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Tinker Rearm Core

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package io.contek.tinker.rearm;

import com.google.common.collect.ImmutableTable;
import com.google.common.collect.Table;
import java.nio.file.Path;
import java.util.NoSuchElementException;
import java.util.function.Supplier;
import javax.annotation.Nullable;
import javax.annotation.concurrent.ThreadSafe;

@ThreadSafe
public abstract class RearmTableStore
    extends RearmStore> {

  protected RearmTableStore(Path configPath, IParser parser) {
    super(configPath, parser);
  }

  public final Value get(RowKey rowKey, ColumnKey columnKey) throws NoSuchElementException {
    return getOrThrow(rowKey, columnKey, NoSuchElementException::new);
  }

  public final  Value getOrThrow(
      RowKey rowKey, ColumnKey columnKey, Supplier t) throws E {
    Value value = getNullable(rowKey, columnKey);
    if (value == null) {
      throw t.get();
    }
    return value;
  }

  @Nullable
  public final Value getNullable(RowKey rowKey, ColumnKey columnKey) {
    Table table = getTable();
    return table.get(rowKey, columnKey);
  }

  public final ImmutableTable getTable() {
    ImmutableTable item = getParsedConfig();
    return item == null ? ImmutableTable.of() : item;
  }

  /** Parser to read and parse {@link ImmutableTable} from a file. */
  @ThreadSafe
  public interface IParser
      extends RearmStore.IParser> {}

  /** Listener which gets called when {@link ImmutableTable} has update. */
  @ThreadSafe
  public interface IListener
      extends RearmStore.IListener> {}
}