frostfs-sdk-java/client/src/main/java/info/frostfs/sdk/pool/SessionCache.java

package info.frostfs.sdk.pool;

import info.frostfs.sdk.dto.session.SessionToken;
import org.apache.commons.lang3.StringUtils;

import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;

public class SessionCache {
    private final ConcurrentMap<String, SessionToken> cache = new ConcurrentHashMap<>();
    private final long tokenDuration;
    private long currentEpoch;

    public SessionCache(long sessionExpirationDuration) {
        this.tokenDuration = sessionExpirationDuration;
    }

    public boolean contains(String key) {
        return cache.containsKey(key);
    }

    public SessionToken tryGetValue(String key) {
        return StringUtils.isBlank(key) ? null : cache.get(key);
    }

    public void setValue(String key, SessionToken value) {
        if (key != null) {
            cache.put(key, value);
        }
    }

    public void deleteByPrefix(String prefix) {
        cache.keySet().removeIf(key -> key.startsWith(prefix));
    }
}