本文整理了Java中com.eclipsesource.v8.V8.get()方法的一些代码示例，展示了V8.get()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。V8.get()方法的具体详情如下：
包路径：com.eclipsesource.v8.V8
类名称：V8
方法名：get

V8.get介绍

[英]Returns the number of active runtimes.
[中]返回活动运行时的数量。

代码示例

代码示例来源：origin: eclipsesource/J2V8

/**
 * Returns the value associated with this key. Values are Java Objects.
 * If the value is a primitive, its boxed type is returned. If the
 * value is a V8Value, it must be released.
 *
 * @param key The key whose value to return.
 *
 * @return The value associated with this key.
 */
public Object get(final String key) {
  v8.checkThread();
  checkReleased();
  checkKey(key);
  return v8.get(v8.getV8RuntimePtr(), V8_OBJECT, objectHandle, key);
}

代码示例来源：origin: eclipsesource/J2V8

@Test
public void testSetBreakpointByFunction() {
  DebugHandler handler = new DebugHandler(v8);
  v8.executeScript(script, "script", 0);
  V8Function function = (V8Function) v8.get("foo");
  handler.setBreakpoint(function);
  BreakHandler breakHandler = mock(BreakHandler.class);
  handler.addBreakHandler(breakHandler);
  function.call(null, null);
  verify(breakHandler, times(1)).onBreak(eq(DebugEvent.Break), any(ExecutionState.class), any(EventData.class), any(V8Object.class));
  handler.close();
  function.close();
}

代码示例来源：origin: eclipsesource/J2V8

/**
 * Returns the V8Array value associated with this key. If the value
 * associated with this key does not exist then UNDEFINED is returned.
 * If the value exists but is not an array then
 * V8ResultUndefined exception is thrown.
 *
 * @param key The key whose value to return.
 *
 * @return The V8Array value associated with this key.
 */
public V8Array getArray(final String key) {
  v8.checkThread();
  checkReleased();
  checkKey(key);
  Object result = v8.get(v8.getV8RuntimePtr(), V8_ARRAY, objectHandle, key);
  if ((result == null) || (result instanceof V8Array)) {
    return (V8Array) result;
  }
  throw new V8ResultUndefined();
}

代码示例来源：origin: eclipsesource/J2V8

@Test
public void getArrayBuffer() {
  v8.executeVoidScript("var buffer = new ArrayBuffer(8);");
  V8ArrayBuffer buffer = (V8ArrayBuffer) v8.get("buffer");
  assertNotNull(buffer);
  buffer.close();
}

代码示例来源：origin: eclipsesource/J2V8

/**
 * Returns the V8Object value associated with this key. If the value
 * associated with this key does not exist then UNDEFINED is returned.
 * If the value exists but is not an JS Object then
 * V8ResultUndefined exception is thrown.
 *
 * @param key The key whose value to return.
 *
 * @return The V8Object value associated with this key.
 */
public V8Object getObject(final String key) {
  v8.checkThread();
  checkReleased();
  checkKey(key);
  Object result = v8.get(v8.getV8RuntimePtr(), V8_OBJECT, objectHandle, key);
  if ((result == null) || (result instanceof V8Object)) {
    return (V8Object) result;
  }
  throw new V8ResultUndefined();
}

代码示例来源：origin: eclipsesource/J2V8

@Test(expected = Error.class)
public void testSharingObjectsShouldNotCrashVM() {
  V8 engine = null;
  V8 engine2 = null;
  try {
    engine = V8.createV8Runtime();
    engine2 = V8.createV8Runtime();
    engine.executeScript("b = { 'c': 'c' }");
    engine2.executeScript("a = { 'd': 'd' };");
    V8Object a = (V8Object) engine2.get("a");
    V8Object b = (V8Object) engine.get("b");
    b.add("data", a);
  } finally {
    engine.release(false);
    engine2.release(false);
  }
}

代码示例来源：origin: eclipsesource/J2V8

/**
 * Returns the value associated with this key. Values are Java Objects.
 * If the value is a primitive, its boxed type is returned. If the
 * value is a V8Value, it must be released.
 *
 * @param key The key whose value to return.
 *
 * @return The value associated with this key.
 */
public Object get(final String key) {
  v8.checkThread();
  checkReleased();
  checkKey(key);
  return v8.get(v8.getV8RuntimePtr(), V8_OBJECT, objectHandle, key);
}

代码示例来源：origin: eclipsesource/J2V8

@Test
public void testGetTypedArray_IntegerTypeAfterNull() {
  v8.executeVoidScript("var buf = new ArrayBuffer(100);\n"
      + "var intsArray = new Int32Array(buf);\n"
      + "intsArray[0] = null;\n");
  V8Array intsArray = (V8Array) v8.get("intsArray");
  assertEquals(V8Value.INTEGER, intsArray.getType());
  intsArray.close();
}

代码示例来源：origin: eclipsesource/J2V8

@Test
public void testGetTypedArray_IntegerType() {
  v8.executeVoidScript("var buf = new ArrayBuffer(100);\n"
      + "var intsArray = new Int32Array(buf);\n");
  V8Array intsArray = (V8Array) v8.get("intsArray");
  assertEquals(V8Value.INTEGER, intsArray.getType());
  intsArray.close();
}

代码示例来源：origin: eclipsesource/J2V8

@Test
public void testGetTypedArray_IntegerTypeAfterUndefined() {
  v8.executeVoidScript("var buf = new ArrayBuffer(100);\n"
      + "var intsArray = new Int32Array(buf);\n"
      + "intsArray[0] = undefined;\n");
  V8Array intsArray = (V8Array) v8.get("intsArray");
  assertEquals(V8Value.INTEGER, intsArray.getType());
  intsArray.close();
}

代码示例来源：origin: eclipsesource/J2V8

@Test
public void testGetTypedArray_IntegerTypeAfterFloat() {
  v8.executeVoidScript("var buf = new ArrayBuffer(100);\n"
      + "var intsArray = new Int32Array(buf);\n"
      + "intsArray[0] = 7.4;\n");
  V8Array intsArray = (V8Array) v8.get("intsArray");
  assertEquals(V8Value.INTEGER, intsArray.getType());
  intsArray.close();
}

代码示例来源：origin: eclipsesource/J2V8

@Test
public void testGetTypedArray_DoubleType() {
  v8.executeVoidScript("var buf = new ArrayBuffer(80);\n"
      + "var doublesArray = new Float64Array(buf);");
  V8Array doublesArray = (V8Array) v8.get("doublesArray");
  assertEquals(V8Value.DOUBLE, doublesArray.getType());
  doublesArray.close();
}

代码示例来源：origin: eclipsesource/J2V8

@Test
public void testSetBreakpointByFunctionReturnsID() {
  DebugHandler handler = new DebugHandler(v8);
  v8.executeScript(script, "script", 0);
  V8Function function = (V8Function) v8.get("foo");
  int breakpointID = handler.setBreakpoint(function);
  assertEquals(1, breakpointID);
  handler.close();
  function.close();
}

代码示例来源：origin: eclipsesource/J2V8

@Test(expected = Error.class)
public void testSharingObjectsAsFunctionCallParameters_ArrayFunction() {
  V8 engine = null;
  V8 engine2 = null;
  try {
    engine = V8.createV8Runtime();
    engine2 = V8.createV8Runtime();
    engine.executeScript("b = function(param){return param;}");
    engine2.executeScript("a = [[1,2,3]];");
    V8Array a = (V8Array) engine2.get("a");
    engine.executeArrayFunction("b", a);
  } finally {
    engine.release(false);
    engine2.release(false);
  }
}

代码示例来源：origin: eclipsesource/J2V8

@Test(expected = Error.class)
public void testSharingObjectsAsFunctionCallParameters_VoidFunction() {
  V8 engine = null;
  V8 engine2 = null;
  try {
    engine = V8.createV8Runtime();
    engine2 = V8.createV8Runtime();
    engine.executeScript("b = function(param1, param2){ param1 + param2;}");
    engine2.executeScript("a = [3, 4];");
    V8Array a = (V8Array) engine2.get("a");
    engine.executeVoidFunction("b", a);
  } finally {
    engine.release(false);
    engine2.release(false);
  }
}

代码示例来源：origin: eclipsesource/J2V8

@Test(expected = Error.class)
public void testSharingObjectsAsFunctionCallParameters_ObjectFunction() {
  V8 engine = null;
  V8 engine2 = null;
  try {
    engine = V8.createV8Runtime();
    engine2 = V8.createV8Runtime();
    engine.executeScript("b = function(param){return param;}");
    engine2.executeScript("a = [{name: 'joe'}];");
    V8Array a = (V8Array) engine2.get("a");
    engine.executeObjectFunction("b", a);
  } finally {
    engine.release(false);
    engine2.release(false);
  }
}

代码示例来源：origin: eclipsesource/J2V8

@Test(expected = Error.class)
public void testSharingObjectsAsFunctionCallParameters_BooleanFunction() {
  V8 engine = null;
  V8 engine2 = null;
  try {
    engine = V8.createV8Runtime();
    engine2 = V8.createV8Runtime();
    engine.executeScript("b = function(param){return param;}");
    engine2.executeScript("a = [false];");
    V8Array a = (V8Array) engine2.get("a");
    engine.executeBooleanFunction("b", a);
  } finally {
    engine.release(false);
    engine2.release(false);
  }
}

代码示例来源：origin: eclipsesource/J2V8

@Test(expected = Error.class)
public void testSharingObjectsAsFunctionCallParameters_StringFunction() {
  V8 engine = null;
  V8 engine2 = null;
  try {
    engine = V8.createV8Runtime();
    engine2 = V8.createV8Runtime();
    engine.executeScript("b = function(param){return param;}");
    engine2.executeScript("a = ['foo'];");
    V8Array a = (V8Array) engine2.get("a");
    engine.executeStringFunction("b", a);
  } finally {
    engine.release(false);
    engine2.release(false);
  }
}

代码示例来源：origin: eclipsesource/J2V8

@Test(expected = Error.class)
public void testSharingObjectsAsFunctionCallParameters_JSFunction() {
  V8 engine = null;
  V8 engine2 = null;
  try {
    engine = V8.createV8Runtime();
    engine2 = V8.createV8Runtime();
    engine.executeScript("b = function(param){ param[0] + param[1];}");
    engine2.executeScript("a = [3, 4];");
    V8Array a = (V8Array) engine2.get("a");
    engine.executeJSFunction("b", a);
  } finally {
    engine.release(false);
    engine2.release(false);
  }
}

代码示例来源：origin: eclipsesource/J2V8

@Test(expected = Error.class)
public void testSharingObjectsAsFunctionCallParameters_DoubleFunction() {
  V8 engine = null;
  V8 engine2 = null;
  try {
    engine = V8.createV8Runtime();
    engine2 = V8.createV8Runtime();
    engine.executeScript("b = function(param){return param;}");
    engine2.executeScript("a = [3.14];");
    V8Array a = (V8Array) engine2.get("a");
    engine.executeDoubleFunction("b", a);
  } finally {
    engine.release(false);
    engine2.release(false);
  }
}