com.buschmais.xo.impl.proxy.repository.RepositoryProxyMethodService Maven / Gradle / Ivy

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package com.buschmais.xo.impl.proxy.repository;

import java.lang.reflect.Method;

import com.buschmais.xo.api.metadata.method.MethodMetadata;
import com.buschmais.xo.api.metadata.method.ResultOfMethodMetadata;
import com.buschmais.xo.api.metadata.reflection.AnnotatedMethod;
import com.buschmais.xo.api.metadata.type.RepositoryTypeMetadata;
import com.buschmais.xo.impl.SessionContext;
import com.buschmais.xo.impl.proxy.AbstractProxyMethodService;
import com.buschmais.xo.impl.proxy.common.DelegateMethod;
import com.buschmais.xo.impl.proxy.repository.composite.ResultOfMethod;
import com.buschmais.xo.impl.proxy.repository.object.EqualsMethod;
import com.buschmais.xo.impl.proxy.repository.object.HashCodeMethod;
import com.buschmais.xo.impl.proxy.repository.object.ToStringMethod;

/**
 * Proxy method service for repositories.
 *
 * @param 
 *     The repository type.
 * @param 
 *     The entity type.
 * @param 
 *     The relation type.
 */
public class RepositoryProxyMethodService extends AbstractProxyMethodService {

    /**
     * Constructor for datastore repository instances.
     *
     * @param datastoreRepository
     *     The datastore repository.
     * @param repositoryType
     *     The repository type.
     */
    public RepositoryProxyMethodService(T datastoreRepository, Class repositoryType) {
        for (Method method : repositoryType.getMethods()) {
            if (method.getDeclaringClass()
                .isAssignableFrom(datastoreRepository.getClass())) {
                DelegateMethod proxyMethod = new DelegateMethod<>(datastoreRepository, method);
                addProxyMethod(proxyMethod, method);
            }
        }
        addMethod(new HashCodeMethod(), Object.class, "hashCode");
        addMethod(new EqualsMethod(), Object.class, "equals", Object.class);
        addMethod(new ToStringMethod(), Object.class, "toString");
    }

    /**
     * Constructor for repositories with custom method declaration
     *
     * @param datastoreRepository
     *     The datastore repository.
     * @param repositoryMetadata
     *     The repository metadata.
     * @param sessionContext
     *     The session context.
     */
    public RepositoryProxyMethodService(T datastoreRepository, RepositoryTypeMetadata repositoryMetadata,
        SessionContext sessionContext) {
        this(datastoreRepository, repositoryMetadata.getAnnotatedType()
            .getAnnotatedElement());
        for (MethodMetadata methodMetadata : repositoryMetadata.getProperties()) {
            AnnotatedMethod typeMethod = methodMetadata.getAnnotatedMethod();
            addUnsupportedOperationMethod(methodMetadata, typeMethod);
            addImplementedByMethod(methodMetadata, typeMethod);
            if (methodMetadata instanceof ResultOfMethodMetadata) {
                ResultOfMethodMetadata resultOfMethodMetadata = (ResultOfMethodMetadata) methodMetadata;
                addProxyMethod(new ResultOfMethod<>(sessionContext, resultOfMethodMetadata), typeMethod.getAnnotatedElement());
            }
        }
    }
}