X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=yang%2Fyang-parser-impl%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fyangtools%2Fyang%2Fparser%2Fstmt%2Frfc6020%2Feffective%2FEffectiveStatementBase.java;h=2a621b2c9fd838e390142b9ad26ed7c051dc3f88;hb=07a461a735316f15f9a78455e1c1c3caf91b2a3e;hp=fd269a1f163d67f89a47795369571e65b4231bd0;hpb=3d283ec6184505ad5e7eefb173044ff383222e9f;p=yangtools.git

diff --git a/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/effective/EffectiveStatementBase.java b/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/effective/EffectiveStatementBase.java
index fd269a1f16..2a621b2c9f 100644
--- a/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/effective/EffectiveStatementBase.java
+++ b/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/effective/EffectiveStatementBase.java
@@ -1,4 +1,4 @@
-/**
+/*
  * Copyright (c) 2015 Cisco Systems, Inc. and others.  All rights reserved.
  *
  * This program and the accompanying materials are made available under the
@@ -7,154 +7,120 @@
  */
 package org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective;
 
-import java.util.Collections;
-
-import java.util.NoSuchElementException;
-import org.opendaylight.yangtools.yang.model.api.SchemaNode;
-import com.google.common.collect.Collections2;
+import com.google.common.base.Optional;
+import com.google.common.base.Predicate;
 import com.google.common.base.Predicates;
-import com.google.common.collect.Iterables;
-import java.util.LinkedList;
-import org.opendaylight.yangtools.yang.parser.stmt.reactor.StatementContextBase;
-import com.google.common.collect.FluentIterable;
-import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils;
+import com.google.common.collect.Collections2;
 import com.google.common.collect.ImmutableList;
-import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
+import com.google.common.collect.Iterables;
+import java.util.ArrayList;
 import java.util.Collection;
+import java.util.List;
 import java.util.Map;
-import org.opendaylight.yangtools.yang.model.api.meta.IdentifierNamespace;
-import org.opendaylight.yangtools.yang.model.api.meta.StatementDefinition;
-import org.opendaylight.yangtools.yang.model.api.meta.StatementSource;
+import org.opendaylight.yangtools.yang.model.api.Rfc6020Mapping;
+import org.opendaylight.yangtools.yang.model.api.SchemaNode;
 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
+import org.opendaylight.yangtools.yang.model.api.meta.IdentifierNamespace;
+import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
+import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils;
+import org.opendaylight.yangtools.yang.parser.stmt.reactor.StatementContextBase;
+import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.RecursiveObjectLeaker;
 
-abstract public class EffectiveStatementBase<A, D extends DeclaredStatement<A>>
-        implements EffectiveStatement<A, D> {
-
-    private final StmtContext<A, D, ?> stmtCtx;
-    private final ImmutableList<? extends EffectiveStatement<?, ?>> substatements;
-    private final StatementSource statementSource;
-    private final StatementDefinition statementDefinition;
-    private D declaredInstance;
-
-    private final A argument;
-
-    public EffectiveStatementBase(StmtContext<A, D, ?> ctx) {
-
-        this.stmtCtx = ctx;
-        this.statementDefinition = ctx.getPublicDefinition();
-        this.argument = ctx.getStatementArgument();
-        this.statementSource = ctx.getStatementSource();
+public abstract class EffectiveStatementBase<A, D extends DeclaredStatement<A>> implements EffectiveStatement<A, D> {
 
-        Collection<StatementContextBase<?, ?, ?>> declaredSubstatements = ctx
-                .declaredSubstatements();
-        Collection<StatementContextBase<?, ?, ?>> effectiveSubstatements = ctx
-                .effectiveSubstatements();
+    private static final Predicate<StmtContext<?, ?,?>> IS_SUPPORTED_TO_BUILD_EFFECTIVE =
+            new Predicate<StmtContext<?,?,?>>() {
+        @Override
+        public boolean apply(final StmtContext<?, ?, ?> input) {
+            return input.isSupportedToBuildEffective();
+        }
+    };
 
-        Collection<StatementContextBase<?, ?, ?>> substatementsInit = new LinkedList<>();
-        substatementsInit.addAll(declaredSubstatements);
+    private static final Predicate<StmtContext<?, ?,?>> IS_UNKNOWN_STATEMENT_CONTEXT =
+            new Predicate<StmtContext<?,?,?>>() {
+        @Override
+        public boolean apply(final StmtContext<?, ?, ?> input) {
+            return StmtContextUtils.isUnknownStatement(input);
+        }
+    };
+
+    private final List<? extends EffectiveStatement<?, ?>> substatements;
+
+    /**
+     * Constructor.
+     *
+     * @param ctx
+     *            context of statement.
+     */
+    protected EffectiveStatementBase(final StmtContext<A, D, ?> ctx) {
+        final Collection<StatementContextBase<?, ?, ?>> effectiveSubstatements = ctx.effectiveSubstatements();
+        final Collection<StatementContextBase<?, ?, ?>> substatementsInit = new ArrayList<>();
+
+        for(StatementContextBase<?, ?, ?> declaredSubstatement : ctx.declaredSubstatements()) {
+            if (declaredSubstatement.getPublicDefinition().equals(Rfc6020Mapping.USES)) {
+                substatementsInit.add(declaredSubstatement);
+                substatementsInit.addAll(declaredSubstatement.getEffectOfStatement());
+                ((StatementContextBase<?, ?, ?>) ctx).removeStatementsFromEffectiveSubstatements(declaredSubstatement
+                        .getEffectOfStatement());
+            } else {
+                substatementsInit.add(declaredSubstatement);
+            }
+        }
         substatementsInit.addAll(effectiveSubstatements);
 
-        this.substatements = FluentIterable.from(substatementsInit)
-                .transform(StmtContextUtils.buildEffective()).toList();
-    }
-
-    @Override
-    public StatementDefinition statementDefinition() {
-        return statementDefinition;
-    }
-
-    @Override
-    public A argument() {
-        return argument;
-    }
-
-    @Override
-    public StatementSource getStatementSource() {
-        return statementSource;
-    }
-
-    @Override
-    public D getDeclared() {
-        if (declaredInstance == null) {
-            declaredInstance = stmtCtx.buildDeclared();
-        }
+        // WARNING: this leaks an incompletely-initialized pbject
+        RecursiveObjectLeaker.inConstructor(this);
 
-        return declaredInstance;
+        this.substatements = ImmutableList.copyOf(Collections2.transform(Collections2.filter(substatementsInit,
+            IS_SUPPORTED_TO_BUILD_EFFECTIVE), StmtContextUtils.buildEffective()));
     }
 
-    // public <K, V, N extends IdentifierNamespace<? super K, ? extends V>> V
-    // get(
     @Override
-    public <K, V, N extends IdentifierNamespace<K, V>> V get(
-            Class<N> namespace, K identifier) {
-        return stmtCtx.getFromNamespace(namespace, identifier);
+    public final <K, V, N extends IdentifierNamespace<K, V>> V get(final Class<N> namespace, final K identifier) {
+        throw new UnsupportedOperationException("Not implemented yet.");
     }
 
     @Override
-    public <K, V, N extends IdentifierNamespace<K, V>> Map<K, V> getAll(
-            Class<N> namespace) {
-        return (Map<K, V>) stmtCtx.getAllFromNamespace(namespace);
+    public final <K, V, N extends IdentifierNamespace<K, V>> Map<K, V> getAll(final Class<N> namespace) {
+        throw new UnsupportedOperationException("Not implemented yet.");
     }
 
     @Override
-    public Collection<? extends EffectiveStatement<?, ?>> effectiveSubstatements() {
+    public final Collection<? extends EffectiveStatement<?, ?>> effectiveSubstatements() {
         return substatements;
     }
 
-    public StmtContext<A, D, ?> getStatementContext() {
-        return stmtCtx;
+    protected final <S extends EffectiveStatement<?, ?>> S firstEffective(final Class<S> type) {
+        Optional<? extends EffectiveStatement<?, ?>> possible = Iterables.tryFind(substatements,
+                Predicates.instanceOf(type));
+        return possible.isPresent() ? type.cast(possible.get()) : null;
     }
 
-    protected final <S extends EffectiveStatement<?, ?>> S firstEffective(
-            Class<S> type) {
-        S result = null;
-        try {
-            result = type.cast(Iterables.find(substatements,
-                    Predicates.instanceOf(type)));
-        } catch (NoSuchElementException e) {
-            result = null;
-        }
-        return result;
+    protected final <S extends SchemaNode> S firstSchemaNode(final Class<S> type) {
+        Optional<? extends EffectiveStatement<?, ?>> possible = Iterables.tryFind(substatements,
+                Predicates.instanceOf(type));
+        return possible.isPresent() ? type.cast(possible.get()) : null;
     }
 
     @SuppressWarnings("unchecked")
-    protected final <S extends EffectiveStatement<?, ?>> Collection<? extends S> allEffective(
-            Class<S> type) {
-        Collection<? extends S> result = null;
-
-        try {
-            result = Collection.class.cast(Collections2.filter(substatements,
-                    Predicates.instanceOf(type)));
-        } catch (NoSuchElementException e) {
-            result = Collections.emptyList();
-        }
-        return result;
+    protected final <T> Collection<T> allSubstatementsOfType(final Class<T> type) {
+        return Collection.class.cast(Collections2.filter(substatements, Predicates.instanceOf(type)));
     }
 
-    protected final <S extends SchemaNode> S firstSchemaNode(Class<S> type) {
-        S result = null;
-        try {
-            result = type.cast(Iterables.find(substatements,
-                    Predicates.instanceOf(type)));
-        } catch (NoSuchElementException e) {
-            result = null;
-        }
-        return result;
+    protected final <T> T firstSubstatementOfType(final Class<T> type) {
+        Optional<? extends EffectiveStatement<?, ?>> possible = Iterables.tryFind(substatements,
+                Predicates.instanceOf(type));
+        return possible.isPresent() ? type.cast(possible.get()) : null;
     }
 
-    @SuppressWarnings("unchecked")
-    protected final <S extends SchemaNode> Collection<? extends S> allSchemaNodes(
-            Class<S> type) {
-        Collection<? extends S> result = null;
-
-        try {
-            result = Collection.class.cast(Collections2.filter(substatements,
-                    Predicates.instanceOf(type)));
-        } catch (NoSuchElementException e) {
-            result = Collections.emptyList();
-        }
-        return result;
+    protected final <R> R firstSubstatementOfType(final Class<?> type, final Class<R> returnType) {
+        Optional<? extends EffectiveStatement<?, ?>> possible = Iterables.tryFind(substatements,
+                Predicates.and(Predicates.instanceOf(type), Predicates.instanceOf(returnType)));
+        return possible.isPresent() ? returnType.cast(possible.get()) : null;
     }
 
+    protected final EffectiveStatement<?, ?> firstEffectiveSubstatementOfType(final Class<?> type) {
+        return Iterables.tryFind(substatements, Predicates.instanceOf(type)).orNull();
+    }
 }