114 lines
2.6 KiB
Java
114 lines
2.6 KiB
Java
package it.cavallium.dbengine.database;
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import io.netty5.buffer.api.Buffer;
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import io.netty5.buffer.api.Drop;
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import io.netty5.buffer.api.Owned;
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import io.netty5.util.Resource;
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import io.netty5.util.Send;
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import io.netty5.buffer.api.internal.ResourceSupport;
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import it.cavallium.dbengine.utils.SimpleResource;
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import java.util.Objects;
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import java.util.StringJoiner;
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import org.apache.logging.log4j.LogManager;
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import org.apache.logging.log4j.Logger;
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import org.jetbrains.annotations.NotNull;
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import org.jetbrains.annotations.Nullable;
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public class LLEntry extends SimpleResource implements DiscardingCloseable {
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private static final Logger logger = LogManager.getLogger(LLEntry.class);
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private Buffer key;
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private Buffer value;
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private LLEntry(@NotNull Send<Buffer> key, @NotNull Send<Buffer> value) {
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this.key = key.receive();
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this.value = value.receive();
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assert isAllAccessible();
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}
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private LLEntry(@NotNull Buffer key, @NotNull Buffer value) {
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this.key = key;
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this.value = value;
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assert isAllAccessible();
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}
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private boolean isAllAccessible() {
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assert key != null && key.isAccessible();
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assert value != null && value.isAccessible();
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return true;
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}
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public static LLEntry of(@NotNull Buffer key, @NotNull Buffer value) {
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return new LLEntry(key, value);
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}
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public Send<Buffer> getKey() {
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ensureOwned();
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return Objects.requireNonNull(key).copy().send();
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}
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public Buffer getKeyUnsafe() {
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return key;
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}
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public Send<Buffer> getValue() {
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ensureOwned();
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return Objects.requireNonNull(value).copy().send();
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}
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public Buffer getValueUnsafe() {
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return value;
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}
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private void ensureOwned() {
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assert isAllAccessible();
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}
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@Override
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public boolean equals(Object o) {
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if (this == o) {
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return true;
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}
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if (o == null || getClass() != o.getClass()) {
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return false;
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}
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LLEntry LLEntry = (LLEntry) o;
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return LLUtils.equals(key, LLEntry.key) && LLUtils.equals(value, LLEntry.value);
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}
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@Override
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public int hashCode() {
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int result = LLUtils.hashCode(key);
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result = 31 * result + LLUtils.hashCode(value);
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return result;
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}
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@Override
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public String toString() {
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return new StringJoiner(", ", LLEntry.class.getSimpleName() + "[", "]")
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.add("key=" + LLUtils.toString(key))
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.add("value=" + LLUtils.toString(value))
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.toString();
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}
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@Override
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protected void onClose() {
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try {
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if (key != null && key.isAccessible()) {
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key.close();
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}
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} catch (Throwable ex) {
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logger.error("Failed to close key", ex);
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}
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try {
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if (value != null && value.isAccessible()) {
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value.close();
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}
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} catch (Throwable ex) {
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logger.error("Failed to close value", ex);
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}
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key = null;
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value = null;
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}
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}
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