CheckerFactoryCacheKey.java

package org.infernus.idea.checkstyle.checker;

import java.util.Objects;

import com.intellij.openapi.module.Module;
import org.infernus.idea.checkstyle.model.ConfigurationLocation;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;


class CheckerFactoryCacheKey {

    private final String projectName;
    private final String moduleName;
    private final ConfigurationLocation location;

    // We can disregard Checkstyle version and third party jars as elements of the cache key, because the cache
    // must be invalidated when any of these properties change anyway.


    CheckerFactoryCacheKey(@NotNull final ConfigurationLocation location, @Nullable final Module module) {
        this.projectName = module != null ? module.getProject().getName() : "noProject";
        this.moduleName = module != null ? module.getName() : "noModule";
        this.location = location;
    }


    @Override
    public boolean equals(final Object pOther) {
        if (this == pOther) {
            return true;
        }
        if (pOther == null || getClass() != pOther.getClass()) {
            return false;
        }
        final CheckerFactoryCacheKey other = (CheckerFactoryCacheKey) pOther;
        return Objects.equals(projectName, other.projectName)
                && Objects.equals(moduleName, other.moduleName)
                && Objects.equals(location, other.location);
    }


    @Override
    public int hashCode() {
        return Objects.hash(projectName, moduleName, location);
    }
}