src/jdk.internal.vm.compiler/share/classes/org.graalvm.graphio/src/org/graalvm/graphio/GraphBlocks.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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package org.graalvm.graphio;

import java.util.Collection;

/**
 * Special support for dealing with blocks.
 *
 * @param <G> the type that represents the graph
 * @param <B> the type that represents the block
 * @param <N> the type of the node
 */
public interface GraphBlocks<G, B, N> {
    /**
     * All blocks in the graph.
     *
     * @param graph the graph
     * @return collection of blocks in the graph
     */
    Collection<? extends B> blocks(G graph);

    /**
     * Unique id of a block.
     *
     * @param block the block
     * @return the id of the block
     */
    int blockId(B block);

    Collection<? extends N> blockNodes(G info, B block);

    Collection<? extends B> blockSuccessors(B block);
}