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package org.infinispan.client.hotrod;
import java.util.Locale;
import org.infinispan.client.hotrod.impl.protocol.Codec;
import org.infinispan.client.hotrod.impl.protocol.Codec20;
import org.infinispan.client.hotrod.impl.protocol.Codec21;
import org.infinispan.client.hotrod.impl.protocol.Codec22;
import org.infinispan.client.hotrod.impl.protocol.Codec23;
import org.infinispan.client.hotrod.impl.protocol.Codec24;
import org.infinispan.client.hotrod.impl.protocol.Codec25;
import org.infinispan.client.hotrod.impl.protocol.Codec26;
import org.infinispan.client.hotrod.impl.protocol.Codec27;
import org.infinispan.client.hotrod.impl.protocol.Codec28;
import org.infinispan.client.hotrod.impl.protocol.Codec29;
import org.infinispan.client.hotrod.impl.protocol.Codec30;
import org.infinispan.client.hotrod.impl.protocol.Codec31;
import org.infinispan.client.hotrod.impl.protocol.Codec40;
/**
* Enumeration of supported Hot Rod client protocol VERSIONS.
*
* @author Radoslav Husar
* @since 9.0
*/
public enum ProtocolVersion {
// These need to go in order: lowest version is first - this way compareTo works for VERSIONS
PROTOCOL_VERSION_20(2, 0, new Codec20()),
PROTOCOL_VERSION_21(2, 1, new Codec21()),
PROTOCOL_VERSION_22(2, 2, new Codec22()),
PROTOCOL_VERSION_23(2, 3, new Codec23()),
PROTOCOL_VERSION_24(2, 4, new Codec24()),
PROTOCOL_VERSION_25(2, 5, new Codec25()),
PROTOCOL_VERSION_26(2, 6, new Codec26()),
PROTOCOL_VERSION_27(2, 7, new Codec27()),
PROTOCOL_VERSION_28(2, 8, new Codec28()),
PROTOCOL_VERSION_29(2, 9, new Codec29()),
PROTOCOL_VERSION_30(3, 0, new Codec30()),
PROTOCOL_VERSION_31(3, 1, new Codec31()),
PROTOCOL_VERSION_40(4, 0, new Codec40()),
// New VERSIONS go above this line to satisfy compareTo of enum working for VERSIONS
// The version here doesn't matter as long as it is >= 3.0. It must be the LAST version
PROTOCOL_VERSION_AUTO(4, 0, "AUTO", new Codec40()),
;
private static final ProtocolVersion[] VERSIONS = values();
public static final ProtocolVersion DEFAULT_PROTOCOL_VERSION = PROTOCOL_VERSION_AUTO;
public static final ProtocolVersion HIGHEST_PROTOCOL_VERSION = VERSIONS[VERSIONS.length - 2];
public static final ProtocolVersion SAFE_HANDSHAKE_PROTOCOL_VERSION = PROTOCOL_VERSION_31;
private final String textVersion;
private final int version;
private final Codec codec;
ProtocolVersion(int major, int minor, Codec codec) {
this(major, minor, String.format(Locale.ROOT, "%d.%d", major, minor), codec);
}
ProtocolVersion(int major, int minor, String name, Codec codec) {
assert minor < 10;
this.textVersion = name;
this.version = major * 10 + minor;
this.codec = codec;
}
@Override
public String toString() {
return textVersion;
}
public int getVersion() {
return version;
}
public Codec getCodec() {
return codec;
}
public static ProtocolVersion parseVersion(String version) {
if ("AUTO".equalsIgnoreCase(version)) {
return PROTOCOL_VERSION_AUTO;
}
for (ProtocolVersion v : VERSIONS) {
if (v.textVersion.equals(version))
return v;
}
throw new IllegalArgumentException("Illegal version " + version);
}
public static ProtocolVersion getBestVersion(int version) {
// We skip the last version (auto)
for (int i = VERSIONS.length - 2; i > 0; i--) {
if (version >= VERSIONS[i].version)
return VERSIONS[i];
}
throw new IllegalArgumentException("Illegal version " + version);
}
public ProtocolVersion choose(ProtocolVersion serverVersion) {
if (serverVersion == null) {
return this;
}
return (serverVersion.compareTo(this) >= 0) ? this : serverVersion;
}
}
