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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.flags;
import java.time.Instant;
import java.util.EnumSet;
import java.util.List;
import java.util.Set;
/**
* @author hakonhall
*/
public class FlagDefinition {
private final UnboundFlag<?, ?, ?> unboundFlag;
private final List<String> owners;
private final Instant createdAt;
private final Instant expiresAt;
private final String description;
private final String modificationEffect;
private final List<FetchVector.Dimension> dimensions;
public FlagDefinition(
UnboundFlag<?, ?, ?> unboundFlag,
List<String> owners,
Instant createdAt,
Instant expiresAt,
String description,
String modificationEffect,
FetchVector.Dimension... dimensions) {
this.unboundFlag = unboundFlag;
this.owners = owners;
this.createdAt = createdAt;
this.expiresAt = expiresAt;
this.description = description;
this.modificationEffect = modificationEffect;
this.dimensions = List.of(dimensions);
validate(owners, createdAt, expiresAt, this.dimensions);
}
public UnboundFlag<?, ?, ?> getUnboundFlag() {
return unboundFlag;
}
public List<FetchVector.Dimension> getDimensions() {
return dimensions;
}
public String getDescription() {
return description;
}
public String getModificationEffect() {
return modificationEffect;
}
public List<String> getOwners() { return owners; }
public Instant getCreatedAt() { return createdAt; }
public Instant getExpiresAt() { return expiresAt; }
private static void validate(List<String> owners, Instant createdAt, Instant expiresAt, List<FetchVector.Dimension> dimensions) {
if (expiresAt.isBefore(createdAt)) {
throw new IllegalArgumentException(
String.format(
"Flag cannot expire before its creation date (createdAt='%s', expiresAt='%s')",
createdAt, expiresAt));
}
if (owners == PermanentFlags.OWNERS) {
if (!createdAt.equals(PermanentFlags.CREATED_AT) || !expiresAt.equals(PermanentFlags.EXPIRES_AT)) {
throw new IllegalArgumentException("Invalid creation or expiration date for permanent flag");
}
} else if (owners.isEmpty()) {
throw new IllegalArgumentException("Owner(s) must be specified");
}
if (dimensions.contains(FetchVector.Dimension.CONSOLE_USER_EMAIL)) {
Set<FetchVector.Dimension> disallowedCombinations = EnumSet.allOf(FetchVector.Dimension.class);
disallowedCombinations.remove(FetchVector.Dimension.CONSOLE_USER_EMAIL);
disallowedCombinations.remove(FetchVector.Dimension.INSTANCE_ID);
disallowedCombinations.remove(FetchVector.Dimension.TENANT_ID);
disallowedCombinations.retainAll(dimensions);
if (!disallowedCombinations.isEmpty())
throw new IllegalArgumentException("Dimension " + FetchVector.Dimension.CONSOLE_USER_EMAIL + " cannot be combined with " + disallowedCombinations);
}
}
}
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