/*
 * Copyright 2019, TeamDev. All rights reserved.
 *
 * Redistribution and use in source and/or binary forms, with or without
 * modification, must retain the above copyright notice and the following
 * disclaimer.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package io.spine.server.event.model;

import com.google.errorprone.annotations.Immutable;
import io.spine.server.model.ArgumentFilter;
import io.spine.server.model.DispatchKey;
import io.spine.server.model.ParameterSpec;
import io.spine.server.type.EventEnvelope;

import java.lang.reflect.Method;

/**
 * A wrapper for an event subscriber method.
 */
@Immutable
public final class EventSubscriberMethod extends SubscriberMethod {

    /** Creates a new instance. */
    EventSubscriberMethod(Method method, ParameterSpec<EventEnvelope> parameterSpec) {
        super(method, parameterSpec);
    }

    @Override
    protected EventAcceptingMethodParams parameterSpec() {
        return (EventAcceptingMethodParams) super.parameterSpec();
    }

    @Override
    public DispatchKey key() {
        if (parameterSpec().acceptsCommand()) {
            DispatchKey dispatchKey = RejectionDispatchKey.of(messageClass(), rawMethod());
            return withFilter(dispatchKey);
        } else {
            return super.key();
        }
    }

    @Override
    public ArgumentFilter createFilter() {
        ArgumentFilter result = ArgumentFilter.createFilter(rawMethod());
        return result;
    }

    @Override
    protected void checkAttributesMatch(EventEnvelope event) throws IllegalArgumentException {
        super.checkAttributesMatch(event);
        ensureExternalMatch(event.context()
                                 .getExternal());
    }
}

/*
 * Copyright 2019, TeamDev. All rights reserved.
 *
 * Redistribution and use in source and/or binary forms, with or without
 * modification, must retain the above copyright notice and the following
 * disclaimer.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package io.spine.server.event.model;

import com.google.errorprone.annotations.Immutable;
import io.spine.server.model.ArgumentFilter;
import io.spine.server.model.DispatchKey;
import io.spine.server.model.ParameterSpec;
import io.spine.server.type.EventEnvelope;

import java.lang.reflect.Method;

/**
 * A wrapper for an event subscriber method.
 */
@Immutable
public final class EventSubscriberMethod extends SubscriberMethod {

    /** Creates a new instance. */
    EventSubscriberMethod(Method method, ParameterSpec<EventEnvelope> parameterSpec) {
        super(method, parameterSpec);
    }

    @Override
    protected EventAcceptingMethodParams parameterSpec() {
        return (EventAcceptingMethodParams) super.parameterSpec();
    }

    @Override
    public DispatchKey key() {
        if (parameterSpec().acceptsCommand()) {
            DispatchKey dispatchKey = RejectionDispatchKey.of(messageClass(), rawMethod());
            return withFilter(dispatchKey);
        } else {
            return super.key();
        }
    }

    @Override
    public ArgumentFilter createFilter() {
        ArgumentFilter result = ArgumentFilter.createFilter(rawMethod());
        return result;
    }

    @Override
    protected void checkAttributesMatch(EventEnvelope event) throws IllegalArgumentException {
        super.checkAttributesMatch(event);
        ensureExternalMatch(event.isExternal());
    }
}

Use `isExternal` shortcut method