses.jdbc4

import io.lenses.jdbc4.resultset.AvroSchemaResultSetMetaData
import io.lenses.jdbc4.row.Row
import java.io.InputStream
import java.io.Reader
import java.math.BigDecimal
import java.net.URL
import java.sql.Blob
import java.sql.Clob
import java.sql.Date
import java.sql.NClob
import java.sql.Ref
import java.sql.ResultSet
import java.sql.ResultSetMetaData
import java.sql.RowId
import java.sql.SQLFeatureNotSupportedException
import java.sql.SQLWarning
import java.sql.SQLXML
import java.sql.Statement
import java.sql.Time
import java.sql.Timestamp
import java.util.*

abstract class BaseResultSet(val stmt: Statement?) : ResultSet, IWrapper {

  private var lastValue: Any? = null

  override fun isWrapperFor(iface: Class<*>?): Boolean = _isWrapperFor(iface)
  override fun  unwrap(iface: Class): T = _unwrap(iface)

  override fun getStatement(): Statement? = stmt

  // we do not support updates, so this method is irrelevant
  // CLOSE is the nearest match
  override fun getHoldability(): Int = ResultSet.CLOSE_CURSORS_AT_COMMIT

  override fun wasNull(): Boolean = lastValue == null

  protected abstract fun currentRow(): Row

  private fun  trackObject(t: T): T {
    this.lastValue = t
    return t
  }

  abstract fun meta(): AvroSchemaResultSetMetaData

  override fun getMetaData(): ResultSetMetaData  = meta()

  override fun findColumn(label: String): Int = meta().indexForLabel(label)

  override fun getCursorName(): String = throw SQLFeatureNotSupportedException()

  override fun clearWarnings() {}
  override fun getWarnings(): SQLWarning? = null

  override fun getConcurrency(): Int = ResultSet.CONCUR_READ_ONLY

  // == methods that return data types -> just delegation to the row interface

  override fun getDate(index: Int): Date? = trackObject(currentRow().getDate(index))
  override fun getDate(label: String): Date? = trackObject(getDate(meta().indexForLabel(label)))
  override fun getDate(index: Int, cal: Calendar?): Date? = trackObject(currentRow().getDate(index, cal))
  override fun getDate(label: String, cal: Calendar?): Date? = trackObject(currentRow().getDate(meta().indexForLabel(label), cal))
  override fun getBoolean(index: Int): Boolean = trackObject(currentRow().getBoolean(index))
  override fun getBoolean(label: String): Boolean = trackObject(currentRow().getBoolean(meta().indexForLabel(label)))
  override fun getBigDecimal(index: Int, scale: Int): BigDecimal? = trackObject(currentRow().getBigDecimal(index, scale))
  override fun getBigDecimal(label: String, scale: Int): BigDecimal? = trackObject(currentRow().getBigDecimal(meta().indexForLabel(label), scale))
  override fun getBigDecimal(index: Int): BigDecimal? = trackObject(currentRow().getBigDecimal(index))
  override fun getBigDecimal(label: String): BigDecimal? = trackObject(currentRow().getBigDecimal(meta().indexForLabel(label)))
  override fun getTime(index: Int): Time? = trackObject(currentRow().getTime(index))
  override fun getTime(label: String): Time? = trackObject(currentRow().getTime(meta().indexForLabel(label)))
  override fun getTime(index: Int, cal: Calendar): Time? = trackObject(currentRow().getTime(index, cal))
  override fun getTime(label: String, cal: Calendar): Time? = trackObject(currentRow().getTime(meta().indexForLabel(label), cal))
  override fun getByte(index: Int): Byte = trackObject(currentRow().getByte(index))
  override fun getByte(label: String): Byte = trackObject(currentRow().getByte(meta().indexForLabel(label)))
  override fun getString(index: Int): String? = trackObject(currentRow().getString(index))
  override fun getString(label: String): String? = trackObject(currentRow().getString(meta().indexForLabel(label)))
  override fun getObject(index: Int): Any? = trackObject(currentRow().getObject(index))
  override fun getObject(label: String): Any? = trackObject(currentRow().getObject(meta().indexForLabel(label)))
  override fun getLong(index: Int): Long = trackObject(currentRow().getLong(index))
  override fun getLong(label: String): Long = trackObject(currentRow().getLong(meta().indexForLabel(label)))
  override fun getFloat(index: Int): Float = trackObject(currentRow().getFloat(index))
  override fun getFloat(label: String): Float = trackObject(currentRow().getFloat(meta().indexForLabel(label)))
  override fun getInt(index: Int): Int = trackObject(currentRow().getInt(index))
  override fun getInt(label: String): Int = trackObject(currentRow().getInt(meta().indexForLabel(label)))
  override fun getShort(index: Int): Short = trackObject(currentRow().getShort(index))
  override fun getShort(label: String): Short = trackObject(currentRow().getShort(meta().indexForLabel(label)))
  override fun getTimestamp(index: Int): Timestamp? = trackObject(currentRow().getTimestamp(index))
  override fun getTimestamp(label: String): Timestamp? = trackObject(currentRow().getTimestamp(meta().indexForLabel(label)))
  override fun getTimestamp(index: Int, cal: Calendar): Timestamp? = trackObject(currentRow().getTimestamp(index, cal))
  override fun getTimestamp(label: String, cal: Calendar): Timestamp? = trackObject(currentRow().getTimestamp(meta().indexForLabel(label), cal))
  override fun getBytes(index: Int): ByteArray? = trackObject(currentRow().getBytes(index))
  override fun getBytes(label: String): ByteArray? = trackObject(currentRow().getBytes(meta().indexForLabel(label)))
  override fun getDouble(index: Int): Double = trackObject(currentRow().getDouble(index))
  override fun getDouble(label: String): Double = trackObject(currentRow().getDouble(meta().indexForLabel(label)))
  override fun getNString(index: Int): String? = trackObject(currentRow().getString(index))
  override fun getNString(label: String): String? = trackObject(currentRow().getString(meta().indexForLabel(label)))
  override fun getCharacterStream(index: Int): Reader? = currentRow().charStream(index)
  override fun getCharacterStream(label: String): Reader? = currentRow().charStream(meta().indexForLabel(label))

  // unsupported data types

  override fun getNClob(index: Int): NClob = throw SQLFeatureNotSupportedException()
  override fun getNClob(label: String?): NClob = throw SQLFeatureNotSupportedException()
  override fun getBinaryStream(index: Int): InputStream? = throw SQLFeatureNotSupportedException()
  override fun getBinaryStream(label: String): InputStream? = throw SQLFeatureNotSupportedException()
  override fun getBlob(index: Int): Blob? = throw SQLFeatureNotSupportedException()
  override fun getBlob(label: String): Blob? = throw SQLFeatureNotSupportedException()
  override fun getUnicodeStream(index: Int): InputStream = throw SQLFeatureNotSupportedException()
  override fun getUnicodeStream(label: String?): InputStream = throw SQLFeatureNotSupportedException()
  override fun getNCharacterStream(index: Int): Reader = throw SQLFeatureNotSupportedException()
  override fun getNCharacterStream(label: String?): Reader = throw SQLFeatureNotSupportedException()
  override fun getAsciiStream(index: Int): InputStream = throw SQLFeatureNotSupportedException()
  override fun getAsciiStream(label: String?): InputStream = throw SQLFeatureNotSupportedException()
  override fun getSQLXML(index: Int): SQLXML = throw SQLFeatureNotSupportedException()
  override fun getSQLXML(label: String?): SQLXML = throw SQLFeatureNotSupportedException()
  override fun getURL(index: Int): URL = throw SQLFeatureNotSupportedException()
  override fun getURL(label: String?): URL = throw SQLFeatureNotSupportedException()
  override fun getObject(index: Int, map: MutableMap>?): Any = throw SQLFeatureNotSupportedException()
  override fun getObject(label: String?, map: MutableMap>?): Any = throw SQLFeatureNotSupportedException()
  override fun  getObject(index: Int, type: Class?): T = throw SQLFeatureNotSupportedException()
  override fun  getObject(label: String?, type: Class?): T = throw SQLFeatureNotSupportedException()
  override fun getClob(index: Int): Clob = throw SQLFeatureNotSupportedException()
  override fun getClob(label: String?): Clob = throw SQLFeatureNotSupportedException()
  override fun getArray(index: Int): java.sql.Array = throw SQLFeatureNotSupportedException()
  override fun getArray(label: String?): java.sql.Array = throw SQLFeatureNotSupportedException()
  override fun getRef(index: Int): Ref = throw SQLFeatureNotSupportedException()
  override fun getRef(label: String?): Ref = throw SQLFeatureNotSupportedException()


  override fun getRowId(index: Int): RowId = throw SQLFeatureNotSupportedException()
  override fun getRowId(label: String?): RowId = throw SQLFeatureNotSupportedException()

  // == mutation methods not supported ==

  override fun refreshRow() {}
  override fun rowInserted(): Boolean = throw SQLFeatureNotSupportedException()
  override fun rowDeleted(): Boolean = throw SQLFeatureNotSupportedException()
  override fun moveToInsertRow() = throw SQLFeatureNotSupportedException()
  override fun insertRow() = throw SQLFeatureNotSupportedException()
  override fun rowUpdated(): Boolean = throw SQLFeatureNotSupportedException()
  override fun moveToCurrentRow() {}
  override fun cancelRowUpdates() = throw SQLFeatureNotSupportedException()

  override fun updateShort(index: Int, x: Short) = throw SQLFeatureNotSupportedException()
  override fun updateShort(label: String?, x: Short) = throw SQLFeatureNotSupportedException()
  override fun updateLong(index: Int, x: Long) = throw SQLFeatureNotSupportedException()
  override fun updateLong(label: String?, x: Long) = throw SQLFeatureNotSupportedException()
  override fun updateClob(index: Int, x: Clob?) = throw SQLFeatureNotSupportedException()
  override fun updateClob(label: String?, x: Clob?) = throw SQLFeatureNotSupportedException()
  override fun updateClob(index: Int, reader: Reader?, length: Long) = throw SQLFeatureNotSupportedException()
  override fun updateClob(label: String?, reader: Reader?, length: Long) = throw SQLFeatureNotSupportedException()
  override fun updateClob(index: Int, reader: Reader?) = throw SQLFeatureNotSupportedException()
  override fun updateClob(label: String?, reader: Reader?) = throw SQLFeatureNotSupportedException()
  override fun updateTimestamp(index: Int, x: Timestamp?) = throw SQLFeatureNotSupportedException()
  override fun updateTimestamp(label: String?, x: Timestamp?) = throw SQLFeatureNotSupportedException()
  override fun updateNCharacterStream(index: Int, x: Reader?, length: Long) = throw SQLFeatureNotSupportedException()
  override fun updateNCharacterStream(label: String?, reader: Reader?, length: Long) = throw SQLFeatureNotSupportedException()
  override fun updateNCharacterStream(index: Int, x: Reader?) = throw SQLFeatureNotSupportedException()
  override fun updateNCharacterStream(label: String?, reader: Reader?) = throw SQLFeatureNotSupportedException()
  override fun updateInt(index: Int, x: Int) = throw SQLFeatureNotSupportedException()
  override fun updateInt(label: String?, x: Int) = throw SQLFeatureNotSupportedException()
  override fun updateNString(index: Int, nString: String?) = throw SQLFeatureNotSupportedException()
  override fun updateNString(label: String?, nString: String?) = throw SQLFeatureNotSupportedException()
  override fun updateBinaryStream(index: Int, x: InputStream?, length: Int) = throw SQLFeatureNotSupportedException()
  override fun updateBinaryStream(label: String?, x: InputStream?, length: Int) = throw SQLFeatureNotSupportedException()
  override fun updateBinaryStream(index: Int, x: InputStream?, length: Long) = throw SQLFeatureNotSupportedException()
  override fun updateBinaryStream(label: String?, x: InputStream?, length: Long) = throw SQLFeatureNotSupportedException()
  override fun updateBinaryStream(index: Int, x: InputStream?) = throw SQLFeatureNotSupportedException()
  override fun updateBinaryStream(label: String?, x: InputStream?) = throw SQLFeatureNotSupportedException()
  override fun updateNull(index: Int) = throw SQLFeatureNotSupportedException()
  override fun updateNull(label: String?) = throw SQLFeatureNotSupportedException()
  override fun updateCharacterStream(index: Int, x: Reader?) = throw SQLFeatureNotSupportedException()
  override fun updateCharacterStream(label: String?, reader: Reader?) = throw SQLFeatureNotSupportedException()
  override fun updateCharacterStream(index: Int, x: Reader?, length: Int) = throw SQLFeatureNotSupportedException()
  override fun updateCharacterStream(label: String?, reader: Reader?, length: Int) = throw SQLFeatureNotSupportedException()
  override fun updateCharacterStream(index: Int, x: Reader?, length: Long) = throw SQLFeatureNotSupportedException()
  override fun updateCharacterStream(label: String?, reader: Reader?, length: Long) = throw SQLFeatureNotSupportedException()
  override fun updateBoolean(index: Int, x: Boolean) = throw SQLFeatureNotSupportedException()
  override fun updateBoolean(label: String?, x: Boolean) = throw SQLFeatureNotSupportedException()
  override fun updateBigDecimal(index: Int, x: BigDecimal?) = throw SQLFeatureNotSupportedException()
  override fun updateBigDecimal(label: String?, x: BigDecimal?) = throw SQLFeatureNotSupportedException()
  override fun updateString(index: Int, x: String?) = throw SQLFeatureNotSupportedException()
  override fun updateString(label: String?, x: String?) = throw SQLFeatureNotSupportedException()
  override fun updateTime(index: Int, x: Time?) = throw SQLFeatureNotSupportedException()
  override fun updateTime(label: String?, x: Time?) = throw SQLFeatureNotSupportedException()
  override fun updateNClob(index: Int, nClob: NClob?) = throw SQLFeatureNotSupportedException()
  override fun updateNClob(label: String?, nClob: NClob?) = throw SQLFeatureNotSupportedException()
  override fun updateNClob(index: Int, reader: Reader?, length: Long) = throw SQLFeatureNotSupportedException()
  override fun updateNClob(label: String?, reader: Reader?, length: Long) = throw SQLFeatureNotSupportedException()
  override fun updateNClob(index: Int, reader: Reader?) = throw SQLFeatureNotSupportedException()
  override fun updateNClob(label: String?, reader: Reader?) = throw SQLFeatureNotSupportedException()
  override fun updateRef(index: Int, x: Ref?) = throw SQLFeatureNotSupportedException()
  override fun updateRef(label: String?, x: Ref?) = throw SQLFeatureNotSupportedException()
  override fun updateObject(index: Int, x: Any?, scaleOrLength: Int) = throw SQLFeatureNotSupportedException()
  override fun updateObject(index: Int, x: Any?) = throw SQLFeatureNotSupportedException()
  override fun updateObject(label: String?, x: Any?, scaleOrLength: Int) = throw SQLFeatureNotSupportedException()
  override fun updateObject(label: String?, x: Any?) = throw SQLFeatureNotSupportedException()
  override fun updateAsciiStream(index: Int, x: InputStream?, length: Int) = throw SQLFeatureNotSupportedException()
  override fun updateAsciiStream(label: String?, x: InputStream?, length: Int) = throw SQLFeatureNotSupportedException()
  override fun updateAsciiStream(index: Int, x: InputStream?, length: Long) = throw SQLFeatureNotSupportedException()
  override fun updateAsciiStream(label: String?, x: InputStream?, length: Long) = throw SQLFeatureNotSupportedException()
  override fun updateAsciiStream(index: Int, x: InputStream?) = throw SQLFeatureNotSupportedException()
  override fun updateAsciiStream(label: String?, x: InputStream?) = throw SQLFeatureNotSupportedException()
  override fun updateBytes(index: Int, x: ByteArray?) = throw SQLFeatureNotSupportedException()
  override fun updateBytes(label: String?, x: ByteArray?) = throw SQLFeatureNotSupportedException()
  override fun updateBlob(index: Int, inputStream: InputStream?, length: Long) = throw SQLFeatureNotSupportedException()
  override fun updateBlob(label: String?, inputStream: InputStream?, length: Long) = throw SQLFeatureNotSupportedException()
  override fun updateBlob(index: Int, inputStream: InputStream?) = throw SQLFeatureNotSupportedException()
  override fun updateBlob(label: String?, inputStream: InputStream?) = throw SQLFeatureNotSupportedException()
  override fun updateRowId(index: Int, x: RowId?) = throw SQLFeatureNotSupportedException()
  override fun updateRowId(label: String?, x: RowId?) = throw SQLFeatureNotSupportedException()
  override fun updateArray(index: Int, x: java.sql.Array?) = throw SQLFeatureNotSupportedException()
  override fun updateArray(label: String?, x: java.sql.Array?) = throw SQLFeatureNotSupportedException()
  override fun updateSQLXML(index: Int, xmlObject: SQLXML?) = throw SQLFeatureNotSupportedException()
  override fun updateSQLXML(label: String?, xmlObject: SQLXML?) = throw SQLFeatureNotSupportedException()
  override fun updateDate(index: Int, x: Date?) = throw SQLFeatureNotSupportedException()
  override fun updateDate(label: String?, x: Date?) = throw SQLFeatureNotSupportedException()
  override fun updateDouble(index: Int, x: Double) = throw SQLFeatureNotSupportedException()
  override fun updateDouble(label: String?, x: Double) = throw SQLFeatureNotSupportedException()
  override fun updateBlob(index: Int, x: Blob?) = throw SQLFeatureNotSupportedException()
  override fun updateBlob(label: String?, x: Blob?) = throw SQLFeatureNotSupportedException()
  override fun updateByte(index: Int, x: Byte) = throw SQLFeatureNotSupportedException()
  override fun updateByte(label: String?, x: Byte) = throw SQLFeatureNotSupportedException()
  override fun updateRow() = throw SQLFeatureNotSupportedException()
  override fun deleteRow() = throw SQLFeatureNotSupportedException()
  override fun updateFloat(index: Int, x: Float) = throw SQLFeatureNotSupportedException()
  override fun updateFloat(label: String?, x: Float) = throw SQLFeatureNotSupportedException()
}