62 lines
1.2 KiB
Java
62 lines
1.2 KiB
Java
package it.cavallium.dbengine.database;
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import io.netty5.util.Send;
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import java.util.function.Supplier;
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public abstract class RangeSupplier implements DiscardingCloseable, Supplier<LLRange> {
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public static RangeSupplier of(Supplier<LLRange> supplier) {
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return new SimpleSupplier(supplier);
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}
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public static RangeSupplier of(Send<LLRange> supplier) {
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return new CopySupplier(supplier.receive());
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}
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public static RangeSupplier ofOwned(LLRange supplier) {
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return new CopySupplier(supplier);
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}
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public static RangeSupplier ofShared(LLRange supplier) {
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return new SimpleSupplier(supplier::copy);
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}
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private static final class SimpleSupplier extends RangeSupplier {
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private final Supplier<LLRange> supplier;
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public SimpleSupplier(Supplier<LLRange> supplier) {
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this.supplier = supplier;
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}
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@Override
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public LLRange get() {
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return supplier.get();
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}
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@Override
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public void close() {
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}
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}
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private static final class CopySupplier extends RangeSupplier {
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private final LLRange supplier;
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public CopySupplier(LLRange supplier) {
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this.supplier = supplier;
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}
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@Override
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public LLRange get() {
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return supplier.copy();
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}
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@Override
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public void close() {
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supplier.close();
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}
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}
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}
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