io.bdeploy.bhive.op.ObjectExistsOperation Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of api Show documentation

Public API including dependencies, ready to be used for integrations and plugins.

The newest version!

package io.bdeploy.bhive.op;

import java.util.Collection;
import java.util.LinkedHashSet;
import java.util.Set;

import io.bdeploy.bhive.BHive;
import io.bdeploy.bhive.ReadOnlyOperation;
import io.bdeploy.bhive.audit.AuditParameterExtractor.AuditStrategy;
import io.bdeploy.bhive.audit.AuditParameterExtractor.AuditWith;
import io.bdeploy.bhive.model.ObjectId;
import io.bdeploy.bhive.op.ObjectExistsOperation.Result;
import io.bdeploy.common.ActivityReporter.Activity;

/**
 * Checks whether the given {@link ObjectId}s exist in the {@link BHive}.
 */
@ReadOnlyOperation
public class ObjectExistsOperation extends BHive.Operation {

    @AuditWith(AuditStrategy.COLLECTION_SIZE)
    private final Set objects = new LinkedHashSet<>();

    @Override
    public Result call() throws Exception {
        Result result = new Result();
        try (Activity activity = getActivityReporter().start("Looking up Objects", objects.size())) {
            for (ObjectId o : objects) {
                if (Boolean.TRUE.equals(getObjectManager().db(x -> x.hasObject(o)))) {
                    result.existing.add(o);
                } else {
                    result.missing.add(o);
                }
                activity.worked(1);
            }
        }
        return result;
    }

    /**
     * Add an {@link ObjectId} to check for existence
     */
    public ObjectExistsOperation addObject(ObjectId obj) {
        objects.add(obj);
        return this;
    }

    /**
     * Add all {@link ObjectId} to check for existence
     */
    public ObjectExistsOperation addAll(Collection objs) {
        objects.addAll(objs);
        return this;
    }

    /**
     * Result object indicating what is missing and existing.
     */
    public static class Result {

        /**
         * Objects that are existing
         */
        public final Set existing = new LinkedHashSet<>();

        /**
         * Objects that are missing
         */
        public final Set missing = new LinkedHashSet<>();

        /**
         * Returns whether the given objects is existing.
         */
        public boolean isExisting(ObjectId obj) {
            return existing.contains(obj);
        }

        /**
         * Returns whether the given objects is missing.
         */
        public boolean isMissing(ObjectId obj) {
            return missing.contains(obj);
        }

    }

}