javax.script.Bindings#remove ( )源码实例Demo

下面列出了javax.script.Bindings#remove ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： TencentKona-8 文件： ScopeTest.java

@Test
public void megamorphicPropertyReadTest() throws ScriptException {
    final NashornScriptEngineFactory factory = new NashornScriptEngineFactory();
    final ScriptEngine engine = factory.getScriptEngine();
    final Bindings scope = engine.getBindings(ScriptContext.ENGINE_SCOPE);
    boolean ret;

    // Why 16 is the upper limit of this loop? The default nashorn dynalink megamorphic threshold is 16.
    // See jdk.nashorn.internal.runtime.linker.Bootstrap.NASHORN_DEFAULT_UNSTABLE_RELINK_THRESHOLD
    // We do, 'eval' of the same in this loop twice. So, 16*2 = 32 times that callsite in the script
    // is exercised - much beyond the default megamorphic threshold.

    for (int i = 0; i < 16; i++) {
        scope.remove(VAR_NAME);
        ret = lookupVar(engine, VAR_NAME);
        assertFalse(ret, "Expected false in iteration " + i);
        scope.put(VAR_NAME, "foo");
        ret = lookupVar(engine, VAR_NAME);
        assertTrue(ret, "Expected true in iteration " + i);
    }
}

源代码2 项目： openjdk-jdk8u 文件： ScopeTest.java

@Test
public void megamorphicPropertyReadTest() throws ScriptException {
    final NashornScriptEngineFactory factory = new NashornScriptEngineFactory();
    final ScriptEngine engine = factory.getScriptEngine();
    final Bindings scope = engine.getBindings(ScriptContext.ENGINE_SCOPE);
    boolean ret;

    // Why 16 is the upper limit of this loop? The default nashorn dynalink megamorphic threshold is 16.
    // See jdk.nashorn.internal.runtime.linker.Bootstrap.NASHORN_DEFAULT_UNSTABLE_RELINK_THRESHOLD
    // We do, 'eval' of the same in this loop twice. So, 16*2 = 32 times that callsite in the script
    // is exercised - much beyond the default megamorphic threshold.

    for (int i = 0; i < 16; i++) {
        scope.remove(VAR_NAME);
        ret = lookupVar(engine, VAR_NAME);
        assertFalse(ret, "Expected false in iteration " + i);
        scope.put(VAR_NAME, "foo");
        ret = lookupVar(engine, VAR_NAME);
        assertTrue(ret, "Expected true in iteration " + i);
    }
}

源代码3 项目： openjdk-jdk8u-backup 文件： ScopeTest.java

@Test
public void megamorphicPropertyReadTest() throws ScriptException {
    final NashornScriptEngineFactory factory = new NashornScriptEngineFactory();
    final ScriptEngine engine = factory.getScriptEngine();
    final Bindings scope = engine.getBindings(ScriptContext.ENGINE_SCOPE);
    boolean ret;

    // Why 16 is the upper limit of this loop? The default nashorn dynalink megamorphic threshold is 16.
    // See jdk.nashorn.internal.runtime.linker.Bootstrap.NASHORN_DEFAULT_UNSTABLE_RELINK_THRESHOLD
    // We do, 'eval' of the same in this loop twice. So, 16*2 = 32 times that callsite in the script
    // is exercised - much beyond the default megamorphic threshold.

    for (int i = 0; i < 16; i++) {
        scope.remove(VAR_NAME);
        ret = lookupVar(engine, VAR_NAME);
        assertFalse(ret, "Expected false in iteration " + i);
        scope.put(VAR_NAME, "foo");
        ret = lookupVar(engine, VAR_NAME);
        assertTrue(ret, "Expected true in iteration " + i);
    }
}

源代码4 项目： openjdk-jdk9 文件： ScopeTest.java

@Test
public void megamorphicPropertyReadTest() throws ScriptException {
    final NashornScriptEngineFactory factory = new NashornScriptEngineFactory();
    final ScriptEngine engine = factory.getScriptEngine();
    final Bindings scope = engine.getBindings(ScriptContext.ENGINE_SCOPE);
    boolean ret;

    // Why 16 is the upper limit of this loop? The default nashorn dynalink megamorphic threshold is 16.
    // See jdk.nashorn.internal.runtime.linker.Bootstrap.NASHORN_DEFAULT_UNSTABLE_RELINK_THRESHOLD
    // We do, 'eval' of the same in this loop twice. So, 16*2 = 32 times that callsite in the script
    // is exercised - much beyond the default megamorphic threshold.

    for (int i = 0; i < 16; i++) {
        scope.remove(VAR_NAME);
        ret = lookupVar(engine, VAR_NAME);
        assertFalse(ret, "Expected false in iteration " + i);
        scope.put(VAR_NAME, "foo");
        ret = lookupVar(engine, VAR_NAME);
        assertTrue(ret, "Expected true in iteration " + i);
    }
}

源代码5 项目： hottub 文件： ScopeTest.java

@Test
public void megamorphicPropertyReadTest() throws ScriptException {
    final NashornScriptEngineFactory factory = new NashornScriptEngineFactory();
    final ScriptEngine engine = factory.getScriptEngine();
    final Bindings scope = engine.getBindings(ScriptContext.ENGINE_SCOPE);
    boolean ret;

    // Why 16 is the upper limit of this loop? The default nashorn dynalink megamorphic threshold is 16.
    // See jdk.nashorn.internal.runtime.linker.Bootstrap.NASHORN_DEFAULT_UNSTABLE_RELINK_THRESHOLD
    // We do, 'eval' of the same in this loop twice. So, 16*2 = 32 times that callsite in the script
    // is exercised - much beyond the default megamorphic threshold.

    for (int i = 0; i < 16; i++) {
        scope.remove(VAR_NAME);
        ret = lookupVar(engine, VAR_NAME);
        assertFalse(ret, "Expected false in iteration " + i);
        scope.put(VAR_NAME, "foo");
        ret = lookupVar(engine, VAR_NAME);
        assertTrue(ret, "Expected true in iteration " + i);
    }
}

源代码6 项目： jdk8u_nashorn 文件： ScopeTest.java

@Test
public void megamorphicPropertyReadTest() throws ScriptException {
    final NashornScriptEngineFactory factory = new NashornScriptEngineFactory();
    final ScriptEngine engine = factory.getScriptEngine();
    final Bindings scope = engine.getBindings(ScriptContext.ENGINE_SCOPE);
    boolean ret;

    // Why 16 is the upper limit of this loop? The default nashorn dynalink megamorphic threshold is 16.
    // See jdk.nashorn.internal.runtime.linker.Bootstrap.NASHORN_DEFAULT_UNSTABLE_RELINK_THRESHOLD
    // We do, 'eval' of the same in this loop twice. So, 16*2 = 32 times that callsite in the script
    // is exercised - much beyond the default megamorphic threshold.

    for (int i = 0; i < 16; i++) {
        scope.remove(VAR_NAME);
        ret = lookupVar(engine, VAR_NAME);
        assertFalse(ret, "Expected false in iteration " + i);
        scope.put(VAR_NAME, "foo");
        ret = lookupVar(engine, VAR_NAME);
        assertTrue(ret, "Expected true in iteration " + i);
    }
}

源代码7 项目： tinkerpop 文件： GremlinGroovyScriptEngineOverGraphTest.java

@Test
public void shouldAllowFunctionsUsedInClosure() throws ScriptException {
    final Graph graph = TinkerFactory.createModern();
    final GraphTraversalSource g = graph.traversal();
    final GremlinGroovyScriptEngine engine = new GremlinGroovyScriptEngine();

    final Bindings bindings = engine.createBindings();
    bindings.put("g", g);
    bindings.put("#jsr223.groovy.engine.keep.globals", "phantom");
    bindings.put("vadas", convertToVertexId(graph, "vadas"));

    // this works on its own when the function and the line that uses it is in one "script".  this is the
    // current workaround
    assertEquals(g.V(convertToVertexId(graph, "vadas")).next(), engine.eval("def isVadas(v){v.value('name')=='vadas'};g.V().filter{isVadas(it.get())}.next()", bindings));

    // let's reset this piece and make sure isVadas is not hanging around.
    engine.reset();

    // validate that isVadas throws an exception since it is not defined
    try {
        engine.eval("isVadas(g.V(vadas).next())", bindings);

        // fail the test if the above doesn't throw an exception
        fail();
    } catch (Exception ex) {
        // this is good...we want this. it means isVadas isn't hanging about
    }

    // now...define the function separately on its own in one script
    bindings.remove("#jsr223.groovy.engine.keep.globals");
    engine.eval("def isVadas(v){v.value('name')=='vadas'}", bindings);

    // make sure the function works on its own...no problem
    assertEquals(true, engine.eval("isVadas(g.V(vadas).next())", bindings));

    // make sure the function works in a closure...this generates a StackOverflowError
    assertEquals(g.V(convertToVertexId(graph, "vadas")).next(), engine.eval("g.V().filter{isVadas(it.get())}.next()", bindings));
}

源代码8 项目： logging-log4j2 文件： Routes.java

/**
 * Returns the pattern.
 * @param event The log event passed to the script (if there is a script.)
 * @param scriptStaticVariables The script's static variables.
 * @return the pattern.
 */
public String getPattern(final LogEvent event, final ConcurrentMap<Object, Object> scriptStaticVariables) {
    if (patternScript != null) {
        final ScriptManager scriptManager = configuration.getScriptManager();
        final Bindings bindings = scriptManager.createBindings(patternScript);
        bindings.put(STATIC_VARIABLES_KEY, scriptStaticVariables);
        bindings.put(LOG_EVENT_KEY, event);
        final Object object = scriptManager.execute(patternScript.getName(), bindings);
        bindings.remove(LOG_EVENT_KEY);
        return Objects.toString(object, null);
    }
    return pattern;
}

方法所在类

javax.script.Bindings